josht

iTrader: (2)

Stock Information:
4.000" bore
3.622 stroke
6.096" rod length {is this correct??}

LQ4 compression 9.4
LQ9 compression 10.0
both have 72cc heads

The plan is to build the engine for a turbo setup now and add it in year or two. This is going into a 5 mile 2005 LQ4 engine.
Please move the post to the right section...

I want to use the stock crank if possible. I did not find connecting rods with 6.096" length, most were 6.125" Does using the longer rod length mean I use a thicker gasket? The connecting rods are 6.125, I would assume that the pistons have to match? Does using longer 6.125 connecting rods mean I am building a stroker or is no since the crank is still stock?

so what are my options for building a LQ4 with forged internals?
I was looking into Diamond LS1 Dish Pistons or Diamond LS1 Flat Top Pistons with Scat H-Beam LS1 Connecting Rods.
I am confused with the rod lengths..........

which size gasket do a use? Is it head dependent, if I use the stock 317 heads or use L92 6.2L heads?

What about the heads and intake, I was planning on going with a L92 setup but a LS6 intake with 317 heads and new valves, springs and ??? in the heads might be better for FI setup?

Does the 2005 LQ4 have equal length head studs?

Build parts:
Dura-Bond Coated High Performance LS1 Cam Bearing Set, 2004-up
Part # CHP-23T Retail Price: $98.95

are there better piston rings to use?
1.5, 1.5, 3mm Low Tension File Fit Xtreme Piston Rings
Part # ACX105985 Retail Price: $116.95


I think that H beams are stronger than I beams or did I get it backward?
6.125" H Beam LS1 / LS2 / LS6 Scat Connecting Rods
Part # 6612521 Retail Price: $449.95
icludes Premium ARP 3/8" cap screws

wrong rod length ???
LS1 Dish Pistons - 4.000 Bore, 3.622 Stroke, 6.098 Rod
Part # DIA11514 Retail Price: $634.95

or I need to use these:
LS1 Dish Pistons - 4.000 Bore, 3.622 Stroke, 6.125 Rod
Part # DIA11516 Retail Price: $634.95

which is better for a turbo setup Dish or Flat top pistons?


I don't know if this kit comes with the rods??
LS1 Warrior Piston Kit Part # WPKLS11 Retail Price: $869.95
3.622 Stroke, 6.098 Rod length, LS1 Warrior Piston Kit
·JE forged Flat Top Pistons
·JE File-Fit Plasma Moly Rings 1.5, 1.5, 3.0mm
·Cometic MLS Race Head Gaskets
·Clevite 77 P or H Series Bearings



TIA