deck height ?

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Jan 16, 2006 | 03:54 PM

rck329

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deck height ?

Hey guys,

What's the deck clearance (distance from top of piston to block deck) on a stock LS1? Negative right (piston in hole)?

Thanks

Jan 16, 2006 | 04:11 PM

Gunnar@Patriot

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On a factory LS1 the piston is out of the hole. A negative number means the piston is above the deck and positive means it is below the deck.

Jan 16, 2006 | 04:11 PM

WS6store.com

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From: IA

Approx .000"-.002" based on the following specs:

67.3 cc Combustion Chamber
0.00 cc Piston top volume
3.9" Bore x 3.62" Stroke
.052" Compressed gasket

Last edited by WS6store.com; Jan 16, 2006 at 04:17 PM.

Jan 16, 2006 | 04:23 PM

rck329

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Quote:

Originally Posted by Gunnar@Patriot

On a factory LS1 the piston is out of the hole. A negative number means the piston is above the deck and positive means it is below the deck.

Oh, they are positive... Gunnar do you know how much?

I guess I just need wrist pin CL to piston top distance. I have all the other numbers.

Jan 16, 2006 | 04:25 PM

Beast96Z

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Quote:

Originally Posted by rck329

Oh, they are positive... Gunnar do you know how much? 0.005?

There not all going to be the same. They average about .005"-.010" out. Most just say .007 if trying to find compression and so forth. It's as close as you'll get without actually measuring.

Jan 16, 2006 | 04:28 PM

rck329

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Quote:

Originally Posted by Beast96Z

There not all going to be the same. They average about .005"-.010" out. Most just say .007 if trying to find compression and so forth. It's as close as you'll get without actually measuring.

Gotcha. I guess I'll go with the 040 gaskets instead of the 030 then.

OK, part 2... does anyone make a 040 graphite head gasket with 3.9 bore?