LT1-LT4 Modifications 1993-97 Gen II Small Block V8

what size injectors for 383

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Old Jul 9, 2008 | 10:56 PM
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From: DeLaWaRe
Default what size injectors for 383

Would stock injectors be ok for a 383 motor with a cc306 cam....or would i want to go bigger and if so what would u guys say would be good size to go with....Also is the stock ported tb aright as well...i will be hitting this with up to 150 shot
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Old Jul 9, 2008 | 11:09 PM
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Ford SVO 30 lb are very common in 383

bored 52 mm TB is fine

get a walbro 255 fuel pump
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Old Jul 9, 2008 | 11:20 PM
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i was just looking at the svo #30s...there like 275 brand new does that sound about right......i was also looking at the welbro 255 fuel pump for the N20 as well
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Old Jul 9, 2008 | 11:38 PM
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I run 36 #'s in mine. I'd rather have enough injector there the first time then to max a set out then have to buy another. And mine will be receiving the bottle here shortly. Just as soon as my new cam comes in. And I don't recommend running the cc306. Look into having a custom ground cam for your specific setup. The price difference is worth the performance gain.
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Old Jul 11, 2008 | 10:57 AM
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We have the new style Ford SVO 30 lb injectors in stock , they work very well and are a direct fit . You can order them here www.neweraperformanceparts.com for $279 .
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Old Jul 11, 2008 | 11:03 AM
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i would/have ran lucas 36ib and a 58mm throttle body as long as the intake manifold is ported to a 58mm if not its pointless.... oh ya and a 255 walbro pump

brand new shipped lucas 36ib injectors are like 280 shipped and there the best you can get in my opinion.
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Old Jul 11, 2008 | 11:06 AM
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The most important thing hasn't even been asked yet, is this going to be a 150 shot dry or wet? If dry then what everyone previously has mentioned would not apply, your going to need more. If wet then some 30's would be the lowest I would go and you should be fine with. Sure you could grab some 36's or even 42's and have more than you need which would be ok if you have the computer tuned for them with the only downside of being the extra cost for the larger injectors. Look into the Racetronix LT1 Pump Kit, it uses a Walbro 255 pump, but is known to be the best out there so check it out on there site.
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Old Jul 11, 2008 | 12:54 PM
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Originally Posted by StealthFormula
The most important thing hasn't even been asked yet, is this going to be a 150 shot dry or wet? If dry then what everyone previously has mentioned would not apply, your going to need more. If wet then some 30's would be the lowest I would go and you should be fine with. Sure you could grab some 36's or even 42's and have more than you need which would be ok if you have the computer tuned for them with the only downside of being the extra cost for the larger injectors. Look into the Racetronix LT1 Pump Kit, it uses a Walbro 255 pump, but is known to be the best out there so check it out on there site.
+1

I've got 42# SVOs and the Racetronix kit
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i wouldn't run any less than 42lb injector in a 383, for tuning purposes.
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Old Jul 11, 2008 | 01:44 PM
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I run 42lb greentops
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Old Jul 11, 2008 | 03:23 PM
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it will be 150 wet shot...sorry didnt say that before....and would a ported stock tb be ok???????

Last edited by th3brandon; Jul 11, 2008 at 03:32 PM.
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Old Jul 11, 2008 | 10:01 PM
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go with 42's that way you got some breathing room!
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