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

Injectors and a tune...need help

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Old Jun 29, 2010 | 10:24 PM
  #1  
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Default Injectors and a tune...need help

Ok well I had posted a while back that I took my car to the track and it ran 11s all motor however it was falling flat on its face at around ~5600.. well I was finally able to talk to the original owner of the car and found out its on stock injectors and a mail order tune??? He said the guy told him that stock injectors will handle 500hp and not to worry about it...the mods are as follows tell me what you guys think...

Setup
TEA CNCd heads 55cc chambers, 2.0 intake valves, 1.56 exhaust, dual springs, comp LT1 3315s/3316s cam (.544/.554 230/236 112LSA) 1.6 Rockers
Heads flow
.6000 229.1 263.5

355 bottom end (eagle crank, rods, Ross pistons)
11.1 compression
Ported intake
Holley 58mm Throttle body w/ K&N intake
Hooker LT to ORY through a Magnaflo bullet and dumps before the axle
Electric Water Pump

Th350 Tranny with 275 low gear
PTC 3600 converter
Full manual valve body (NO Trans Brake)
Moser 12 bolt 4.10 gears
Weld Prostars MT 28x10.s full slicks
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Old Jun 30, 2010 | 12:09 AM
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Are you asking what size injectors?

Red tops should be fine, but hell yes stock ones are going to be maxed out.

If you have a way of datalogging you could verify this.

I would find something in the 36lb range IMO
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Old Jun 30, 2010 | 12:31 AM
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36 or better you will need for that setup
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Old Jun 30, 2010 | 01:19 PM
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Yes I am asking about what size injectors you guys think i should run....

Also would that be the reason that the car is flattening out at 5600 instead of turning to 6500?
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Old Jun 30, 2010 | 02:30 PM
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could def fall on its face without fuel. I also say 36s or 37s would be perfect, of course with a new tune. What are the numbers in your sig?? On spray??
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Old Jun 30, 2010 | 02:50 PM
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30 pounders
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Old Jun 30, 2010 | 02:56 PM
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42 on my end
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Old Jun 30, 2010 | 05:38 PM
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the numbers in the sig are on a 150 wet shot..stock injectors and a mail order tune

Fastfatboy - why do you think 30lbs?

If i go with 36s cant i tune them to run right?

THanks
Matt
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