When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Guys, I am in need of replacing my flexplate due to a concern I believe I created. I recently replaced my LS1 block with a 6.0L LQ9 block. Do I need to use the flywheel for the LQ9 engine? I originally used the one that was bolted to the 5.7L Engine. Chewed up the plate pretty good. When I order the new one, which do I order, and is there any shimming I need to know about. original flexplate on the 6.0L was not bolted on, so I do not know if there should have been a shim. Any help would be greatly appreciated.
Guys, I am in need of replacing my flexplate due to a concern I believe I created. I recently replaced my LS1 block with a 6.0L LQ9 block. Do I need to use the flywheel for the LQ9 engine? I originally used the one that was bolted to the 5.7L Engine. Chewed up the plate pretty good. When I order the new one, which do I order, and is there any shimming I need to know about. original flexplate on the 6.0L was not bolted on, so I do not know if there should have been a shim. Any help would be greatly appreciated.
If both engines use the same thickness Flange at the rear of the Crankshaft...
Then use the same style Flex-Plate from the 5.7L engine.
That would be all that is needed.
Below is an image of both the Thick and Regular style Flange at the rear of the Crankshaft:
In regard to the Torque-Converter to Flex-Plate spacing... every installation is different.
You will want approximately 1/16" to 3/16" spacing; with 1/8" being ideal.
The easiest way to measure the spacing is with Drill-Bits in those 3 sizes.
Use washers between the Flex-Plate and Torque-Converter mounting-pads to establish the correct spacing.
If the Flange at the rear of the Crankshaft (the part that the Flex-Plate bolts to) is thicker on the 6.0L engine; compared to the 5.7L engine...
You are going to find a Torque-Converter company that offers custom Torque-Converters.
The 4L60E Transmission was never intended to be used with the Engines that have the thicker Flange style Crankshaft.
I would try FTI Performance (they are a Sponsor here) and see if they can build a Torque-Converter for this application.
FTI Performance: 866-726-8358 ask for Dalton, and tell him you are a member here.
Website: Link
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.
Flexplate 
