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07-24-2003, 05:11 PM
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#1 |
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Mike
Join Date: Jan 2003
Location: west chester pa
Posts: 2,473
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timing help
I have an hei That I am putting an adjustable vac adv and new springs.The motor is a stock 280hp crate motor from gm.Which springs should I use.The red[weakest]will start advancing at 1000rpm and build quickly up to 3000rpm adding about 17degrees.The blue will start building at1600 and give about 9 degrees by3000rpm.the red start at2100 and add7 degree at 3000.It is in a suburban with a700r4 and 3.08 rear.
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70'c/10, 71 suburban4x4 402bb, 72suburban 4/6 drop, 72k/5 4x4 blazer 4" lift 35 tires |
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