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PT Cruiser Turbo Pistons Work in a 4G64 Yes or No?

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darknezz7

Proven Member
571
83
Mar 30, 2014
Eugene, Oregon
Need pistons for a 2.4l 4g64 /w 4g63 DOHC swap that will make CR tolerable for boost. From my other thread...

Would love to do JE pistons with Eagle rods and BC valve springs titanium retainers for another $1100 then future cams, but I don't think it will happen and probably not necessary for what he wants.


FINALLY MY BIG QUESTION
About pistons, I know I cannot use the stock 4g64 pistons because CR will be too high for boost, 11:1 I've read. The 4g63 pistons will not work? I know manley, wiseco and je all make custom pistons for custom CR specifically for this application, starting at $500...

I have read about using 2.4l PT cruiser turbo pistons? Now I have seen on several places people confirming all these things.

"The PTt pistons are for the 420a engines"
"The PTt pistons will work great and give around 9:1 CR"
""The PTt pistons will work if some is machined off the top"

So what is right? Cause those pistons are under $200.

Given there size, I can see how needing the blocked honed .1 and 1mm shaved off the piston is understandable.

Thanks!
 
Need pistons for a 2.4l 4g64 /w 4g63 DOHC swap that will make CR tolerable for boost. From my other thread...

Would love to do JE pistons with Eagle rods and BC valve springs titanium retainers for another $1100 then future cams, but I don't think it will happen and probably not necessary for what he wants.


FINALLY MY BIG QUESTION
About pistons, I know I cannot use the stock 4g64 pistons because CR will be too high for boost, 11:1 I've read. The 4g63 pistons will not work? I know manley, wiseco and je all make custom pistons for custom CR specifically for this application, starting at $500...

I have read about using 2.4l PT cruiser turbo pistons? Now I have seen on several places people confirming all these things.

"The PTt pistons are for the 420a engines"
"The PTt pistons will work great and give around 9:1 CR"
""The PTt pistons will work if some is machined off the top"

So what is right? Cause those pistons are under $200.

Given there size, I can see how needing the blocked honed .1 and 1mm shaved off the piston is understandable.

Thanks!

Says 420a, not 4g63??
 
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