Fast As Cast Bolts

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Apr 25, 2019 | 08:13 AM

Thomas Aquinas

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Fast As Cast Bolts

So I'm in the process of collecting parts for my heads/ cam swap and I need some help with head bolts.

I have a set of Trick-flow Fast as Cast 220cc and they're going on my 02 LS1.

Which ARP head bolts do I need?

Anyone running these heads care to chime in?

thanks.

Apr 25, 2019 | 09:43 AM

Jtm2085

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I used the stock ones for a 02 block. Make sure that you grind the tabs off of the rocker pedestal. The will not bolt down correctly if you don't

Apr 25, 2019 | 11:20 AM

00pooterSS

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From: Dallas

Quote:

Originally Posted by Thomas Aquinas

Get the ones that are for an 02 LS1...

As for those heads, they are excellent heads. But they don't use a different head bolt if that is what you are asking

Quote:

Originally Posted by Jtm2085

I used the stock ones for a 02 block. Make sure that you grind the tabs off of the rocker pedestal. The will not bolt down correctly if you don't

Yup, good point.

On the back side of the rocker arm stand (pedastal) there are small tabs that keep the pedastals from sitting flat on the trick flow heads, grind them flat and the pedastal will go right on.

Apr 25, 2019 | 11:50 AM

wannafbody

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Does a head with a thicker deck than stock require a longer bolt?

Apr 25, 2019 | 01:56 PM

G Atsma

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Quote:

Originally Posted by wannafbody

Does a head with a thicker deck than stock require a longer bolt?

Not necessarily. It's more about the height of the bolt hole to the head surface. Deck thickness can be anywhere.

Apr 25, 2019 | 02:38 PM

00pooterSS

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Quote:

Originally Posted by wannafbody

Does a head with a thicker deck than stock require a longer bolt?

Not that I have ever heard anyone mentioned. Up to this point I assumed that they made it to where they could use standard length bolts. But now that you ask that it kinda makes me think. But of all the cylinder head threads, nobody has ever mentioned using a different bolt length and most if not all aftermarket heads have thicker decks from what I understand.

Apr 25, 2019 | 02:45 PM

wannafbody

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It's possible that they countersink the bolt hole deeper on aftermarket castings.

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Apr 25, 2019 | 10:06 PM

1FastBrick

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Quote:

Originally Posted by Che70velle

Has anybody here ever seen a longer headbolt?
The thicker deck surface is cast on the inside of the casting, meaning less actual water jacket area. The head castings are the same thickness overall.

X2 This is the correct answer for this application.

But in other applications they are specific length bolts and there usually offered by the head manufacture.

Apr 26, 2019 | 08:15 AM

#10

Thomas Aquinas

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My guess was to use the ARP hardware meant for an 02 LS1, but you never know with aftermarket stuff. So I figured I'd ask some people with experience.

Quote:

Originally Posted by Jtm2085

I used the stock ones for a 02 block. Make sure that you grind the tabs off of the rocker pedestal. The will not bolt down correctly if you don't

Thanks for the tip. It's the little tips and tricks like these that don't get posted about all the time, but are useful.

I can't wait to see how these perform after reading everyone's results with them.

The next challenge is picking out a cam....

Apr 26, 2019 | 09:56 AM

#11

Che70velle

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From: Dawsonville Ga.

Quote:

Originally Posted by 1FastBrick

X2 This is the correct answer for this application.

But in other applications they are specific length bolts and there usually offered by the head manufacture.

I should have been more specific in my answer. There are lots and lots of other applications that require custom length head bolts, but I’ve not seen one yet for our inline valve design, LS series cylinder heads.