posi-trac and 3:73 how much does it help how much would this take off of my et's i do not have a baseline right now but how much compared to open 2:73's
thanks

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86 Irocz, 305 bored 40 over, 211/221 comp cam,paw rocker arms 1.5,10:1 comp., stock heads, 100 shot of nitrous,

soon to be airflow research 190 cc heads, 373 gears to replace 273, and induction work

 

it'll help a lot. if you don't have a base line et it's useless to guess. if you want a number i'll say .5 to.7 reduction, but like i said it's pretty useless to try.

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ICON Motorsports

1st & 3rd

 

I'd say with the engine work you've done, the difference will be massive. You will have traction problems though. ede's estimate is similar to what I would guess at for how much it will help.

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"So many Mustangs, so little time..."
ICON Motorsports

 

Thanks for the reply i was looking and it was going to cost me about $600 if my dad will do them for me more if i got a shop to do it so maybe it would be worth it to get a moser 9" a friend of mine is supposed to be getting one for $900 brand new... then with slicks hopefully there would be no traction problem.... thanks again