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Converting SBF pedestal mount heads to adjustable rockers... Which length rockers to use???

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Converting SBF pedestal mount heads to adjustable rockers...  Which length rockers to use??? Empty Converting SBF pedestal mount heads to adjustable rockers... Which length rockers to use???

Post  jbozzelle July 6th 2018, 6:21 pm

I have a set of aluminum GT40X heads that are pedestal mount rockers and I want to convert to adjustable. I know I need to mill the stud area down .230, but what length rocker studs would you recommend? Going with 7/16 studs/rockers.

ARP has studs that are anywhere from 1.75" long to 3.00" long. I'll probably run a girdle, so should the 3.00" studs be the ones I need?

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Post  gt350hr July 10th 2018, 1:35 pm

No they are way too tall. 1-3/4 will be fine.

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Post  jbozzelle July 10th 2018, 2:02 pm

Thanks!

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Post  stanger68 July 12th 2018, 9:34 pm

It’s been 25 years ago but I’m pretty sure we used oem 351 c studs on my brothers 289.

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Post  rmcomprandy July 13th 2018, 6:16 am

jbozzelle wrote:I have a set of aluminum GT40X heads that are pedestal mount rockers and I want to convert to adjustable.  I know I need to mill the stud area down .230, but what length rocker studs would you recommend?  Going with 7/16 studs/rockers.

ARP has studs that are anywhere from 1.75" long to 3.00" long.  I'll probably run a girdle, so should the 3.00" studs be the ones I need?

Studs for a big block Chevy are the ones to use. I think they are just under 2 inches.

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Post  jbozzelle July 13th 2018, 6:25 am

Thanks. This will be a winter project. Time to start collecting parts to assemble the heads.

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