FelPro Head bolts--7 are long, 2 are short--where do the short ones go - Team Camaro Tech
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post #1 of 7 (permalink) Old Feb 7th, 08, 06:05 PM Thread Starter
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FelPro Head bolts--7 are long, 2 are short--where do the short ones go

I am re-installing my vortec heads and just found that the 9 upper head bolts are not all the same size--two are shorter than the other nine.

Anyone know where these 2 shorter bolts go in the head?

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post #2 of 7 (permalink) Old Feb 7th, 08, 06:21 PM
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Re: FelPro Head bolts--7 are long, 2 are short--where do the short one

the last 2 inside the VC are a little shorter. Should have 3 lengths huh?
edit the 3 lengths just saw you said upper

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post #3 of 7 (permalink) Old Feb 7th, 08, 06:48 PM Thread Starter
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Re: FelPro Head bolts--7 are long, 2 are short--where do the short one

Do you mean the two closest to the firewall?

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post #4 of 7 (permalink) Old Feb 7th, 08, 07:16 PM
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Re: FelPro Head bolts--7 are long, 2 are short--where do the short one

The short eight bolts go along the bottom row, under the exhaust manifold.
The two medium length bolts go in the middle of the head next to the drain holes on the outer most holes longest center line.
The rest of the longest bolts go in the remaining holes, top row, next to the intake manifold.

Another suggestion is to set each bolt into the head and without threading, each bolt should have the same distance from the cylinder head pad to the bottom of the bolt head. Use sealant on the threads to seal coolant from seeping up the threads.

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post #5 of 7 (permalink) Old Feb 7th, 08, 07:37 PM Thread Starter
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Re: FelPro Head bolts--7 are long, 2 are short--where do the short one

Everret,

I tried method two and the long bolts stick up farther than any of the others when placed in the outside corners of the head (pic #1) but the medium size bolts fit in those same holes and have the same bolt head-to-surface distance as the others. Is picture #1 then where the medium size bolts go?



If not, is picture 2 correct?


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post #6 of 7 (permalink) Old Feb 7th, 08, 07:58 PM
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Re: FelPro Head bolts--7 are long, 2 are short--where do the short one

Pic 1 is correct, the med length bolts go in the lower corners, under the valve cover. Glad you had pics, that's kinda hard to explain
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post #7 of 7 (permalink) Old Feb 7th, 08, 08:00 PM
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Re: FelPro Head bolts--7 are long, 2 are short--where do the short one

right.pic 1. The "medium" 2 bolts go far left and far right.





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