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I've just checked the springs they are 190 seat, stock eddy valves, isky 1.5 solid rockers.
I dont really want to buy another set as i also need new push rods, a converter and a new set of slicks and the money is running out.
I've got a spare set of brand new stock eddy springs, they claim they are good to .600 lift on their website.
Jim
I will shift at 6200 and maybe 6700 or so through the 1/4 mile.
prosport
I cant find them on isky's website, do you know what spring pressure they are.
Mick
4.56 gears and 31" slicks.
Mick


IMO, the springs you have will risk wiping the solid lifter cam. With only 6700, you might be fine with 340 open, but I still like 130-140 seat.