No, you need special length pushrods. (Ball/ball is correct, just shorter.)Good to hear. Can you use the stock ball on ball pushrods?
Rusted hold downs don't look right with fancy brand new rocker arms. Spend that 20% you saved on some prw hold downs.
If the pushrods need to be shorter what length do they need to be?
If the pushrods need to be shorter what length do they need to be?
Had to do the same thing here, but it was several years ago and I don't have a record as to what I bought. But they were in stock at Summit, made by Comp.you need to measure on your motor....blocks get decked and heads get milled over the years...no one knows what you have.....only you.....buy a push rod length checker tool....set it to where it needs to be, then measure the length of the tool....then buy the closest push rod you can buy....I used comp cams 7958 push rods which are 7.550
You forgot: The lifter must be on the base circle of the cam.Take an existing push rod and cut 1 inch out of the top portion leaving about an inch of end piece , get a piece of all thread that will fit inside the 2 push rod ends... and 2 nuts that screw onto the all thread.
Now you have an adjustable push rod.
Set the adjuster to give about an even number of adjuster threads top and bottom of the nut and rocker, no more than 3 threads above adjuster nut. Take the adjustable push rod and set it in place on lifter, turn the nuts to shorten it enough to clear the rockers on shaft to bolt it down....now adjust the push rod longer, screw the nuts away from each other to lengthen and contact the adjuster. Now adjust the push rod to what ever lash is called for, "read below"
Do this on all 4 corner cylinders 1,7,2,8 to get the average length between them all, that's the length push rods you order up.
Hyd cam, tighten 3/4 or .030 lifter cup depression.
Solid cam, what ever the cam maker calls for , I like .018 open lash
When I do mine this way, once the length is set....i take another push rod cut and weld it to that exact length and set it up on every rocker, adjust it and rotate to check clearance, adjuster threads etc, any stem height issues will show then if anyone screwed up early in the machining part.
You're right, because someone even attempting to do this and coming on here asking ,I'd assume, would know that.You forgot: The lifter must be on the base circle of the cam.
You never know.You're right, because someone even attempting to do this and coming on here asking ,I'd assume, would know that.
you need to measure on your motor....blocks get decked and heads get milled over the years...no one knows what you have.....only you.....buy a push rod length checker tool....set it to where it needs to be, then measure the length of the tool....then buy the closest push rod you can buy....I used comp cams 7958 push rods which are 7.550
Yes, use any type pushrod you want. It does not matter.
Thank you Captain Obvious.As long as they're ball and ball...