Need Help With Pushrod Length

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04-02-2008, 10:05 PM

1999ssls1

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Need Help With Pushrod Length

A buddy of mine has some ported 853s that have been milled 0.18 and a comp cam 608/612 240/144 on a 112. It has ls7 lifters and Mahle flat tops with 4cc valve reliefs. It also has stock thickness head gaskets. What length pushrod should he need?

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04-03-2008, 09:09 AM

1999ssls1

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T T T

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04-03-2008, 09:15 AM

2000KnightRider

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I'll say what every other person on here would say. Get a PR length checker.

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04-03-2008, 09:36 AM

1999ssls1

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I dont have one and trying to find someone with a similiar setup.

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04-03-2008, 10:07 AM

2000KnightRider

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Quote:

Originally Posted by 1999ssls1

I dont have one and trying to find someone with a similiar setup.

If I was to guess I would say 7.4
You have milled heads + stock size PRs are 7.380 if remember correctly + the base circle of the aftermarket cam would be smaller than stock size.

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