Harry's Renny Engine Shenanigans
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Harry's Renny Engine Shenanigans
Following on from my disassembly of a few engines here & here, I thought I might aswell make an actual thread for all my engine disassembly-ness, and hey - maybe in future i'll make one for when I decide to do the reverse and actually assemble one for a change
I know i've got a few that i'll be stripping in the near future, so thought I might as well start making a log/thread of the condition and failures of said engines and plonk them all here!
Currently got one on the engine stand now after wrestling to get it out of the Mazda 2, got to try out my new flywheel locking tool, works lovely in comparison to my old "lob a bit of unistrut across it and sacrifice a few bolts that can get bent" method I had used prior... Got the flywheel nut off in an instant with my new Milwaukee impact to beef up my baby 1/2 impact I already had (New toys are always good! ) but the front bolt is proving very stubborn - this engine hasn't been apart before. Will leave it that side up and soak it in plusgas, charge up the batteries to 100% full and see where that gets me!
I know i've got a few that i'll be stripping in the near future, so thought I might as well start making a log/thread of the condition and failures of said engines and plonk them all here!
Currently got one on the engine stand now after wrestling to get it out of the Mazda 2, got to try out my new flywheel locking tool, works lovely in comparison to my old "lob a bit of unistrut across it and sacrifice a few bolts that can get bent" method I had used prior... Got the flywheel nut off in an instant with my new Milwaukee impact to beef up my baby 1/2 impact I already had (New toys are always good! ) but the front bolt is proving very stubborn - this engine hasn't been apart before. Will leave it that side up and soak it in plusgas, charge up the batteries to 100% full and see where that gets me!
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Re: Harry's Renny Engine Shenanigans
Drip tray!!!!!
Let's not destroy another patch of your mums driveway
Let's not destroy another patch of your mums driveway
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Re: Harry's Renny Engine Shenanigans
Drip tray is definitely needed now hah! It's not destruction, just merely a semi-permanent tint on some of the paving..... From oil whoooooops!
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- Milos_Balunovic (Mon Oct 03, 2022 8:33 am)
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Re: Harry's Renny Engine Shenanigans
PlusGas won’t do anything as it’s not rust but probably a film of sealant on the back of the nut which creates a large joint area to break free. I have bounced on a 3/4 drive bar with a 4ft scaffold pole before to break the nut free. Fingers crossed for your Milwaukee
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Re: Harry's Renny Engine Shenanigans
Ahhhh, ok - good point on that front. Will see how the impact does when I give it a go another time, and worst comes to worst i'll have to put all my might on a breaker bar and see if that works like it did for you!
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Re: Harry's Renny Engine Shenanigans
Use a heat gun to heat the nut up
then have a go
the increased temp will soften the sealent and expand the joint, both reducing the clamp load
then have a go
the increased temp will soften the sealent and expand the joint, both reducing the clamp load
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Re: Harry's Renny Engine Shenanigans
That sounds like an excuse to use a blow torch.....
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Re: Harry's Renny Engine Shenanigans
If you do use a long bar then jam a wheel of the engine stand under a bench or something as it will tip with the force required.
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- HarSc (Sun Oct 02, 2022 8:48 pm)
Rotary History;
Sep 2005-Aug 2006 EO55 XOL VR 231 New
Oct 2014-Mar 2019 OE06 EWJ VR 231
Jan 2019-Jun 2020 T200 CAD Orange SC 231
Feb 2020-May 2023 RR54 AJR VR 231 Supercharged & Modified for Track
Oct 2020-Mar 2021 YA56 EUE Copper Red Nemesis
Jun 2022-Apr 2023 TN07 JHD KURO Resurrected
Jun 2023-Jan2024 OV09 BFF Sparkling Black
Sep 2005-Aug 2006 EO55 XOL VR 231 New
Oct 2014-Mar 2019 OE06 EWJ VR 231
Jan 2019-Jun 2020 T200 CAD Orange SC 231
Feb 2020-May 2023 RR54 AJR VR 231 Supercharged & Modified for Track
Oct 2020-Mar 2021 YA56 EUE Copper Red Nemesis
Jun 2022-Apr 2023 TN07 JHD KURO Resurrected
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Re: Harry's Renny Engine Shenanigans
Shall try that. Always used to wonder why they sit there roasting the ever loving marshmallows out of some poor bolt in videos online - makes sense now I guess if they're all this tight shall dig the heat gun out too, can't hurt to try it cheers peeps!
Right-o Chris! I shall be sure to sufficiently chock them so I don't have a renesis landing on my toes!
Right-o Chris! I shall be sure to sufficiently chock them so I don't have a renesis landing on my toes!
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Re: Harry's Renny Engine Shenanigans
I mean, if you wanna set fire to some stuff and play with fire, feel free
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Harry's Renny Engine Shenanigans
Harry got toys to play with
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- Milos_Balunovic (Mon Oct 03, 2022 8:34 am)
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Re: Harry's Renny Engine Shenanigans
impact will struggle as the sealing compound gives the elasticity needed to stop the impact delivering the sufficient torque. long bar is the only way to do it (without damaging anything) as a strong enough impact could probably damage the bolt.ChrisHolmes wrote: ↑Sun Oct 02, 2022 8:19 pmPlusGas won’t do anything as it’s not rust but probably a film of sealant on the back of the nut which creates a large joint area to break free. I have bounced on a 3/4 drive bar with a 4ft scaffold pole before to break the nut free. Fingers crossed for your Milwaukee
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- ChrisHolmes (Mon Oct 03, 2022 5:17 pm)
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Re: Harry's Renny Engine Shenanigans
either you have tiny hands or that gun is mahousiveHarSc wrote: ↑Sun Oct 02, 2022 7:38 pmFollowing on from my disassembly of a few engines here & here, I thought I might aswell make an actual thread for all my engine disassembly-ness, and hey - maybe in future i'll make one for when I decide to do the reverse and actually assemble one for a change
I know i've got a few that i'll be stripping in the near future, so thought I might as well start making a log/thread of the condition and failures of said engines and plonk them all here!
Currently got one on the engine stand now after wrestling to get it out of the Mazda 2, got to try out my new flywheel locking tool, works lovely in comparison to my old "lob a bit of unistrut across it and sacrifice a few bolts that can get bent" method I had used prior... Got the flywheel nut off in an instant with my new Milwaukee impact to beef up my baby 1/2 impact I already had (New toys are always good! ) but the front bolt is proving very stubborn - this engine hasn't been apart before. Will leave it that side up and soak it in plusgas, charge up the batteries to 100% full and see where that gets me!
PXL_20220913_163913629.jpg
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PXL_20221002_141303579.jpg
PXL_20221002_141308640.jpg
Thanks, Stu
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Re: Harry's Renny Engine Shenanigans
Do not get the nut cherry red as this will render it scrap, due to softening it plus there's a chance of damaging the thermal pellet that lives behind it ( of course you may be planning to delate that feature anyway)
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Re: Harry's Renny Engine Shenanigans
So! Back at it today - managed to get the front nut undone, using my beefiest 1/2 inch bar and a length of unistrut round it. I mean, it's not exactly scaffold bar but it's close! got a 3/4 big bar on the way as it was looking a bit flexible with all the oomph on it, and if I'm doing more engines, probably best to get a beefier bar & socket.
This one is the 231 S1 engine removed from Phil's Kuro preservation project here, which had apex seal failure on the rear rotor. Turns out his keen eye spotting that there was literally no seal left there was entirely correct - it had shattered and happily bounced its way around the housing, shards everywhere and royally trashed the place rear iron, centre iron, a housing and rotor entirely toast. front rotor was ok, housing doesn't look in the best condition in terms of scoring and slight chatter, plus the chrome chipping at the edge just above the spark plugs. Photo dump below
This one is the 231 S1 engine removed from Phil's Kuro preservation project here, which had apex seal failure on the rear rotor. Turns out his keen eye spotting that there was literally no seal left there was entirely correct - it had shattered and happily bounced its way around the housing, shards everywhere and royally trashed the place rear iron, centre iron, a housing and rotor entirely toast. front rotor was ok, housing doesn't look in the best condition in terms of scoring and slight chatter, plus the chrome chipping at the edge just above the spark plugs. Photo dump below
Last edited by HarSc on Sat Oct 15, 2022 3:30 pm, edited 1 time in total.
Reason: Got my front and rears the wrong way round!
Reason: Got my front and rears the wrong way round!
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Re: Harry's Renny Engine Shenanigans
Ooh yeah it really done a number on that motor
Look how they massacred my boy...
Look how they massacred my boy...
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Re: Harry's Renny Engine Shenanigans
Ok, wrong way round. was thinking back to front - rear rotor had the damage, front was ok. Sends my brain funny cos you disassemble rear to front
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Re: Harry's Renny Engine Shenanigans
Oh dear, that’s just a set of doorstops or clocks unfortunately.
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- Milos_Balunovic (Sun Oct 16, 2022 9:37 am)
Rotary History;
Sep 2005-Aug 2006 EO55 XOL VR 231 New
Oct 2014-Mar 2019 OE06 EWJ VR 231
Jan 2019-Jun 2020 T200 CAD Orange SC 231
Feb 2020-May 2023 RR54 AJR VR 231 Supercharged & Modified for Track
Oct 2020-Mar 2021 YA56 EUE Copper Red Nemesis
Jun 2022-Apr 2023 TN07 JHD KURO Resurrected
Jun 2023-Jan2024 OV09 BFF Sparkling Black
Sep 2005-Aug 2006 EO55 XOL VR 231 New
Oct 2014-Mar 2019 OE06 EWJ VR 231
Jan 2019-Jun 2020 T200 CAD Orange SC 231
Feb 2020-May 2023 RR54 AJR VR 231 Supercharged & Modified for Track
Oct 2020-Mar 2021 YA56 EUE Copper Red Nemesis
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Re: Harry's Renny Engine Shenanigans
Oh hey! I forgot I made this thread
Well, I've done a few engine teardowns since the last one from Phil's Kuro, but that'll take some digging to go back through and find
BUT! Today I bought and stripped a 44k mile 192 block that was removed, running rough and had to limp it home, owner ended up 231 swapping the car and this just sat in his garage for a while. New SGS stand and engine as an almost bare block for £40 and £80 respectively from the fella, so thought it was worth a punt. Also gets me a second engine stand "for reasons". Don't need two - but more the merrier bought another rotary engine stand adapter to pair with it - awesome little things! They're a must as it's so much nicer using these plates than the stock bolt pass-through things the piston engines/gearboxes use?
Anyways - on to the engine...
Getting better at whizzing these front bolts off, wedge it against the wall with my 3/4 breaker bar on it with a 3m length of unistrut, and a helper to push the engine stand into the wall so it doesn't fall over impact still doesn't touch em, either on rebuilt ones or stock ones, the sealant just takes the bite out of the hammer and doesn't break the seal
Cracked the rear iron off, to see all manner of utter carnage and destruction
What a mess!
Two apex seals decided to exit stage left, with the third still hanging on in there but cracked in all number of places, all side/corner seals still intact but not like that's a redeeming factor at this point inner coolant seal had a split at the top of the housing on the rear face, and then just irons/rotor/housing are all toast. Complete scrap.
Luckily, the same is not to be said of the front rotor. Nice and clean, lovely stuff. All seals intact, no visible wear or issues with the rotor or housing, minimal edge wear and the most minor of chatter, but no chips, grooves or anything of the sort! seems like it's my 3rd good housing I've got only shame is there's a deep circular groove on the front iron, which I can only assume is from an oil control ring? you can really catch your nail on it - I assume it can't really be flattened and re-done? (see second to last pic)
Either way - I've got a rotor, housing and an e-shaft out of the ordeal, plus the nice shiny SGS engine stand so I'm a happy boy
Well, I've done a few engine teardowns since the last one from Phil's Kuro, but that'll take some digging to go back through and find
BUT! Today I bought and stripped a 44k mile 192 block that was removed, running rough and had to limp it home, owner ended up 231 swapping the car and this just sat in his garage for a while. New SGS stand and engine as an almost bare block for £40 and £80 respectively from the fella, so thought it was worth a punt. Also gets me a second engine stand "for reasons". Don't need two - but more the merrier bought another rotary engine stand adapter to pair with it - awesome little things! They're a must as it's so much nicer using these plates than the stock bolt pass-through things the piston engines/gearboxes use?
Anyways - on to the engine...
Getting better at whizzing these front bolts off, wedge it against the wall with my 3/4 breaker bar on it with a 3m length of unistrut, and a helper to push the engine stand into the wall so it doesn't fall over impact still doesn't touch em, either on rebuilt ones or stock ones, the sealant just takes the bite out of the hammer and doesn't break the seal
Cracked the rear iron off, to see all manner of utter carnage and destruction
What a mess!
Two apex seals decided to exit stage left, with the third still hanging on in there but cracked in all number of places, all side/corner seals still intact but not like that's a redeeming factor at this point inner coolant seal had a split at the top of the housing on the rear face, and then just irons/rotor/housing are all toast. Complete scrap.
Luckily, the same is not to be said of the front rotor. Nice and clean, lovely stuff. All seals intact, no visible wear or issues with the rotor or housing, minimal edge wear and the most minor of chatter, but no chips, grooves or anything of the sort! seems like it's my 3rd good housing I've got only shame is there's a deep circular groove on the front iron, which I can only assume is from an oil control ring? you can really catch your nail on it - I assume it can't really be flattened and re-done? (see second to last pic)
Either way - I've got a rotor, housing and an e-shaft out of the ordeal, plus the nice shiny SGS engine stand so I'm a happy boy
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Re: Harry's Renny Engine Shenanigans
With your level of ingenuity and skills Harry you will be unstoppable in your rotary adventures in the future.
Rotary History;
Sep 2005-Aug 2006 EO55 XOL VR 231 New
Oct 2014-Mar 2019 OE06 EWJ VR 231
Jan 2019-Jun 2020 T200 CAD Orange SC 231
Feb 2020-May 2023 RR54 AJR VR 231 Supercharged & Modified for Track
Oct 2020-Mar 2021 YA56 EUE Copper Red Nemesis
Jun 2022-Apr 2023 TN07 JHD KURO Resurrected
Jun 2023-Jan2024 OV09 BFF Sparkling Black
Sep 2005-Aug 2006 EO55 XOL VR 231 New
Oct 2014-Mar 2019 OE06 EWJ VR 231
Jan 2019-Jun 2020 T200 CAD Orange SC 231
Feb 2020-May 2023 RR54 AJR VR 231 Supercharged & Modified for Track
Oct 2020-Mar 2021 YA56 EUE Copper Red Nemesis
Jun 2022-Apr 2023 TN07 JHD KURO Resurrected
Jun 2023-Jan2024 OV09 BFF Sparkling Black
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Re: Harry's Renny Engine Shenanigans
Picked up my next victim engine for pulling apart now it's always good to be safe, PPE is essential of course....
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Re: Harry's Renny Engine Shenanigans
Engine disassembled! While this one had no broken seals, it was a running engine before the car was scrapped and it removed. I guess they didn't know about the terrific bearing damage they had was not expecting the disco ball in the sump and the oil pickup when I puilled it off
Front stationary gear bearing is the culprit, all others looked pretty fine! Gouges on the spacer, e-shaft near both ends and a few grazes on the tips of the front rotor, rear rotor seemed to get away with it a bit more. Although the housings and irons don't really show signs of it wearing on the edges where you'd expect the rotor to hit... I guess you can only know when you properly measure the faces/step wear. Can't seem to catch my fingernail on any of it, but that's not completely foolproof still! Rear housing looks better than the front, hopefully both useable, and irons not too bad as far as I can see.
Definitely not what I was expecting out of this engine when I saw the sprinkles of copper all over
Front stationary gear bearing is the culprit, all others looked pretty fine! Gouges on the spacer, e-shaft near both ends and a few grazes on the tips of the front rotor, rear rotor seemed to get away with it a bit more. Although the housings and irons don't really show signs of it wearing on the edges where you'd expect the rotor to hit... I guess you can only know when you properly measure the faces/step wear. Can't seem to catch my fingernail on any of it, but that's not completely foolproof still! Rear housing looks better than the front, hopefully both useable, and irons not too bad as far as I can see.
Definitely not what I was expecting out of this engine when I saw the sprinkles of copper all over
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Re: Harry's Renny Engine Shenanigans
A bit of an oil supply issue to those stationary bearings. Its lucky the rotor bearings haven't got maramalised too, it must have locked up pretty quickly.
The housings and rotors could well be salvageable, time for your measuring stick to come out.
You may even get away with the irons if you are lucky
The housings and rotors could well be salvageable, time for your measuring stick to come out.
You may even get away with the irons if you are lucky
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- HarSc (Mon Apr 15, 2024 8:29 pm)
Rotary History;
Sep 2005-Aug 2006 EO55 XOL VR 231 New
Oct 2014-Mar 2019 OE06 EWJ VR 231
Jan 2019-Jun 2020 T200 CAD Orange SC 231
Feb 2020-May 2023 RR54 AJR VR 231 Supercharged & Modified for Track
Oct 2020-Mar 2021 YA56 EUE Copper Red Nemesis
Jun 2022-Apr 2023 TN07 JHD KURO Resurrected
Jun 2023-Jan2024 OV09 BFF Sparkling Black
Sep 2005-Aug 2006 EO55 XOL VR 231 New
Oct 2014-Mar 2019 OE06 EWJ VR 231
Jan 2019-Jun 2020 T200 CAD Orange SC 231
Feb 2020-May 2023 RR54 AJR VR 231 Supercharged & Modified for Track
Oct 2020-Mar 2021 YA56 EUE Copper Red Nemesis
Jun 2022-Apr 2023 TN07 JHD KURO Resurrected
Jun 2023-Jan2024 OV09 BFF Sparkling Black
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Re: Harry's Renny Engine Shenanigans
Next up on the chopping block! Managed to snag myself a used, running but unknown compression R3 engine for £250 complete and who am I to say no, it's worth a punt on it!
Stripped down, cracked open, and woooo! Plenty of good looking bits
Rear housing is the better of the two, front housing having some very faint vertical score marks that I can't feel with my nail, but notice with my fingertip. No chrome flake on either, so hopefully a hone/resurface can do the world of good to this pair and be used again!
Irons all look good to my eye, admittedly not measured them but shall keep around in my spares either way. Can't have too many R3 bits if you never want to sell the car
e-shaft and rotors are all fine too, so a good engine to have split open! definitely be able to get the white R3 sorted if it were to go pop now
Stripped down, cracked open, and woooo! Plenty of good looking bits
Rear housing is the better of the two, front housing having some very faint vertical score marks that I can't feel with my nail, but notice with my fingertip. No chrome flake on either, so hopefully a hone/resurface can do the world of good to this pair and be used again!
Irons all look good to my eye, admittedly not measured them but shall keep around in my spares either way. Can't have too many R3 bits if you never want to sell the car
e-shaft and rotors are all fine too, so a good engine to have split open! definitely be able to get the white R3 sorted if it were to go pop now