4 bolt vs 2 bolt main
Team Owner
Joined: Aug 2000
Posts: 40,156
Likes: 45
From: San Pedro CA
Originally Posted by ALLT4
I'm still waiting to see those pictures of a trashed 2 bolt main cap with ARP studs. And waiting, and waiting.....
My freind went this route, he bought a cheap F body LT1 2 bolt to build his 383, we installed the ARP bottom stuff and it's holding together just fine. Frankly I don't think the F body guys worry about it eaither even with spray.
My freind went this route, he bought a cheap F body LT1 2 bolt to build his 383, we installed the ARP bottom stuff and it's holding together just fine. Frankly I don't think the F body guys worry about it eaither even with spray.
ARP Studs are the shiznit...
But that strength didn't exist years ago...
oh, and NASCAR still uses 4-bolt mains... if not cross bolted mains.
Instructor
Joined: Dec 2003
Posts: 103
Likes: 0
From: Stockton CA
Hey, I run a 427 in my circle boat, 12.5:1 compression, av gas, and turn 6800 with her. She's a two bolt and she's in her 8th year, so don't throw the two bolts away. Now she is line bored, decked and she's balanced that is what keeps her together and I never jump on her cold...gosh that sounds a little funny?
Thread Starter
Advanced
Joined: May 2006
Posts: 97
Likes: 0
From: Panama City Florida
Originally Posted by rmwick55
Hey, I run a 427 in my circle boat, 12.5:1 compression, av gas, and turn 6800 with her. She's a two bolt and she's in her 8th year, so don't throw the two bolts away. Now she is line bored, decked and she's balanced that is what keeps her together and I never jump on her cold...gosh that sounds a little funny?
Melting Slicks
Joined: Dec 2004
Posts: 2,137
Likes: 5
From: Howard PA
Looks like a little more was going on there than just a cap failure. Looks like what ever else was going on trashed the caps and at that point 4 bolts wouldn't mean a hill of beans.
Look, every freakin journal is scored to hell and back.
Look, every freakin journal is scored to hell and back.
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