carryon525
Member
- Joined
- Feb 22, 2016
- Messages
- 131
Years back I did drag race a different GN but its been a while so I could use advice. My current set up consist of
Te-44
.10 over with weisco piston
205/210 cam
009's
93 TT chip
Balanced/blueprinted
about 5000 miles since complete rebuild
93 octane NO eth.
Of course tons of other bolts on LT1 MAF,Big Mouth intake, heavy springs, and so on....
I do know that alcohol is a big factor but I currently need to wait on that so
Questions pertain to my knock.
A couple weeks back when cruising around 35 then getting on it I got 7 degrees knock!
Fuel pressure at that time was at 48 line off which is way high but no other changes from below except I had regular 93 octane which should not make much of a difference from the ethen. free. The car was at my step dad's for a very long time and he is not familiar with anything on the car. (we are co-owners I just brought the car to my place after 3 years with him and I'm freshening up the car including tuning it for a powerful street car only not raceing
Fast forward to yesterday after adjusting the fuel pressure and TPS
Boost currently shows 16-17psi
Fuel pressure currently is set at 42-43 line off
Have not messed with the TT chip settings or translator (which I most likely will not tune with the translator at all)
Cruising and getting on it I now show o'2s at 728 and down to 2.5 degrees (only have scanmaster)
Of course I want to have zero knock but also realize I have way more power left in the car. Without adding the alcohol kit should I adjust the fuel pressure up a hair in the chip or regulator OR just the chip at this point? Also, to see if the 16PSI can pull a bit harder should I also ever so slightly increase the timing and WOT fuel pressure in the chip and not mess with boost? So basically tune for the strongest 16-17PSI I can without having the alcohol kit?
I will say the car did seem to pull a bit harder when the fuel pressure line off was way high at 48PSI. However, my stepdad did not know how to adjust the chip settings so that's hy I think line off was so high.
Te-44
.10 over with weisco piston
205/210 cam
009's
93 TT chip
Balanced/blueprinted
about 5000 miles since complete rebuild
93 octane NO eth.
Of course tons of other bolts on LT1 MAF,Big Mouth intake, heavy springs, and so on....
I do know that alcohol is a big factor but I currently need to wait on that so
Questions pertain to my knock.
A couple weeks back when cruising around 35 then getting on it I got 7 degrees knock!
Fuel pressure at that time was at 48 line off which is way high but no other changes from below except I had regular 93 octane which should not make much of a difference from the ethen. free. The car was at my step dad's for a very long time and he is not familiar with anything on the car. (we are co-owners I just brought the car to my place after 3 years with him and I'm freshening up the car including tuning it for a powerful street car only not raceing
Fast forward to yesterday after adjusting the fuel pressure and TPS
Boost currently shows 16-17psi
Fuel pressure currently is set at 42-43 line off
Have not messed with the TT chip settings or translator (which I most likely will not tune with the translator at all)
Cruising and getting on it I now show o'2s at 728 and down to 2.5 degrees (only have scanmaster)
Of course I want to have zero knock but also realize I have way more power left in the car. Without adding the alcohol kit should I adjust the fuel pressure up a hair in the chip or regulator OR just the chip at this point? Also, to see if the 16PSI can pull a bit harder should I also ever so slightly increase the timing and WOT fuel pressure in the chip and not mess with boost? So basically tune for the strongest 16-17PSI I can without having the alcohol kit?
I will say the car did seem to pull a bit harder when the fuel pressure line off was way high at 48PSI. However, my stepdad did not know how to adjust the chip settings so that's hy I think line off was so high.