Deck height with 6.125 rod

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Nov 17, 2011 | 10:19 AM

turbo6man

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From: Loomis CA

Deck height with 6.125 rod

Hi I am getting ready to purchase my rods and pistons for my turbo lq4 build and I was on the Wiesco website looking at the K444X3 piston. It states that a lq4 block has a deck height of 9.230 and that piston with a 6.125 rod has a zero deck height of 9.236 which means the piston will come out of the bore by .006 Is this ok? What is the max acceptable range? Also if I need to re surface the deck of the block during machining the piston will come out of the bore even more. Thanks

Nov 17, 2011 | 11:13 AM

killernoodle

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Compressed head gasket thickness is probably more than .040", so it should be fine.

Nov 17, 2011 | 10:07 PM

JRENIGAR

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From: 72396

I think factory ls1 pistons are about .020" out so you should be good. I personally would not want any piston out of the bore on a FI app but thats just me.

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