[1963FALCON]

hey i have a 1995 svt cora motor its all stock with the 1.7 roller rockers. so my question is what is max cam lift before i have a problem with valve clearance. also what is the ratio of the 1.7 rockers verse the rest. because a cam say 498 lift with regular rockers. so whats regular. so what do i ad for a 1.7 rocker. thanks

[1963FALCON]

Originally Posted by 1963FALCON

hey i have a 1995 svt cora motor its all stock with the 1.7 roller rockers. so my question is what is max cam lift before i have a problem with valve clearance. also what is the ratio of the 1.7 rockers verse the rest. because a cam say 498 lift with regular rockers. so whats regular. so what do i ad for a 1.7 rocker. thanks

i also need new valve springs. any fav. out there

[Cobrals1eater]

Originally Posted by 1963FALCON

i also need new valve springs. any fav. out there

Assuming that you have the GT40 heads, I would use a 'F' cam which is a 512 lift. With the 1.7 rockers that should put you up to a 544 lift and clear the cut outs in the piston. As far as valve springs, I would check with Crane or Lunati and see what they say.