Looking for High Comp. on my S13 sr20det powered

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sr_240sx
Posts: 272
Joined: Thu Nov 18, 2004 9:36 am
Car: 1989 240sx w/SR20DET and 2003 Altima SE 3.5L

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Does someone here has a compresion ratio of 9.5.1 pistons forged with forged rods in their sr20det redtop??? The reason I ask is because I am planing to rebuild mine with forged internals and I was planing to use 88mm pistons on 9.5.1 with forge rods and acl race bearing and use Cosworth Stopper head gasket. Anyone have inputs???


duffman1278
Posts: 6816
Joined: Sun Apr 01, 2007 3:09 pm
Car: 89 240sx Hatch, the wildcats!

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Research is the key to success

sr_240sx
Posts: 272
Joined: Thu Nov 18, 2004 9:36 am
Car: 1989 240sx w/SR20DET and 2003 Altima SE 3.5L

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duffman1278 wrote:Research is the key to success
That is way I made the thread because I was looking for info. and could no find anyone that got that compression on a sr20det redtop and want more info.

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Justin35ll
Posts: 1421
Joined: Fri Oct 17, 2008 6:57 pm
Car: s13 coupe sr20det

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You could do it, but most people find it easier, and more reliable to just run higher boost.It's basically doing the same thing by making more cylinder compression.

But if you're set on doing it I would get the block resleeved if you're going with 88mm pistons

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240_SeX
Posts: 506
Joined: Sat Feb 09, 2008 4:02 pm
Car: 1992 240SX SE

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It's going to be a lot harder to tune as well. Better throw a standalone on your list. Probably meth injection too.


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