Rocker arm preference ?

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Rocker arm preference ?

Post  5pointslow on July 20th 2016, 6:35 pm

Any preference on brand

600 to 650hp
Eddy head

Need 7/16 stud 1.73 ratio

I'm sure most will work in my application not looking to go crazy on somthing not needed

I see Harland sharps, tfs,scorpians ect...

Just wasn't sure if I should stay away from anyone certain

Thanks
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Re: Rocker arm preference ?

Post  Curt on July 20th 2016, 8:12 pm

Harland Sharp is the only stud rocker I have been happy with in the last 25 years.
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Re: Rocker arm preference ?

Post  David Cole on July 20th 2016, 8:41 pm

Spendy, but if you can go with the Crower Stainless, you'll never have to buy another set.

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Re: Rocker arm preference ?

Post  Lem Evans on July 20th 2016, 8:44 pm

5pointslow wrote:Any preference on brand

600 to 650hp
Eddy head

Need 7/16 stud 1.73 ratio

I'm sure most will work in my application not looking to go crazy on somthing not needed

I see Harland sharps, tfs,scorpians ect...

Just wasn't sure if I should stay away from anyone certain

Thanks

Spring loads?

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Re: Rocker arm preference ?

Post  5pointslow on July 20th 2016, 10:32 pm

162 lb at installed height
384 lb at.500 

Lunatic pn74708
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Re: Rocker arm preference ?

Post  5pointslow on July 21st 2016, 8:07 am

just ordered harland sharp part # S4005

hope these work out fine for me
thanks
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Re: Rocker arm preference ?

Post  rmcomprandy on July 21st 2016, 11:36 pm

5pointslow wrote:just ordered harland sharp part # S4005

hope these work out fine for me
thanks

Those rockers on your Eddy heads will require a shorter pushrod and the wipe pattern on the valve will be toward the outside of the valve.

The S4073 is a better fitting rocker arm however, the less expensive S4005 will work.

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Re: Rocker arm preference ?

Post  BBFTorino on July 22nd 2016, 12:15 am

David Cole wrote:Spendy, but if you can go with the Crower Stainless, you'll never have to buy another set.

This!!...Crower stuff is among the very best you can buy!!

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Re: Rocker arm preference ?

Post  5pointslow on July 22nd 2016, 7:48 am

rmcomprandy wrote:
5pointslow wrote:just ordered harland sharp part # S4005

hope these work out fine for me
thanks

Those rockers on your Eddy heads will require a shorter pushrod and the wipe pattern on the valve will be toward the outside of the valve.

The S4073 is a better fitting rocker arm however, the less expensive S4005 will work.

Thanks for that tip good to know when im measuring push rods and wondering why im needing shorter ones , yeah i didnt really wanna spend the 400$ plus on the rockers .....just figuared these maybe a good one for the money . Seems most on here and some of the builds i see people use the harland sharps

Thanks
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