I know this is not helpful what so ever but initial timing should only be around 14-16 btc and depending on the advance curve should be about 36-42 at full advance. May want to check your timing and make sure your outer ring of your dampner has not slipped.

Cheers

Paul

 

Your timming mark and indicator are either WAY wrong.. or you have a VERY VERY VERY low compression engine. With 48 degrees advance on iron heads and that cam.. it should have knocked the pistons out the pan already.

Ideal timming on the iron head stuff... on gas. Looking at about 34 to 38 total. On that high a stall converter, you could run that locked out, or with the 12 degree mechanical your getting 22 inital wont be too bad.

I would get something with an auto retard attached, where you can pull the timming only when the N2O is on... Doing it manually is going to make it hard to start, ad could cause problems with the thing loading up before ya try and spray it.

You can get a MSD timming controller to piggy back with the 6Al.

And then when the N2O solenoids open the timming drops back to where it should be.

 

also i forgot to mention that it is run on a 50/50 mix of 117 race fuel and 93 pump gas.

 

Doesnt matter, as you exceed the burn rate of the fuel, the added timming costs you HP.. You have to compress the burning fuel...

So your running about 105 octain.. No big deal, might stave off detonation with that kind of timming, but it dont make any more power.

 

correct the motor doesn't run as well if i take much timing out. and i checked the the indicator and at TDC the pointer is on 0*.

 

Way too much timing. it should be around 14 initial and around 36 total. may want to do a TDC test and see if the balancer hasn't slipped. Is it a stock balancer? Either you got a real low compression deal or the balancer is bad. Fix it before you spray it though.

BTW, If you're looking for a good 460 site check out www.460ford.com

I post over there as well as Kim. It gets alot more traffic than here (not knocking the Corral Kim).

 

ok i did check the balancer and it was on 0 and no it is a ATI superdampr. yeah not gone spray it yet just got it running.
thanks for the refferal.
how do i check the initial timing. it has an old mallory distributor and i mean old.
Thanks Luke

 

Pull the hose off the vacuum advance and plug it. Hook up a timing light and idle the motor. Shine the timing light on the pointer and read the setting.
Your problem maybe resolved by hooking the vacuum advance hose to a non manifold vacuum.

 

no vaccum advance it has an old mallory digital distributor.

 

Is the timing pointer in the right spot? Sounds like you got a weird problem. I would've guessed the balancer had slipped, but the ATI's can't do that. I think the outer ring is bolted on those balancers.

 

yes i checked the balancer and pointer. they are correct. i have not tried to back the timing off to 32 degrees full advance. i made small adjustments and it seemed to run better where it is now. when i get home i will try backing it off to around 32 and see how the motor likes it. does anyone know how to get initial timing with this mallory distributor or do i need to call them????
Thanks

 

Not sure if that dist needs any special setup or not. maybe check the Mallory site to see. I'd say back her down to 32 total, reset the carb and see what it does. Most BBFs don't need, or like, anything past 36 total.

 

alright i'll try that and see how it likes it. it was lean so i stepped up to 84 secondaries. haven't messed with the primaries yet. but i'll take some timing out and see what happens.
Thanks Luke