mahle pistons...h22
08-26-2008, 12:45 AM
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mahle pistons...h22
ive read and read what i could...in 07, there was a topic sayin issues were resolved...but a year later and im still looking for more on these...im new to h22 but searching and searching before jumping in...
the mahles claim no sleeving required...people say as long as the p2w clearance is in check...no issues...any new updates? id like to do mahles rather than doing resleeving if it only requires a hone and proper clearance, whats needed for a turbo build in the first place...
any info would be great...gaining all i can for this h22 swap
the mahles claim no sleeving required...people say as long as the p2w clearance is in check...no issues...any new updates? id like to do mahles rather than doing resleeving if it only requires a hone and proper clearance, whats needed for a turbo build in the first place...
any info would be great...gaining all i can for this h22 swap
08-26-2008, 11:27 AM
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found it quite helpful...im going to go with them...cause if your not spec'n out all the proper gaps and clearances...shouldnt even be building a turbo motor...ill take my chances with these pistons...ive heard more good then bad...and all bad are people sayin...trust me, there bad...no photos or proof that ive seen yet...thanx tho
08-26-2008, 12:12 PM
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Re: (92_boosted)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 92_boosted »</TD></TR><TR><TD CLASS="quote">found it quite helpful...im going to go with them...cause if your not spec'n out all the proper gaps and clearances...shouldnt even be building a turbo motor...ill take my chances with these pistons...ive heard more good then bad...and all bad are people sayin...trust me, there bad...no photos or proof that ive seen yet...thanx tho</TD></TR></TABLE>
I've researched these pistons quite a bit and it's getting harder and harder to find horror stories. People love to complain so No News is Good News.
I've researched these pistons quite a bit and it's getting harder and harder to find horror stories. People love to complain so No News is Good News.
08-27-2008, 08:28 AM
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thats what i am thinking...im gonna give them a shot personally...it takes a big set to claim you dont need sleeves to run them so ill put a set in and hope they dont lie
08-27-2008, 08:39 AM
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Re: (92_boosted)
From what has been posted to date, important issues are piston to wall clearance and especially cylinder wall prep. Honing on these cylinders is a different procedure than typical honing. I believe Porche engine rebuilders have some experience with this type of cylinder liner.(FRM?) Mahle probably details the process pretty well in their instructions. Good luck. I hope to try their 'Gold' series pistons myself, in the future.
08-27-2008, 11:14 AM
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Re: (purpleh22)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by purpleh22 »</TD></TR><TR><TD CLASS="quote">Honing on these cylinders is a different procedure than typical honing. </TD></TR></TABLE>
https://honda-tech.com/zerothread?id=405266
http://members.shaw.ca/FourthG...).pdf
https://honda-tech.com/zerothread?id=405266
http://members.shaw.ca/FourthG...).pdf
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08-27-2008, 11:48 AM
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im calling lots of shops to get the best one for the job...i dont know of any porshe shops in the colorado area that wont charge an arm and a leg...i am just lookin for an experienced shop that someone has gone to and had good out comes in colorado...shop here is complete ****...unless the big block shop...but its not a v8
08-27-2008, 02:27 PM
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Re: (92_boosted)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 92_boosted »</TD></TR><TR><TD CLASS="quote">im calling lots of shops to get the best one for the job...</TD></TR></TABLE>
Have you inspected the block yet?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote »</TD></TR><TR><TD CLASS="quote">FRM honing is not required unless the cylinder has deep vertical scratches that run the length of the bore. </TD></TR></TABLE>
Have you inspected the block yet?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote »</TD></TR><TR><TD CLASS="quote">FRM honing is not required unless the cylinder has deep vertical scratches that run the length of the bore. </TD></TR></TABLE>
08-28-2008, 10:28 AM
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the block is still fully assembled with the stock components...was running clean across the board when pulled...that motor looks clean man...good luck
Their springs and retainers ROCK SOLID though
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