ok being i have all this work what color top injectors do i need.
2.6 pulley on m45, i am bored .020 over
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also i am a 01 z24 so do i need low indepenance or high independance?
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And you have 9:1 for a compression ratio. if you have the 32Lbs that came with the kit i would say get some
RC 52Lbs with the rc clipsThat way you are covered for any other little power adders "niotrusor upping the compression" just get a good tune with hptuners.
what about ford red tops?????
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I don't know about them some else has to chime in about those.
ok i think i am going with ford green tops..... if i happen to buy 8 will anyone be interested in buy the other 4 off me???
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I was able to maintain a 12:1 a/f ratio with no knock with the 2.5" pulley on a 9.7:1 CR stock 2000 2.4 LD9 engne. I was seeing a little under 10psi.
If you run the CR numbers for your setup before and after, here's what you find out:
Before build (Stock 2k+ LD9 engine):
Bore: 3.54"
Stroke: 3.7"
Engine VE: 90% (assuming roughly a 3000rpm situation)
Standard Compression Ratio: 9.7:1
Boost Pressure: 10psi
Theoretical Compression Ratio Under Boost = 14.16:1
After build (.020 overbore with 9:1 CR pistons)
Bore: 3.56"
Stroke: 3.7"
Engine VE: 90% (assuming roughly a 3000rpm situation)
Standard Compression Ratio: 9:1
Boost Pressure: 10psi
Theoretical Compression Ratio Under Boost = 13.10:1
If you take into consideration having the 2.6" pulley before you performed the engine rebuild as well as the fact that the Eaton M45 s/c tops out at roughly 300cfm give or take, you're actually going to be losing horsepower. Why? Well, having a lower compression ratio doesn't help anything if the forced induction unit can't flow more than it already is.
Therefore, you will be absolutely fine with your gm s/c injectors. There's no need to upgrade since I was able to maintain proper fuel with a stock engine and nearly the same spec supercharger.
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well when it was tuned last for the 2.7 pulley the car was going lean over 5k rpm's it was something like 13:1 and up. at any rate
if u are suggesting that the supercharger can only flow so uch, then a ported supercharger should flow more. has anyone bench tested one of these ported superchargers?
i am going to port mine when i do the 2.5 pulley
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I think you will be just fine on the 310cc that came with the kit.
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