Roller rockers

[Marvin Robinson]

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

[Jim Kaekel]

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

http://www.finishedracing.com/

[Adam Strang]

No mainstream combo and no rocker troubles here.Leave it alone.

[Dan Lattimore]

Stump pullers don't need high rpm. Tray lifters $28.00 Sealed Power selected rockers with three piece steel pivots $68.00 CP Products valve springs $48.00 ----150 seat 350 open. Perfect machine and assembly.

[mannymen]

What is considered extreme valve spring pressure in a stocker?

[Myron Piatek]

Some of the composite lifter engines have moderate roller-type pressures. They even recommend starting at 170-180 closed on the seat.

[Chad Rhodes]

Originally Posted by Myron Piatek

Some of the composite lifter engines have moderate roller-type pressures. They even recommend starting at 170-180 closed on the seat.

add a hundred

[Dan Lattimore]

Hi Terry------You're dead on. Worst rule change ever. Started all this BS.

[X-TECH MAN]

Originally Posted by mannymen

What is considered extreme valve spring pressure in a stocker?

Any pressure that requires a "Shubeck" style modified lifter that cost more than roller lifters thats used in S/S ! Like Danny (Hi Dan) said in the post below......150 lbs seat pressures 350 open MAX should be all you need. Saves wear and tear, less breakage from lower RPM's like a stock engine was designed for. Then you could run the OEM stuff until rebuild time. Some of these "Stockers" are being turned up to "Never Never land" on the shift points and in the traps. No wonder the racing associations had to allow aftermarket rods (more expense). Stock was never meant to be S/S. Max valve spring pressures in this range would be one rule change I would vote for instead of allowing S/S type replacement parts every time someone breaks an engine because of turning a stocker to 8200 + RPM with a stock capacity oil pan. This is also one reason some have used "Cheater" heads and intake manifolds over the years to allow for more air flow. Its the Associations fault for letting the rules get out of hand.....not the racers. They just use what the associations allow but it cost EVERYONE more and more to stay competitive. My 2 1/2 cents and Im sticking to it !