Timing???

BowTie Eater 5 Liter · 01-25-2002, 03:31 PM

I was wondering what kind of timing i can safely run on 87 octane gas?

also, what octane gas do i need to safely run 14*???

Thanks..

LOWKEY · 01-25-2002, 03:43 PM

You should be able to run 14 intial with 87 octane. Especially since you live up north. Lower air intake temps allow more timing with less octane.

I use to run my stock motor at 15 with 87 octane in the winter and 89 octane in the summer.

Remember 15 intial is only 31 total. But you can't advance it too much because you will run into problems with too much timing at 3krpm because you've manual advanced a preset curve.

Performance wise, sbf's make peak power around 36-42 toal.
With the speedbrain and now the eec-tuner I've run my n/a setups around 36.

Brad

gtsr515 · 01-25-2002, 10:00 PM

Nice burn-out!, as far as timing/octane, your car will tell you what it likes best, don't go crazy with timing, usually 13-15 is good.

01-25-2002, 03:31 PM	#1
BowTie Eater 5 Liter Registered Member Join Date: Nov 2000 Location: Maple Ridge B.C. Canada, The Best Place In The World Posts: 871	Timing??? I was wondering what kind of timing i can safely run on 87 octane gas? also, what octane gas do i need to safely run 14*??? Thanks.. __________________ 1984 Bronco II, 36" Michelin Military Tires, 95 EFI 5.0, NP435 Tranny, NP208 Doubler, NP205 Transfer Case, Fill Size Solid Dana 44 Front End, WH Progressive Rate Rock Crawling Coils, Bronco 8.8 Rear, Skyjacker Softride Leafs, 5.13 Gears, Detroit Locker. Final Crawl Ratio Of 175:1 88 GT Best 60ft. 2.181 Best ET 14.350 Best MPH 98.01 ~WRECKED!!!!~

01-25-2002, 03:43 PM	#2
LOWKEY Registered Member Join Date: Jan 2000 Location: greenvile, NC Posts: 161	You should be able to run 14 intial with 87 octane. Especially since you live up north. Lower air intake temps allow more timing with less octane. I use to run my stock motor at 15 with 87 octane in the winter and 89 octane in the summer. Remember 15 intial is only 31 total. But you can't advance it too much because you will run into problems with too much timing at 3krpm because you've manual advanced a preset curve. Performance wise, sbf's make peak power around 36-42 toal. With the speedbrain and now the eec-tuner I've run my n/a setups around 36. Brad __________________ 89' Notch Stroked Poked & BLOWN low 11's and it goes around corners too Parts for Sale!! http://www.lowkey.stangnet.com/catalog.html

01-25-2002, 10:00 PM	#3
gtsr515 Registered Member Join Date: Nov 2001 Location: Sunny, Hot, Sebring, Florida Posts: 725	Nice burn-out!, as far as timing/octane, your car will tell you what it likes best, don't go crazy with timing, usually 13-15 is good. __________________ Remember...2nd place is 1st place for losers!

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