l03/700r4 with stock manifolds and y pipe into a side dump cherry bomb, open element filter. what should i set my timing to?

 

I run mine at 6*and it pulls real nice.I started at 4*to see if there was spark knock .It did not. 6* turned out to be the sweat spot with mid grade fuel.

 

Mine is at 8*. But i also have the A lot done to the 305. i would say try 6* like mentioned above.

 

what is the factory setting. I ran 4 extra on a stock chip.

 

with a stock chip I ran mine about 6-8 degrees. I dont know if your supposed to change your timing for an aftermarket chip?

 

with an aftermarket chip I would match timing to chip

 

Stock is 0*.

 

How do you do that? Used chip

 

since I can read my chip....set base timing to chip... really need to match..

I timed mine by ear which ended up at 14 degrees.......set chip to 14 degrees
also.

 

I see, thanks.

 

whats gonna change my setting timuing to 4-6?

 

It will give you a little more oomph down low. You'll like it trust me. do it!

 

what grade fuel am i gonna have to run?

 

87

 

ive never messed with timing, i hope i can find someone to do it . i couldnt even see the degree thing on the harmonic balancer. then again it waas night

 

If your tuning is stock and your car is basically stock with the stock heads, set it at 0°. Swirl port heads are fast burn heads and do not nessecitate a lot of intial advance like non SP heads do.

 

I found a site that said base timeing is supposed to be 6* it also says idle is supposed ot be 400 rpms and i can't get mine to idle down that low. So which is it? 0 or 6. Also doesn't the idle and base timing correlate? if the idle is fast it throws off the timing???

http://www.iroczone.com/2009/10/1989...pecifications/