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Generation III Internal Engine
piston deck height?

Generation III Internal Engine 1997-2006 LS1 | LS6

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piston deck height?

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Old

Mar 21, 2010 | 02:35 PM

#1

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From: Bahrain

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piston deck height?

Whats the stock piston deck height in a 346ci ls1?

Old

Mar 21, 2010 | 02:38 PM

#2

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From: Elk Grove Village IL

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The factory piston compression height is 1.340" +/- a couple thou.

The factory deck height is 9.240"

does that answer your question?

Old

Mar 21, 2010 | 02:47 PM

#3

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From: Bahrain

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Quote:

Originally Posted by AES Racing

The factory piston compression height is 1.340" +/- a couple thou.

The factory deck height is 9.240"

does that answer your question?

thanks, sorry i wanted to know if the piston goes out of the bore, flat, or slightly below in the bore at TDC?

Old

Mar 21, 2010 | 03:39 PM

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.007-.008 out of the hole......

Old

Mar 21, 2010 | 11:11 PM

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From: The Garage

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Quote:

Originally Posted by SOMbitch

.007-.008 out of the hole......

Agreed.

Old

Mar 22, 2010 | 11:32 PM

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From: garland tx

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how can you calculate this on a built motor you have?

Old

Mar 23, 2010 | 12:48 AM

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Quote:

Originally Posted by daniel6718

how can you calculate this on a built motor you have?

with or without the heads on?

on paper
(stroke length/2 + rod length + piston CH) - deck height = deck clearance

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Old

Mar 24, 2010 | 12:58 AM

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From: garland tx

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without the heads on...a feeler gauge seems kinda inaccurate...a dial indicator?

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Old

Mar 24, 2010 | 09:05 PM

#9

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From: Elk Grove Village IL

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Quote:

Originally Posted by daniel6718

without the heads on...a feeler gauge seems kinda inaccurate...a dial indicator?

Dial indicator either with a bridge or magnetic stand

Old

Mar 25, 2010 | 08:11 AM

#10

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From: garland tx

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average ls1 with a stock block and crank is about 005-008? out of the hole?
its got compstar rods and diamond ls1 pistons 1.309

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1998, 2004, 403, clearance, clearence, compression, deck, height, hieght, ls1, ls4, lsx, piston, pontiacpistontodeckheight, stock

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