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Posted

Im am slowly working on my truck and I was looking at some of the head bolts and they are starting to rust and some are corroded and I was wondering if you can use grade 8 hardware bolts or if there is another place I can get some, But remember I am on a budget and I dont want to be completely robbed dry

Posted

I used grade 8 bolts and hardened washers. I bought them at the tractor store. I have about 10,000 miles on them without any problems. I have since bought a bolt set for my P-15 which I paid $69.90 for them from Headbolts .com which included shipping. The bolts came from crosby machine

20 mirona rd

portsmouth NH 03801

You can google www.headbolts.com and choose the correct set for your car. Grade 8 bolts from tractor supply are a whole lot cheaper. The grade 8 bolts are not reduced diameter and shouldered as the original bolts are.

Posted (edited)

Search head bolts, quite a bit of discussion and several posts of Chevy pieces that are nealry spitting image of stock and relatively cheap. I think I paid 89 cents a piece for the oes I bought. I also put hadware grade 8's in my 218 and put 5k miles one it without problems.

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Edited by greg g
Posted

It takes two complete sets of Chevy V8 head bolts to get enough short ones to do a flathead if you can not buy individual head bolts. Some places sell the Chevy head bolts in a blister pack as a kit. You only need the short side head bolts from the Chevy V8.

Posted

I bought some for my sons car at Lowes, they've got a pretty good selection can't remeber the price though. Anthor place you might check is Fastenal, again I don't know what the price would be.

Posted
dsc00010ai.jpg

As you can see in Gregs picture the original head bolt (center) and the shiverlay head bolt (right) are undercut in the shank. This is done so they dont rust solid to the head. The hardware grade 8 bolt (left) does not have this undercut shank. I personally would not recommend using a hardware grade 8 bolt for this reason.

Posted

I did not know that's what the undercut was for Don. Thanks for the schooling, wish I'd have known this before we done the head gasket on my sons car. We put regular grade 8 back in it cause some of em looked rough. If the head has to come back off I guess I'll change em out.

Posted

I bought some grade 8 from fastenal...didn't use them though. I used studs from VPW instead. The Fastenal products were not all straight...I had a machinist at work help me out by turning the shaft down a bit to be like the stockers. He said most of them were not straight. So I didn't use them after all that.

Posted
I bought some grade 8 from fastenal...didn't use them though. I used studs from VPW instead. The Fastenal products were not all straight...I had a machinist at work help me out by turning the shaft down a bit to be like the stockers. He said most of them were not straight. So I didn't use them after all that.

I hate to hear you had bad luck with Fastenal. We use them alot where I work and quality has never been an issue. This past spring they even give our maintenance dept. skybox seats at the Bristol race. Now if that's not customer appreciation I don't know what is.:D

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