Ok, the car in the signature is the one i'm talking about. It has the accell 58mm throttle body. The TPS appears to work if i manually open the throttle blades by hand. Voltage goes from .54 to 4.xx without any problems. Ok, well i ran a trial with diacom. I mash the throttle, the car doesn't seem to pick up as it should. I later noticed that the TPS voltage is reading 2.xx volts instead of something in the neighborhood of 4.xx something. When i push the pedal down the springs seem to work ok on the throttle body itself. But for some reason the accelarator cable doesn't seem to open the throttle body completely up. Could it be the cable itself? or the spring on the throttle body has too much resistance?

Keep in mind that the car has a super ram so could the cable be in a bind? The car has a T5 also.

Thanks,

Brendan

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1987 IROC-Z L98,SuperRam,EB 6085's,LPE 219/219 Roller, Crane 1.6RR, EB TPI Base, 58mm TB, ADS 24#, AFPR, K&N, EB TES, Catco Cat, 3" Borla Cat-Back, Accel cap,rotor,distro/other crap, MSD 6AL, MSD Blaster 3, Aluminum DS, 94 Disk Rear, Adjustable Valve, Precision 3.73 Gears, Sub-Frame Connectors, Hotchkis Lower Control Arms, KYB Shocks/Struts, Suspension Techniques Lowering Springs, Polyurethan Bushings all over the place, Moog Upper/Lower Ball joints and Tie Rods ends/Idler Arm,

To see the ROC, Check out the webpage Here

 

Is the cable adjusted to the right length, or hooked up right. It could be in a bind, either way, it sounds like a TV cable to me.

Later,
Jesse

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85 Z28, 305 TPI A4
pretty stock with a few toys
15.2@91mph
http://photos.yahoo.com/j_hougnon

http://screamindeamin.cz28.com/images/jesse/

 

Come on man, for crying out loud! This is a "NO" brainer. Remove the ducting from the TB and have somebody mash the gas and see if the blades are opening all the way.
Some people drown in a glass of water!
Rick

 

I think this thread has just what you need. J/K around.

https://www.thirdgen.org/messgboard/...ML/006540.html

 

Brent, funny ;P
but i never had a floor mat anyways

 

So, you have manually checked the opening of the TB to see that the TB opens fully and the TPS voltage goes smoothly from 0.5xV to 4.xxV. Thats step one.

Next, have someone sit in the drivers seat and slowly press the gas pedal to the floor. A second pewrson watches the TB. The TB should open slowly & smoothly and the TB plates should be horizontal when the gas pedal hits the floor.

I have the SR also. The accel cable takes a high loop over the corner of the SR to the proper hookup point on the TB.

Are you hooked up to the right place on the TB with the accel cable? I'm only suugesting this because there are 2 or 3 hookup points.
One is for the Auto tranny kickdown cable which you dont have because you have a T5.

Anyway, I hope this helps.
Doc




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'87 L98 TPI IROCZ, AFR190 heads, 3.70 gears, ZZ9 cam, 2400 Art Carr TC, SLP 1 3/4" headers, SLP cat-back, no cat, no AC, no MAF screens, Accel manifold base & SuperRam, 24#/hr SVO injectors, Edelbrock double roller timing chain, MSD ext coil & distributor, trans cooler, 52mm TB with airfoil, TB coolant bypass, AFPR(58psi), K&N filters, Hotchkis lowering springs, my custom chip, Lay Ind. ram air kit, SS Brakes 1LE upgrade 12" rotors dual piston calipers, 265/45R16 Kumho V700 tires.
ET 13.39sec @ 107.21mph
'90 Eagle Talon AWD, no rust thru 9 winters
'99 Camaro SS, red, 6-spd, T-tops, Mcleod clutch, Pro 5.0 shifter, MAF processor, Direct Flow airlid, K&N filter, next mod: 4.10 rear gears
313.7Hp & 320.6ft-lbf, ET 13.55sec @ 105.1mph

 

Doc and everybody else that replied,

I just had my Brother help me check the accelrator cable. He mashed the gas and it appears to be opening. I wonder if the Diacom run i did wasn't real accurate. Everything under the hood looks good. I'll do some more research to see.

Thanks everybody,

Brendan