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Block decking

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Old Mar 23, 2007 | 05:31 PM
  #1  
Dave1980's Avatar
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Joined: Nov 2006
Posts: 869
From: Houston(clear lake)
Block decking

Ok so im gonna get my 4bolt splayed caps installed, and line honed.
The guy I was talking to about doing the engine said it might be a good thing to deck the block some to tighten up quench.

So im trying to understand quench completley, and wanted somebody to school me , and tell me if decking the block is 100% what I need. I have heard that it can cause intake manifold issues with lining up the heads. I have heard and seen good things about this guy, but want to know myself what im getting into.

He said that he would need to get more of my cam info and all of the other part info first.

He is also cutting me a deal on LT1 block in his shop for $100.00

So here are the parts going into the block.

# Compstar Forged 4340 3.75" Stroke Crankshaft
# Compstar Forged 4340 H-Beam Rods
# Mahle Forged Pistons (-5cc, -16cc, or -26cc)
# Mahle Plasma-Moly 1.5/1.5/3mm Ring Package
# Mahle Steel Pins & Wire Locks

Programs 22deg 4 bolt main caps

LE3 heads, with LE4 cam
Old Mar 23, 2007 | 07:48 PM
  #2  
89TramsAmGTA's Avatar
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Joined: Dec 2004
Posts: 454
From: So. Cal
What is the thickness of the head gasket you will be using? You need to mock up the motor with the pistons, rods, bearings and crank to see how far down the hole the pistons are. Then deck the block accordingly.
Old Mar 23, 2007 | 09:05 PM
  #3  
MachinistOne's Avatar
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Joined: May 2004
Posts: 2,001
From: Bay Area, CA
Aftermarket pistons are generally set up assuming a zero deck of 9.00", stock block is at 9.025", you need to deck the block no matter what, but zero decking is is up to you...personally it is something I always do.
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