degree's of timing

[RDunn]

what are you guys pulling for timing? right now im running the 91 canned tune with 6 degrees pulled out.i figured since the zex kit says to pull 4 with the 125 shot (but this is for a stock tune) so figured i would pull 6 since the canned tune adds extra timing.

or do you think its fine to just run with only 4 pulled?

[Lil Hemi]

what are you guys pulling for timing? right now im running the 91 canned tune with 6 degrees pulled out.i figured since the zex kit says to pull 4 with the 125 shot (but this is for a stock tune) so figured i would pull 6 since the canned tune adds extra timing.

or do you think its fine to just run with only 4 pulled?

To be safe I would stick with the 6 degree pull. This will depend a lot on what octane fuel you are using. If you can't get a dyno tune for the n20 at least use your Predator to check for short and long term knock retard next time you make a few passes with the nitrous.

[RDunn]

ive already been on a dyno, no knock. and the zex pills run really fat on the top end of the gear

[lou1355]

Just to give you guys an idea of the possibilities....

At the shindig I was running 21 degrees of advance at WOT with a 300 shot.

The thing was way rich though....8.8 AFR at WOT with the shot. I've got some tweaking to do.

I do have a built motor with internals picked for nitrous use, so that helps.

Also, I run 102 in the main tank and 116 in the aux tank for my direct port system, so I don't pull any timing from my street tune at WOT for the track.

When/if my motor goes BOOM, I'll update you guys.

Lou

[robsrt]

I pull 3 degrees on the 125 shot and had no knock. I'm running a 175 shot with 6 degrees pulled. I made one pass on the 175 with 4 degrees pulled and had my best MPH of that night, but I didn't log the run. Like you said, the zex pills are really rich. I would think 4 degrees would be fine with the 125 shot.

[RDunn]

well, my new stroker will be here in a week and im going to be bumping the shot up anyway.

im going to run a 200 nx system for the first stage and a 75 thru the zex for the 2nd stage.

[lou1355]

^^^^You'll be all smiles, amigo!

[wishing for hemi]

before i got my preditor i ran 2 passes with a 125 shot. no timming pulled. unfortunatly no data log but no boom either remember the 6 degrees is what zex recomends. but if you have a custom tune and you are dyno tested with the juice. you can get away with a little less retard

[Hemi31]

I used to run 100-125 with no timing pull.....just add 100 octane fuel for the track.......if your going to run 93 octane pull 2*.

[RDunn]

i run 93 now for the 125. now are you saying 2* with the 91 tune installed or 2* from stock?

[wishing for hemi]

it all depends on the car. i was at a dyno and a guy with very small mods(intake headers exhaust) and a diablo. he had knock noone else there was at all. what i was trying to say before is go to a dyno or at least datalog if nothing else. do it in small increments. if you are pulling 6 degrees data log and if all is good go to 5 and so on untill you start to show knock. once you are showing knock back it off a degree.

[formerice]

I have had good results with the canned tune 91 octane. I just put in some NOS octane boost, but some 100 octane unleaded would be good insurance if you can't find the booster. Not all octane boosters are the same, either.

[Heavy H.P.]

Are u going to have that 370 in a ready for Monster Mopar?

[RDunn]

I have had good results with the canned tune 91 octane. I just put in some NOS octane boost, but some 100 octane unleaded would be good insurance if you can't find the booster. Not all octane boosters are the same, either.

lol nos octane booster...you know that stuff actually LOWERS you octane rating right....DONT put that stuff in your car. or ANY supposed octane booster in,cept maybe torco.