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Ok.. I'm thinking of going over to thicker rocker arm stud so its time to get new rockers.
Know I have a choose of 1.5,1.6 or 1.65.. Which ratio should I choose and which brand do you recommend. I'm also getting a new solid lifter cam..
Thank you for any help.
Shane
What have you done to the car to this point? What are your plans for the car? What is your type of driving? Do I take underpsi to mean "blown"? What roller cam are you stepping up to?
I think all would agree that we need a bunch more infor to provide credible advice.
Actually I've got a ported heads Iron Lighting 200cc heads and a 383 chevy,miniram . And I'm thinking of a solid lifter cam. Which I want a red line of 7200 rpms? Any advise on a cam and rockers?
Underpsi,
Post all the mods currently done to the car (engine and driveline), including the planned mods (like the 200cc heads, ect.). List the intended purpose autox, drag, ect. Then members of the forum may be able to provide reasonable advice.