I recently got a great deal on a set of 30# SVO Injectors but am wondering if they may be too much. I'm running a 355 w/ Sportsman II heads, 9.5 to 1 compression, 58mm TB, Edelbrock runners & base, ported plenum and a moderately healthy cam. This set-up was in the car when I bought it but still has the 19# injectors in it and significantly leans out in upper RPMs. I've heard that it may load up at idle w/ the larger injectors but would appreciate them in the upper RPMs. I'm currently having a chip custom burned but am becoming concerned that these may be too large. I'm planning on a larger engine set-up sometime this summer w/ a bigger cam, etc too. Any thoughts?

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'91 Z28 1LE; 355, Sportsman II heads, Edelbrock TPI w/ 58mm TB, Tremec TKO 5-speed, 3.73's & much, much more

 

If you program the chip for them they will be OK, just remember with something flowing that much you need more fuel, but you also need that custom chip to prevent them from flooding at idle.
Sounds like you got a nice set up. Good luck

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FOR SALE!!!!!!!!!!!!!!!
86 Trans Am 355 TPI Rebuilt 700R4 with Corvette servo, modified valve body, and a B&M Torque Converter (2000 rpm stall w/ lock up), 87 350 block bored .30 with new crank. Reworked 305 heads with 3-angle valve job. Added in the rebuild was an SLP TPI cam, BBK 58mm Throttle Body,MSD 6A, Hypertech Power Coil,MSD Wires, 1.5 Crane roller tipped rocker arms, SLP Intake Runners and Port matching in upper intake including fully ported plenum, TPIS adjustable fuel pressure regulator @ 46psi, Hooker shorty style headers w/ Thermotech heat wrapping, Custom 3” exhaust with Flowmaster muffler and chrome quad tips, Hypertech Thermomaster Computer chip, K&N open element cone filter on modified MAF per TPIS specs, removal of A/C hardware and added a 1LE firewall cover installed. Also there has been a PST front suspension kit with Hotchkis strut tower brace added.
Stereo has 2 Clairion Pro Audio dash plates, 2 Sony 6X9s, 2 Kicker 12's in a custom Carpeted box with a custom amp rack Holding 3 MTX 280 Amps, and a MTX electronic Crossover all wired with EFX cable.
Asking $4200 with all extra Parts that are needed to fix most apearance flaws. ie Complete hatch and wing from a 91 GTA
http://geocities.com/feltsb/kyle.html
Kills:
95 Talon TSI, 96 Probe GT, 91 T/A L98, 89 RS, 86 Mustang GT, 88 Mustang LX 5.0, 92 Thunderbird V8. couple or ricers that I think were Civics or Preludes not sure what year, 95 Celica GT-S, 94 Chevy 1/2 ton 350, one of those NASCAR F150's

89 Turbo 3.8 All stock 43,000 miles #1053 of 1555

 

I have some brand new 24lb injectors Ill trade you for the 30lb'ers. Let me know. I need more fuel.

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L98, 3.27 9-bolt, Hooker shorty headers, custom 2.5inch Y-pipe, no cat, 3inch 2chamber flowmaster, JET AFPR, Ported MAF, Best ET: 13.86 @100mph. 1.99 60'
17 inch ROH "ZS" wheels. 17x8.5(front) and 17x9.5 (rear). Firestone Firehawk SZ50s. 245/45/zr17s and 275/40/zr17s. T56

On the way... Radar Blue 89 Formula, T56, Ram Jet 430, Ram Air, 17inch ROHs.

 

30# injectors are pretty big for a TPI motor unless it's supercharged or using dry nitrous.

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87 Formula 350 13.94@96.67
98 Z28 1LE 13.15@107.59
1LE Owners Association

 

I agree with 98 1LE, 30#s are too big and 24#s would be a better match IMO.