head bolts
Roast em' if you got 'em
Joined: Mar 2005
Posts: 21,970
Likes: 9,782
From: Rio Rancho, NM
Clyde,
You might be able to find something tht will work here;
http://www.mcmaster.com/
Thats where I found my exhaust manifold bolts, about 3 times cheaper than Summit, PAW, Speedway, JEGS, etc
Bobby
You might be able to find something tht will work here;
http://www.mcmaster.com/
Thats where I found my exhaust manifold bolts, about 3 times cheaper than Summit, PAW, Speedway, JEGS, etc
Bobby
Lead Driver
Joined: Aug 2006
Posts: 8,093
Likes: 652
From: Brentwood, TN
Freshman User
Joined: Aug 2006
Posts: 28
Likes: 0
When I was looking for them a couple of weeks ago, the only place I found that had them was Red's Headers. At least they had the small ones. They would have to order the long ones from somewhere back east and it would take 1-2 weeks.
Fleet Owner
Joined: Jul 2004
Posts: 27,286
Likes: 1,050
From: NM
See Phatty's thread on "flathead leaks" for reasons to buy the correct bolts! Part of the torque spec on these is based on the minimum diameter of the factory-style bolt, which is different than hardware store bolts. What's wrong with your old ones?
Fleet Owner
Joined: Jul 2004
Posts: 27,286
Likes: 1,050
From: NM
If you mean they are thinner in the middle of the length of the bolt, I think that is the factory shape of them. If the threaded part looks stretched and a nut won't run up them easily, then they are are shot. If they are very rusty, toss 'em. Try measuring the overall length (from underneath the head to end), see if they vary much.
You can't go wrong replacing them, but it would be pretty hard to stretch these without stripping the holes in the block. The deck is not that strong, unfortunately.
You can't go wrong replacing them, but it would be pretty hard to stretch these without stripping the holes in the block. The deck is not that strong, unfortunately.
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Post Fiend
Joined: Jun 2001
Posts: 7,493
Likes: 7
From: Erie, pa
The "Short" Bolts are: 7/16-14x1.94" there are 20 req. for the engine
The "Long" Bolts are: 7/16-14x2.62" there are 28 req. for the engine.
The "Long" Bolts are: 7/16-14x2.62" there are 28 req. for the engine.
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