Flywheel bolts, correct size???
Thread Starter
Drifting
Joined: Jan 2002
Posts: 1,484
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From: Northampton Ma
Flywheel bolts, correct size???
I'm about to bolt the flywheel to my new 383, and I realized I don't know what the correct size for the crank to flywheel bolts is. I seem to have misplaced my originals from my L-48 so I have nothing to reference. Anyone know the answer 
Also, when I buy the new bolts what should I use for a strength level? Grade 8? Hardended bolts? I'll also be sure to use thread locker when installing also. Any help would be great 
Also, when I buy the new bolts what should I use for a strength level? Grade 8? Hardended bolts? I'll also be sure to use thread locker when installing also. Any help would be great
Senior Member since 1492
Joined: Aug 2000
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From: Just because I'm paranoid doesn't mean people aren't out to get me...
St. Jude Donor '09
Re: Flywheel bolts, correct size??? (Ryan77)
I'm about to bolt the flywheel to my new 383, and I realized I don't know what the correct size for the crank to flywheel bolts is. I seem to have misplaced my originals from my L-48 so I have nothing to reference. Anyone know the answer Also, when I buy the new bolts what should I use for a strength level? Grade 8? Hardended bolts? I'll also be sure to use thread locker when installing also. Any help would be great
Also, when I buy the new bolts what should I use for a strength level? Grade 8? Hardended bolts? I'll also be sure to use thread locker when installing also. Any help would be great
Melting Slicks
Joined: Aug 2001
Posts: 3,050
Likes: 124
From: Wichita KS
Re: Flywheel bolts, correct size??? (Ryan77)
I'm about to bolt the flywheel to my new 383, and I realized I don't know what the correct size for the crank to flywheel bolts is. I seem to have misplaced my originals from my L-48 so I have nothing to reference. Anyone know the answer Also, when I buy the new bolts what should I use for a strength level? Grade 8? Hardended bolts? I'll also be sure to use thread locker when installing also. Any help would be great
Also, when I buy the new bolts what should I use for a strength level? Grade 8? Hardended bolts? I'll also be sure to use thread locker when installing also. Any help would be great
These bolts would be grade 8.
Le Mans Master
Joined: Dec 2003
Posts: 5,727
Likes: 38
From: Fremont CA
Re: Flywheel bolts, correct size??? (mapman)
Use the ARP or mid 80's Chevy flywheel bolts, you can get them cheaper from Pioneer at a local automotive machine shop (the Chevy bolts are quite good but, ARPs are the best.)
