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Old 07-17-2022, 05:47 AM   #5
Schroeder
 
Drives: 77 Pontiac Trans Am
Join Date: Jun 2021
Location: NW, Ohio
Posts: 7
Quote:
Originally Posted by Evansa22 View Post
This is what I used, the 2504 says ls7 and lt1 but I believe it's too long for our application.
Yes. I have the 234-2503 too. It's the same length as stock. I will be using an ATI balancer. It's one reason I opted for the ARP bolt because I don't want to mess with turning down the stock bolt's large flange. Arp's 234-2504 definitely is too long, and it sounds like others have figured this out.

Does anyone have any input on the flex plate bolts? This was an auto engine now being paired with a T56 magnum 6-spd, and the ARP flywheel bolts are 3-5mm longer than the GM flex plate bolts that silver sport transmission sent me to make the flywheel to the engine before I decided to get these ARP bolts 234-2801. Perhaps the flywheel is slightly thicker than the flex plate, and that's the reason for the added length. I have the bellhousing and trans mounted now, and I can't see if the bolts are sticking out too far. It'd be great if someone could confirm the ARP part number 234-2801 for the flywheel bolts before my return window runs out (which will be before I take the bellhousing and trans off again.
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