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Procharger on stock internals?
Procharger on stock internals? I know the general rule is no more than 500HP on stock LS1 internals.. And with a procharger, that's around 8lbs. of boost I believe..
My question is, how many people have ran over 8lbs, or over 500HP on stock internals with no problems?
I want to see if I can go past that 500 mark, with a perfect tune, and have it be reliable.
Also, who has tried to run it over 500HP or 8lbs and broke something?
Thanks
My question is, how many people have ran over 8lbs, or over 500HP on stock internals with no problems?
I want to see if I can go past that 500 mark, with a perfect tune, and have it be reliable.
Also, who has tried to run it over 500HP or 8lbs and broke something?
Thanks
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See my sig. I was running 11# on the stock shortblock. It ran real strong but it didn't last long. It probably had a lot to do with me trying to tune it myself. The last time I logged anything I had 0 knock retard and was around 11.5:1 AFR at WOT. I thought it was good enough but #7 didn't agree with me.
Edit: Just noticed my sig says 8psi. It was supposed to be 8 pounds but I think they over compensated for my mods. I was actually seeing 11psi on the guage.
Edit: Just noticed my sig says 8psi. It was supposed to be 8 pounds but I think they over compensated for my mods. I was actually seeing 11psi on the guage.
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Verdad Gallardo See my sig. I was running 11# on the stock shortblock. It ran real strong but it didn't last long. It probably had a lot to do with me trying to tune it myself. The last time I logged anything I had 0 knock retard and was around 11.5:1 AFR at WOT. I thought it was good enough but #7 didn't agree with me.
Edit: Just noticed my sig says 8psi. It was supposed to be 8 pounds but I think they over compensated for my mods. I was actually seeing 11psi on the guage.
Edit: Just noticed my sig says 8psi. It was supposed to be 8 pounds but I think they over compensated for my mods. I was actually seeing 11psi on the guage.
Also, what is with this #7 cylinder.. why does everybody keep having problems with it when boosting?
I never had it on a dyno. I bought EFI Live and a wideband o2 setup and tuned it myself on the street. About the time I thought I had the tune good enough she poped.
I'm not sure what the deal is with #7. If you search the subject you will find that there are a lot of different opinions on why that one goes first. I don't think anyone really has it figured out.
I'm not sure what the deal is with #7. If you search the subject you will find that there are a lot of different opinions on why that one goes first. I don't think anyone really has it figured out.
well trust me thats not true i had 5 psi and what i thought was a good tune mad something like 5xx at the will lasted for like 6 weeks then i lost.......number 1?? i thought for sure it would be #7 but nope also man remember this when on a stock bottom end it not a matter of "if" if "when"
well trust me thats not true i had 5 psi and what i thought was a good tune mad something like 5xx at the will lasted for like 6 weeks then i lost.......number 1?? i thought for sure it would be #7 but nope also man remember this when on a stock bottom end it not a matter of "if" if "when"
No problems at all. But I bought my car new and I knew what I had for the get go. Its different If you buy the car used because you never know what you end up with.
I also don't race every dummy at every stop light and no track either. All of that helps. If you keep the boost at 8 pounds of boost with a solid tune along with the supporting cast your engine should last. Emphasis on SHOULD.
I also don't race every dummy at every stop light and no track either. All of that helps. If you keep the boost at 8 pounds of boost with a solid tune along with the supporting cast your engine should last. Emphasis on SHOULD.
I know the general rule is no more than 500HP on stock LS1 internals.. And with a procharger, that's around 8lbs. of boost I believe..
My question is, how many people have ran over 8lbs, or over 500HP on stock internals with no problems?
I want to see if I can go past that 500 mark, with a perfect tune, and have it be reliable.
Also, who has tried to run it over 500HP or 8lbs and broke something?
Thanks
My question is, how many people have ran over 8lbs, or over 500HP on stock internals with no problems?
I want to see if I can go past that 500 mark, with a perfect tune, and have it be reliable.
Also, who has tried to run it over 500HP or 8lbs and broke something?
Thanks
__________________
95 Pontiac Formula- Stock engine with ATI Procharger, Moser 12 bolt w/4:30 gears, Rossler trans, Neil Chance 4000 stall, M/T ET streets, 10.914@ 121.90mph, 1.452 60ft. GMHTP November 2010 Feature Car. Check it out at:
https://www.motortrend.com/features/...ebird-formula/
http://www.youtube.com/watch?v=abZ1z...ature=youtu.be
95 Pontiac Formula- Stock engine with ATI Procharger, Moser 12 bolt w/4:30 gears, Rossler trans, Neil Chance 4000 stall, M/T ET streets, 10.914@ 121.90mph, 1.452 60ft. GMHTP November 2010 Feature Car. Check it out at:
https://www.motortrend.com/features/...ebird-formula/
http://www.youtube.com/watch?v=abZ1z...ature=youtu.be
Number 7 has an issue because of the way our manifolds are designed (not designed for boost). The incoming boosted air dose not get dispersed well. Most of the air rushes into the manifold, and hits the back of the manifold, and gets directed to the #7 cylinder. So that cylinder runs leaner than others, and hence the reason its the first to go on a stock motor.
This is also why the tune is important, you need to make sure there is enough fuel going to it, while keeping in mind that the #7 will (because of the design) run leaner
My tuning is this friday, I'm on the stock bottom, I should be over 500HP to the wheels. Depending what it puts down, ill be putting a meth kit on it for added safety.
And i should mention with all that I am already saving for a new short block, as stated earlier, its not "if" its gonna go, its "when"
Thanks...
--Mike