Hi all.. So been mucking about work my build and finally addressing the advance. My vac can adds ten crank. My dizzy is adding about 22 centrifugal. With 12 initial I'm about home with it all in around 3k right?
My understanding is initial over 16 will cause hot start cranking issues.. .now here I see another story entirely:
"
To really make a trick street set-up you should only have about 10 degrees or so of mechanical advance in the distributor and about 24 - 26 degrees of initial timing on the crank to obtain your total of 34 - 36 degrees of total timing."
Now while I was playing my newly ground hei to give me more than the 16i was getting.. I noticed when I had too much centrifugal 30! The throttle response was insane.. It snapped like a bullet everytime I blipped the throttle however when I follow the 12/20 path the revs climb slower.
Does too much advance give this crazy response but not make power? I didn't drive it.. Just checked timing..it was a whole new animal (rev wise At least)..
So I'm wondering if I should cap the dizzy back to 16 Max and run like 18 initial?
Just felt like the car would be a rocket with that advance in so early.
89 pump gas vortec stock iron heads 214/224Cam on a stock 350..long tube headers and air gap plus qjet. .
My understanding is initial over 16 will cause hot start cranking issues.. .now here I see another story entirely:
"
To really make a trick street set-up you should only have about 10 degrees or so of mechanical advance in the distributor and about 24 - 26 degrees of initial timing on the crank to obtain your total of 34 - 36 degrees of total timing."
Now while I was playing my newly ground hei to give me more than the 16i was getting.. I noticed when I had too much centrifugal 30! The throttle response was insane.. It snapped like a bullet everytime I blipped the throttle however when I follow the 12/20 path the revs climb slower.
Does too much advance give this crazy response but not make power? I didn't drive it.. Just checked timing..it was a whole new animal (rev wise At least)..
So I'm wondering if I should cap the dizzy back to 16 Max and run like 18 initial?
Just felt like the car would be a rocket with that advance in so early.
89 pump gas vortec stock iron heads 214/224Cam on a stock 350..long tube headers and air gap plus qjet. .