If anyone knows what I'm talking about. Aperently my Converter is not the problem. I replaced my Cat with a straight pipe,It sounds a lot better at idle, but she still falls on her face during acceleration??? I can hear the carb suck way too much air, and it shifts at at too high of an RPM making the 1-2 shift really hard and uncomfortable.
Any suggestions??????????

 

Fuel filter?

Time to rebuild the carb? *shrug*

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89 iroc-z 305 tbi
k&n filtercharger, open element air filter. nuffin' else

 

The shifting is most likely due to your TV cable being out of adjustment. Checkt the tranny board and look for similar posts about shift points and follow transfixleo'l guide to adjusting the cable.

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"Rice burners are like tampons...Every pu$$y has to have one"
'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat
3:73 Posi
Rebuilt 700R4
B&M Megashifter, 5" Autometer Tach w/shift lite

 

Are you sure the tranny isnt slipping? If not that have you had checked the timing? By too much air do you mean its sucking a lot of air? You may have a fuel problem. You may be running lean, maybe a clogged fuel filter or bad pump?

 

The high shift point could be the problem. How many rpm are you talking about? Past your peak rpm, your HP may fall flat on it's face quickly.


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350 with stealth intake, holley carb, 470 lift cam. 700r4 with .5 boost valve, vette servo, tci lock-up kit, B&M megashifter. Richmond 3.73 gears, powertrax locker, timkin bearings, synthetic lube. Custom 3 inch single into 2 2.5 pipes. 1 1/2 drop springs, 1 5/16 solid front sway bar, 1 inch rear bar, custom subframe connectors, custom LCA relocation brackets. Kobel ground FX, currant red metallic paint. Lots of other stuff...
82camaro

 

It sounds like your engine may have gone lean, fuel-wise, after pulling the cat. If it is a QJet carb, try richer rods like DRs. If it still bogs go to a G hanger and then a B, if necessary.

 

Tranny could be slippin.... timing chain could bemessed up, fuel filter could be clogged, carb might be toast?

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1989 Chevrolet Camaro IROC-Z
L98 - 350c.i. TPI, rebuilt 700R4 auto w/shift kit, Dual catalyst Monza PaceSetter Cat-Back, SLP 1 5/8 Coated Headers, 3.23 Posi rear, Hypertech chip with 160stat, MSD 6A, Under-Drive pulleys, AFPR, K&N's, !Air Box w/ Ram Air, moddified MAF, !TB Coolant, Spohn Dual Cat SubFrame Connectors, Alarm, Keyless entry, remote starter, 92 Z28 AeroWing, Brand New Paint (6/21/01)

Future: ZZ4 TPI w/EGR, T56, 3.42 or 3.73, Spohn strut tower brace and LCA's, Accell 24# injectors

1989 Chevrolet Celebrity Eurosport <--DEAD AS OF 9/20/01
2.8 MPFI, no mods
225,000 miles and still ticking!

More info and pics on my webpage:http://go.to/iroc-z

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