:::RHMT::: Real Home Made Turbo
General Category => Hybrid/Tech => Topic started by: Jorsher on March 22, 2010, 10:41:58 PM
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So, got a new block/head on the way, will be taking the entire rotating assembly and slapping it into the new block after I get it bored/honed/surfaced.
Never installed pistons and paid the shop to do it the first time, but after somewhat completing a swap I feel a bit more confident that I could do it... Just need some opinions on what a good ring compressor consists of, and any other tips on installing them.
Would any of you reuse bearings/rings that ran in an engine for maybe 20 minutes total, that had oil/coolant mix?
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ive used zipties as well....
work great
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Shit, my mistake, I meant RING compressors :-X
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The cheapest one will get the job done just fine.
Shop around, nog.
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The bearings are basically new. If everything clearnce wise is cool rock them. Ignore any advice from someone who wont spend 2 dollars on food but thinks bearings with less than an hour of run time are trash.
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The bearings are basically new. If everything clearnce wise is cool rock them. Ignore any advice from someone who wont spend 2 dollars on food but thinks bearings with less than an hour of run time are trash.
Agreed. You can pretty much ignore any advice Hot Pocket Mike gives when it comes to cars.
:P
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I've re-used bearings in probably 5 rebuilds. If they have little to no miles on them, and don't have any scarring, they will be fine.
As for ring compressors, I rock a cheap one I bought at Napa. Not the easiest to use, but works fine.
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Not a shitton of oil in the coolant, mostly the oil was pumped into the coolant lines and only a little coolant seeped into the oil (last check).
I'll give the rings and bearings a go, as long as I don't see any noticeable damage.
I AM broke. Had to borrow money for the block/head :-\
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So your logic here is if you had a blown headgasket your bearings are trashed. Ok dr.hot pocket.
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On a side note, what can I do with an old A6 head, fucked Y8 crank, LS crank, cracked LS block that I have laying around? Does anywhere pay money to scrap them?
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Ls cranks are actually worth money. atleast 50 bucks.
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Just use the rent-a-tool crap at auto zone. No point in buying a ring compressor you would just loose before you ever needed again
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There's nothing wrong with re-using bearings as long as they are ok and give you correct clearance. As for the rings, I'd just buy new, they are cheap anyway.
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I have used worm gear clamps to compress ring, they work in a pinch.
Just do not over compress them. ;D
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I have used worm gear clamps to compress ring, they work in a pinch.
Just do not over compress them. ;D
holy fuck. gangsta nigga.
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I have used worm gear clamps to compress ring, they work in a pinch.
Just do not over compress them. ;D
holy fuck. gangsta nigga.
Hey it worked I had to lube the clamp a bit to get it piston and rings in but it worked.
Sidenote: use a clamp wise enough to cover all the rings or you will be pissed. :?:
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(https://realhomemadeturbo.com/forum/proxy.php?request=http%3A%2F%2Fi231.photobucket.com%2Falbums%2Fee155%2Fpatsmx5%2F100_1148.jpg&hash=bb604c39481b1781f07c6b1eb561c948332a3209)
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Holy shit, Pat.
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Ive always used these,
(https://realhomemadeturbo.com/forum/proxy.php?request=http%3A%2F%2Fwww.comparestoreprices.co.uk%2Fimages%2Fsy%2Fsykes-pickavant-piston-ring-compressor-large.jpg&hash=799d47efbc8eb1529addc4a5b284738e1ca5b314)
Or I use a wooden clothespin.
(https://realhomemadeturbo.com/forum/proxy.php?request=http%3A%2F%2Fwww.firehow.com%2Fimages%2Fstories%2Fusers%2F79%2Fclothes-pin-clamps.bmp&hash=2ee09bf1fbe0634233af69b95f73f259785f8bdb)
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oil filter wrench
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Yeah I used that before on bigger bore engines, when I work on 75mm borte engines I kept finding too large or too small oil filter wrenches.
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best bang for buck ring compressor???
used thrust washers.
do it.
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(https://realhomemadeturbo.com/forum/proxy.php?request=http%3A%2F%2Fi231.photobucket.com%2Falbums%2Fee155%2Fpatsmx5%2F100_1148.jpg&hash=bb604c39481b1781f07c6b1eb561c948332a3209)
now thats rhmt's finest
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I know my dad used a food can to install pistons. You just need to find the good size :mexi:
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Just a heads up jorsher:
Make sure you clock the rings right
Set the ring cap
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The one ratcityrex posted is less then 10bux at sears.
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Cool, this thread is full of ingenuity.
I'm just going to reuse my rings. I think with only a mile of load and the rest of the 20ish minutes of running it was idling, should be fine. Gap should still be good then.
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Cool, this thread is full of ingenuity.
I'm just going to reuse my rings. I think with only a mile of load and the rest of the 20ish minutes of running it was idling, should be fine. Gap should still be good then.
I reused the rings on my motor, and I believe that's what fucked it up (see my thread titled "shit"). I don't know why they failed, but from now on I'll just change them.
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Cool, this thread is full of ingenuity.
I'm just going to reuse my rings. I think with only a mile of load and the rest of the 20ish minutes of running it was idling, should be fine. Gap should still be good then.
I reused the rings on my motor, and I believe that's what fucked it up (see my thread titled "shit"). I don't know why they failed, but from now on I'll just change them.
Shit. I'm assuming the minor variations between the cylinders may be enough to not be able to reuse them... but how many miles did you have on them when you tried to reuse them? Not trying to cheap out, I'm just broke and trying to cut corners where possible...
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Cool, this thread is full of ingenuity.
I'm just going to reuse my rings. I think with only a mile of load and the rest of the 20ish minutes of running it was idling, should be fine. Gap should still be good then.
I reused the rings on my motor, and I believe that's what fucked it up (see my thread titled "shit"). I don't know why they failed, but from now on I'll just change them.
Shit. I'm assuming the minor variations between the cylinders may be enough to not be able to reuse them... but how many miles did you have on them when you tried to reuse them? Not trying to cheap out, I'm just broke and trying to cut corners where possible...
The rings had 80k on the, it was a stock motor that had good compression/burned no oil. Still has good compression, just burns REALLY bad. By the time I add up gaskets, sealant, coolant, oil, my time, etc, I saved like 5% of the cost of the motor by not changing the rings. I should have done it, and now I get to start over for trying to save 5%.
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dont re-use rings.
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That bluish compressor is what I use, you can borrow them from autozone for $10 or so. THey're a pain vs the baller aluminum donut/ring style, but the fixed aluminum style can only do 1 bore size per donut. Just be VERY careful, as it's very easy to break rings. Do not hesitate to re-compress them a few times if they don't slip right in.
So, got a new block/head on the way, will be taking the entire rotating assembly and slapping it into the new block after I get it bored/honed/surfaced.
Never installed pistons and paid the shop to do it the first time, but after somewhat completing a swap I feel a bit more confident that I could do it... Just need some opinions on what a good ring compressor consists of, and any other tips on installing them.
Would any of you reuse bearings/rings that ran in an engine for maybe 20 minutes total, that had oil/coolant mix?
Bearings may be iffy since they have a special coating for break-in on them. If the crank was micropolished and you were running loose clearances, they're probably fine.
I doubt your machine shop gave the block a plateau hone (medium grit for removal, then a quick fine grit to knock down ridges). The rings are probably still unseated if they didn't, therefore almost fresh, same for the bearings. If it was a low-power build I'd reuse it all. Otherwise I'd probably pop for some new shit.
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Yeah, it's a micropolished crank with generic ACL bearings so I think they'll be fine...
The car was only under load for a few minutes, and other than that was just idling. I'm not sure the rings would have seated that quickly but then again I don't feel like finding out afterwards and having to tear it apart a 3rd time...so may just buy some.
I'm about to go take the block apart now. Would the rings show any wear if seated?
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How do you guys cut the rings for gapping if they are off. Ive seen people useing files and seen some fancy baller cutter thing. But thats it.
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From what I've READ (AKA I have never done it), you can file them off, just make sure they meet squarely when pushed together...
Like ] [ instead of / \
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From what I've READ (AKA I have never done it), you can file them off, just make sure they meet squarely when pushed together...
Like ] [ instead of / \
That is what I did. ;D