Quote:

Quote:

I ran the Isky 8005a springs with the 590 cam with good luck, also used 1.6 rockers.



thats what i use. i think they are about 400lbs open .



I have them also. But, I dont think they are near 400 open, more like 330-350.

Looks like they are 135 on the seat at 1.875.

72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.