Roller rockers
 

I saw on here once before IHRA allows roller rockers in Stock. Are you allowed to run FULL roller rockers or just roller tips? Is this just for crate motors or all?

Re: Roller rockers
 

You can run full roller rockers of the correct rocker ratio for your combo. No "Over the top" style such as Jessel. or shaft rockers on a chev or individual stud rockers on something like a 340/360 MoPar. You have to maintain the OEM configuration and mounting. This came about to increase reliabiliy in some engines because of the extream valve spring pressures being used on todays stockers.

Re: Roller rockers
 

Thanks Terry,

Re: Roller rockers
 

It would be nice if NHRA took this same enlightened approach.... it would save money and broken parts.

Re: Roller rockers
 

Dear Marv,
If you want to use roller rockers, NHRA will let you. You can also put in a roller cam and an aluminum intake manifold and you can even use a transbrake valve body in the trans. They call it SUPER STOCK. You have to be careful what you wish for, you might wake up one morning and find out that your stocker can only run in Super Stock. Since Indy in 1985, when over a dozen stockers got bounced from tech for improper valve spring pressure, the stocker rules have been diluted and corrupted from the original concept and pushed closer to Super Stock rules. Unlimited cam duration, any valve job,beehive valve springs with unlimited valve pressure, non factory lifters all used to be Super Stock only items, now found on every stocker that can afford them. I know we can't go back to the old rules but roller rockers in stockers will just put one more nail in Stock Eliminator's coffin. Call me when you get a chance.
John

Re: Roller rockers
 

Marv I agree & having an Olds I understand how this simple change could fix a pis poor factory set-up. I'm sure the big block Chevy guys would love it too.

Re: Roller rockers
 

I'm not having any rocker trouble. I'm not wanting roller rockers in Stock.

Re: Roller rockers
 

Greg, at least the BB Chevy guys can get good aftermarket replacement parts for their valvetrains (hardened rockers, better metals, etc.). Trying to find or engineer stuff that works on your own can cost a fortune on a combo that's not mainstream.

Re: Roller rockers
 

John, you forgot about aluminum heads, 4-link & coilovers, wheel tubs, big tires, little seats, motor plates, etc. It costs a lot more to setup an SS car that's competitive... not looking for power edge (at least not with repl rockers) just parts that won't break and don't cost a mint (and can be found). OH! wait a minute.... these are RACE cars -- NOTHING is cheap!!! ..... LOL

Re: Roller rockers
 

Marvin: Get a hold of Jim Bailey. He can fix your rocker problems.

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