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Thread: ls1/lq4 crank
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02-12-2014, 10:53 AM #1
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ls1/lq4 crank
So I did some research... ls1 and lq4 have the same stroke and everything. I found a cheap oem ls1 crank from auto zone figuring it would work. But the reluctor wheels are in different positions! What make/models/years have the same reluctor placement as my 2000 lq4?
Thanks
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02-12-2014, 11:13 AM #2
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Black/ Silver- 98 TA WS6/ 01 C5 Corvette
Actually they don't if the lq4 is before 2002 it's crank is longer than the ls1 however all gen III engines will have the same reluctor.
Edit: Nevermind I was confused about the crank.Last edited by 98TransAmWs-6; 02-12-2014 at 11:26 AM.
1998 Trans Am WS6 - Phantom
421 CI LQ9, Tick Performance Custom Cam, TFS 255cc LS3 heads, Kooks 2" LT headers, Kooks 3" True Duals w/ high flow cats, FTP 104 lid, Speed Density Tune, 4" silicon tube, LS6 VCT, FAST 102 Intake, NW 102 TB, Oil Catch Can, SLP Bilstein Shocks w/ Vogtland Springs, CTS-V 4-piston Calipers w/C6 Z06 rotors, Stainless Steel Brake Lines, R1 concepts premium rotors, Hawk HP+ brake pads, VFN WSQ Hood, C5-R timing chain, SLP oil pump, E85 tune, Walbro 450 fuel pump, Deatschwerkz 95# injectors, Breathless performance headlights, Frost Tune, !HVAC.
(Coming Soon) BMR DSL, UMI TQ Arm
421 LQ9 14.8:1 on E85 Build/
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02-12-2014, 11:13 AM #3
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Navy Blue Metallic- 98 T/A w/ mods, 00 FBVert
They should be only one way to install the reluctor wheel.
It is possible that Autozone gave you the wrong part. Has happen to me many times.
But to answer your question.
LS1/Lq4 crank yrs that are the same are 99' to 04'. After 04 they have switched to 58x reluctor wheel. These cranks will still work, just have to swap the reluctor wheel.
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02-12-2014, 11:20 AM #4
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02-12-2014, 11:20 AM #5
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02-12-2014, 11:21 AM #6
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02-12-2014, 04:23 PM #7
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- Feb 2014
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- Columbus, oh
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- 3
I'm aware if the 7/8 flywheel flange vs 1 1/4 flywheel flange. That's why I picked the 99-01 6.0 so it would bolt directly to my 95 lt1. But since I bought a c5z instead- I thought I'd get a reman'd ls1 crank from a gto. Since auto zone has it for 143. When putting the 2 side by side- the stock lq4 long crank has the reluctor wheel pressed onto the backside of the flywheel flange while the (supposed) ls1 gto crank has a partition for the reluctor wheel to be pressed about 1/2 closer to the 8th journal. Just didn't make since I went ahead and ordered an ls2 vette 24x crank. Hope this one works out. Oh and I have a gen3 because of the 2 valley knock sensors
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