I have a 350 TBI motor in my 91 S10 pickup, and am looking for some more power. I already have the edelbrock intake, tbi spacer, cam (204/214 at .50) open aircleaner with K&N, and headers. What else could i do to get this thing to really scream? Could anyone here burn me a custom chip?

thanks
nate

 

You have lots of options and I hope you've already played with the fuel pressure. A larger bump stick will usually require some tuning so as not to run lean at WOT.

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, Jon (350 TBI!)
91 Red My website

 

Yeah, i just installed a AFPR two weeks ago, it helped out quite a bit actually, but i need some more HP! I wanna run 13's for sure.

nate

 

have the intake bored to fit a 670 holley TBI or a 454's TBI. If that doesn't do it then its time for a new intake.

 

What is your compression ratio, what heads are you running?

Also, since you do not have a chip, bump up the timimg. Actually while your at it get a hot coil and also bump open the spark plug gap.

How well does your exhuast flow behind the headers?

Are you running the stock TB, if so have you done all free mods to it?

Hope this gives you some ideas,
Jordan




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1990 Iroc
Canadian Iroc (305 TBI)
-14x3 open element, K&N
-Accel: Coil, Wires, Cap&Rotor
-B&M stage 2 shift Kit
- 4 255/50/ZR16 BFGoodrich Comp TA's
-Hypertech chip, low temp thermostat and fan switch
-1.6 ratio roller rockers
-3" exuast: High flow cat, meanstreak muffler, dual 2.5" outlets
-Holley projection Manifold
-670 Holley TBI.

 

okay,i just bought a jacobs coil today, and am gonna get a MSD 6AL soon. I havent installed the headers yet, but I am gonna run true duals with flowmaster 40 series mufflers.

I'm running the stock heads from a 91 suburban, (thats what the motor is from)and I'm not sure what my compresssion ratio is.

Also, what do you mean by free mods to the TBI? the only thing i've done to the throttle body is added the AFPR.

thanks
nate

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1991 Chevrolet S10, 350 TBI/ TH350

 

Well it depends on how much money you wanna dump into it. If you want some decent HP for fairly cheap, I would get a Vortec intake and a set of cast iron Vortec heads, I hear they make good power for the price. If you got the extra money, you might wanna get a more expensive set of aluminum heads, like maybe Edelbrock or something, I dunno how wild you wanna make it so I really cant say much.

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Teal Green 91 Camaro RS
305, Automatic Tranny
Stock for now

 

theres a few mods that come to mind , ti replace for more power, stock tbi unit, heads ( either aluminum heads or iron vortecs with the matching intake) and the rest of the exhaust. After you have that work done, then you will want to get a custom chip burnt for you .

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91 camaro RS
- 305 TBI
Mods: Performer TBI intake, 1" TBI spacer, K+N, jet fan switch ,160 thermo,Accel control module, Jet Stage 2 chip, edelbrock TES headers, Compleate 3" Flowmaster exhaust, Edelbrock springs, KYB struts and shocks, 700R4 built by TSI, SLP tq converter, b+m trans cooler, white guage faces, megashifter..
next month: spohn LCA's and panhard rod, BMR relocation brackets,posi 323 , lt1 cam and new valve springs

 

Could anyone here burn me a chip? I don't have any experince in this area, and really would like to reap the benefits of having one. What kind of information would i have to let you guys know about my motor?

thanks
nate

 

Hey, NAte. My Father-in-law is thinking of selling his S-10. That is one small truck for a 350!!! His has like 12k miles on it, 95 I think. really small truck, 2wd 4 cylinder. A 350 in that with tubbed rear with N50's = nice!!!

[This message has been edited by fast_broker (edited October 23, 2001).]

 

Yeah..they are lots of fun for sure..I just havent seen what my truck can do yet because i blew my 700r4 up...I'm now putting a TH350 in there.

nate

 

Don't do it! Keep the 700R4 but have it built properly. They work fine. I was scheptical too but now I am a believer... Plus, you can keep nasty gears in it and get ok mileage.

Would you rather have 5.13 rear gears or 3.55??? That's the difference a TH700 makes over the TH350 in OD!!! ie, run 5.13's with the TH700 in OD and acts like a TH350 with 355's in Drive!!! BUT the 5.13/TH700 COMBO WILL HAVE 75% off-the-line advantage in gearing, from rear gear difference and from the difference in the tranny 1st gear numbers!!!! (5.13/3.55*3.06/2.52)Tire/suspend the truck appropriately and you will not be beat... My .02.

TH700 has 21% advantage in 1st gear all by itself!

[This message has been edited by fast_broker (edited October 24, 2001).]

 

how much HP does a stock 305 have in an 88 camaro?

 

170, just like all the 305 TBI camaro engines....sure seems like more to me.

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1988 Camaro Sport Coupe

• 305 TBI
• 700R-4
• 14"x3" K&N Filter
• Flowmaster Cat Back System w/ 3&1/2" tips
• Y2K Origional Vette Rims
• MSD 6AL
• Blaster Coil
• Pioneer 6200 Deck
• 2 Kenwood 600 watts
• 2 Infinity Reference Subs
• Sony 3-way 6x9s in custom panels
• up to 137.0 dB
• "speed" stripes

Coming soon...4th Gen Seats

 

It seems like more until you take it to the track. My POS ran a 17.1 stock...with all the stuff I list as installed except the LT1 camshaft and without spraying nitrous I ran a 15.8.

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1992 Camaro RS (Auto) 5.0L TBI
-
Performance mods
NOS (125 HP shot), Dynomax cat-back exhaust, Hedman headers, no cat, custom high beam delete ram air w/ K&N, MSD 6A ignition, MSD 8.5mm plug wires, LT1 camshaft
Soon to be installed:
Edelbrock Perfomer TBI intake, B & M 2200 RPM stall torque converter, Trans Go shift kit, World Products Torquer heads, Ed Wright Fast Chip

Audio
Sony Xplod CDX-M610 head unit, Pioneer 2-way 4x6 front speakers, Pioneer 3-way 6x9 rear speakers, 12 inch Pioneer VCCS PRO subwoofer, QLogic sealed box, Kicker ZR360 amplifier, Lightning Audio 1 farad capacitor

Other
Macewen White Faced Gauges/Shift overlay, A-pillar gauges (Phantom oil pressure, Air/Fuel), 180* thermostat, Window Tint, chrome valve covers, xenon headlights