What size injector do I need for a 383?
I'm having a 383 L98 built. It will use the superram intake.
What size injector do I need to purchase? What brand? How much should I look to spend? I asked the guys at pcm for less how many lb injectors they recommeded and they said 24lb should be fine. Is that in agreement here? Any particular brand? What's the problem with going with too large of an injector - example--- 30lb? |
what about these injectors?
looks like ~$230 for a set of 8. Do I need high impedance or low impedance with the L98? http://www.jegs.com/webapp/wcs/store...10002_55253_-1 |
What heads? cam? exhaust combo? compression ratio?
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Originally Posted by TM-96CE
What heads? cam? exhaust combo? compression ratio?
compression ratio = 10.1 cam = 224,232 @50-- 114 LSA, (1.6 rockers as well) Hedman elite headers, no cats, true dual exhaust, Borla xr-1 mufflers. link to build here. http://forums.corvetteforum.com/show....php?t=1539561 |
I would look into the SVO 30# injectors.
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Consult with the tuner before purchasing the injectors. You will likely get split opinions to the 24 vs the 30's. I am running 24's on a similar combo.
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I have Ford 30 pounders in mine. Its a 383 stroker with 220 heads, Superam base and top. Mild custom ground cam, 1.5 rolling rockers, and full headers. I just installed a Dewitts radiator because car would overheat on hot days with the 383. Oh i forgot. I got a custom burned chip from Fastchip.
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Originally Posted by Pete K
Consult with the tuner before purchasing the injectors. You will likely get split opinions to the 24 vs the 30's. I am running 24's on a similar combo.
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Originally Posted by zo1boy
I have found the same thing. At what point does everyone agree that 30# injectors are the way to go?
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Probably 30's but you should talk to whomever is tuning it first.
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Originally Posted by Pete K
I have run the ford 24's since 1993 with no troubles. Quality injector at a fine price.
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Originally Posted by zo1boy
Are you running svo's?
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If your tuner said #24's go with them. I had #28's but my tuner said they would be maxed out and I should go with #30's. So that's what I went with, Ford #30's. The Lightning has #60's because the tuner for that said they would be better than the stock #40's. Both seem to run pretty well.:cheers:
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Originally Posted by Archaea
What's the problem with going with too large of an injector - ?
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is SVO a injector brand?
or is it a vendor shop? link? is there a injector in the middle? say a 26lb or 28lb that would be better? Why do most people jump from 24 to 30? |
Originally Posted by Archaea
is SVO a injector brand?
or is it a vendor shop? link? is there a injector in the middle? say a 26lb or 28lb that would be better? Why do most people jump from 24 to 30? I went with 30lbers in my 383, which is similar to yours. I got them for $270 brand new. Ben |
http://www.fbody.com/calc.htm
according to this link I'd need a minimum of 35lb injectors if I had hoped to make 450HP. The 24lb injectors are only good to 307HP, and I better be making more than that :) the 30lb injector is good for 384HP and I am hoping for more like 425ish HP or so. Is this tool not applicable? Go to the bottom of the link above to see the calculator. |
Originally Posted by Archaea
http://www.fbody.com/calc.htmThe 24lb injectors are only good to 307HP, and I better be making more than that :)
the 30lb injector is good for 384HP and I am hoping for more like 425ish HP or so. |
You said it was a 383 with a superram, but what else has changed, ie cam, ported heads, etc. If Alvin told you the 24's are fine, and he is going to tune it, then that is what I would use. If it turns out it needs bigger injectors, changing them and readjusting the tune is not that big of a deal.
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Originally Posted by Archaea
http://www.fbody.com/calc.htm
according to this link I'd need a minimum of 35lb injectors if I had hoped to make 450HP. The 24lb injectors are only good to 307HP, and I better be making more than that :) the 30lb injector is good for 384HP and I am hoping for more like 425ish HP or so. Is this tool not applicable? Go to the bottom of the link above to see the calculator. This can be a very heated debatable subject. Use what your tuner prefers. |
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