FIWhat kind of bearigns were you using When you spun a bearing??????
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ComputerJLT »</TD></TR><TR><TD CLASS="quote">D. all above</TD></TR></TABLE>
holy ****
holy ****
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wantboost »</TD></TR><TR><TD CLASS="quote">
holy ****
</TD></TR></TABLE>
yup; i spun a set of honda bearings; then acl and a set of no-name bearings.
I dont believe in the "OMG BRAND X BEARINGS SUX DIX BUY BLAH BLAH FOR 8000X MORE!"
You **** up something and a bearing will spin; period
holy ****
</TD></TR></TABLE>yup; i spun a set of honda bearings; then acl and a set of no-name bearings.
I dont believe in the "OMG BRAND X BEARINGS SUX DIX BUY BLAH BLAH FOR 8000X MORE!"
You **** up something and a bearing will spin; period
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wantboost »</TD></TR><TR><TD CLASS="quote">what are you running now?</TD></TR></TABLE>
acl on my built d16z6
gunna use cheap oe's on my friends d16y8; or probably clevette. this isnt a performance motor
acl on my built d16z6
gunna use cheap oe's on my friends d16y8; or probably clevette. this isnt a performance motor
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by project dc2 »</TD></TR><TR><TD CLASS="quote">why do you keep on spinnin bearings ? </TD></TR></TABLE>
beginners (un)luck
beginners (un)luck
1st set - random no name bearings - spun because of improper clearances (too loose) - motor didnt last 40 miles
2nd set - ACL's - oil pressure dipped long enough for metal-metal and spun
3rd set - not mine - oe - who ******* knows we can't figgure it out; oil level was good; pump was good no leaks etc etc
2nd set - ACL's - oil pressure dipped long enough for metal-metal and spun
3rd set - not mine - oe - who ******* knows we can't figgure it out; oil level was good; pump was good no leaks etc etc
i spun CLEVITE bearings... the ones sold for Honda engines
i have spun them before and are the ones using right now
IMO is all in the clearances
i have spun them before and are the ones using right now
IMO is all in the clearances
There are a few common causes for spun bearings.The two biggest are not enough clearance and the big end of the rod not strong enough.Rod bearings are thicker in the middle and become thinner towards the end at the parting line of the rods.As an engine runs at speed the big end will egg shape.When this happens to an extreme the rod will pinch at the parting line.Once you loose the oil film its all over.You way not break stock rods but if you spin bearings alot with good clearances you're probably exceeding the capacity of the big end to stay round.
Race style bearings will have less taper to them as they are intended to run in a stronger rod.Sometimes running race bearings in a stock rod will spin more often than a stock bearing.
Glenn
Race style bearings will have less taper to them as they are intended to run in a stronger rod.Sometimes running race bearings in a stock rod will spin more often than a stock bearing.
Glenn
Also, if you do nothing but replace the bearing without fixing the rod or crank, it will just spin on you again.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 0vrbst_t66 »</TD></TR><TR><TD CLASS="quote">having out of round rod and crank jurnals.would'nt that be the why he keeps spinning them ?</TD></TR></TABLE>
beats me; the motor had ~ 60k miles on it; owned by an idiot ricer who put 80% highway miles on it. oil level was good when it spun; oil pump seems to be doing its job its wierd.
he's getting his crank turned and 4 of my good rods/pistons and we're rebuilding his motor
beats me; the motor had ~ 60k miles on it; owned by an idiot ricer who put 80% highway miles on it. oil level was good when it spun; oil pump seems to be doing its job its wierd.
he's getting his crank turned and 4 of my good rods/pistons and we're rebuilding his motor
spun oem ones.....got different crank grounded down 10 over spun the acl ones also.... something about curves and gettign on it makes my car spin bearings...did it twice on a curve....
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MrBui »</TD></TR><TR><TD CLASS="quote">spun oem ones.....got different crank grounded down 10 over spun the acl ones also.... something about curves and gettign on it makes my car spin bearings...did it twice on a curve.... </TD></TR></TABLE>
Oil moves out from under the pickup and pressure drops?
Try a moroso pan or something
Oil moves out from under the pickup and pressure drops?
Try a moroso pan or something
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by m R g S r »</TD></TR><TR><TD CLASS="quote">
Oil moves out from under the pickup and pressure drops?
Try a moroso pan or something</TD></TR></TABLE>
you would hope anybody with a performance car would already know this...jebus, people need to research more before they start building their f-in motors.
Oil moves out from under the pickup and pressure drops?
Try a moroso pan or something</TD></TR></TABLE>
you would hope anybody with a performance car would already know this...jebus, people need to research more before they start building their f-in motors.
I wasn't aware that honda engines had oil starvation problems under cornering etc.
For spinning bearings, most often I've seen them they were spun due to detonation.
-Michael
For spinning bearings, most often I've seen them they were spun due to detonation.
-Michael
I've always heard that if you spin a bearing on a crank once, its best never to reuse that crank as it will keep spinning bearings on that same journal.
The theory has checked out numerous times in the past as well. You do anything you wanna do to fix it, and they will still continue to spin bearings.
The theory has checked out numerous times in the past as well. You do anything you wanna do to fix it, and they will still continue to spin bearings.
doesnt oil quality/ condition have somehtind to do with it too?
and doesnt incorrect igntion timing/ higher cylinder pressures simial to head lifting problems also smash the bearings out of round, etc.
-Toby
and doesnt incorrect igntion timing/ higher cylinder pressures simial to head lifting problems also smash the bearings out of round, etc.
-Toby
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