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Old 02-28-2004   #1 (permalink)
coupe93 is offline Apprentice

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Meaford   Ontario
Default Injector size question?

I've just recently purchased a Zex dry 75-125 kit with automatic bottle opener and I'am about to install it. I've read quite a few posts here and now realize that I may be under injected. My current set-up has the 24lb injectors but in reading almost all the posts in this field, I now realize that 30lb are what's required for this set-up with the nitrous kit.

I've done an engine analyzer on another site and it said that my existing hp of (estimated) 353hp that 30lb injectors would be over injected, but with the juice I estimated around 425hp with the 75 shot, and the same 30lb injectors would be OK.

What's the best way to set this application up? And can I use the existing 24lb injectors?


Confused

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1993 LX Coupe
TFS heads ported,Cobra intake ported,Zex dry 125hp ,Crane 1.6 rollers, FMS 65mm TB, FMS 30 lb injectors, Kirban regulator, C&L 80mm MAM , Speed Pro 496-510 Cam, Black Magic electric fan, Mac exhaust, Mac underdrive pulleys, FMS 3:55 gears, K B Sub frame connectors, Mega Bite jr. control arms, Weld drag lite 3.5" front and 8" rear.
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Old 03-01-2004   #2 (permalink)
mstng_ray is offline Rookie


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reno nv.
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I KNOW GUYS THAT RUN 125 SHOTS WITH STOCK INJECTORS, SO I THINK 30LB. ARE PERFECT.
BUY THE WAY, NICE LOOKING LX
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Old 03-01-2004   #3 (permalink)
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Default

Ahh, another fellow stanger with impeccable taste hehe. I think I 'll go with the 30lb injectors just to be on the safe side. I suppose it's better to be on the rich side rather lean side when it comes to fuel/nitrous and detination. I guess it's a pay me now or pay me a lot more later thing. Thanks
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1993 LX Coupe
TFS heads ported,Cobra intake ported,Zex dry 125hp ,Crane 1.6 rollers, FMS 65mm TB, FMS 30 lb injectors, Kirban regulator, C&L 80mm MAM , Speed Pro 496-510 Cam, Black Magic electric fan, Mac exhaust, Mac underdrive pulleys, FMS 3:55 gears, K B Sub frame connectors, Mega Bite jr. control arms, Weld drag lite 3.5" front and 8" rear.
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Old 03-12-2004   #4 (permalink)
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you could do it with 24 lb injetors.
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Old 03-12-2004   #5 (permalink)
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Quote:
Originally posted by crazycarnut
you could do it with 24 lb injetors.
Agreed! You are wasting your cash buying larger injectors with your setup.
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Old 03-14-2004   #6 (permalink)
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just make sure you have a FPR so you dont run to lean.
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Old 03-22-2004   #7 (permalink)
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Thanks all, I appreciate the advise. I have a dyno session booked. I'll see how it looks with the 24's first before I upgrade.
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1993 LX Coupe
TFS heads ported,Cobra intake ported,Zex dry 125hp ,Crane 1.6 rollers, FMS 65mm TB, FMS 30 lb injectors, Kirban regulator, C&L 80mm MAM , Speed Pro 496-510 Cam, Black Magic electric fan, Mac exhaust, Mac underdrive pulleys, FMS 3:55 gears, K B Sub frame connectors, Mega Bite jr. control arms, Weld drag lite 3.5" front and 8" rear.
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