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What is the correct TPS voltage at idle (850 rpm's)?

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03-24-2003, 06:05 PM

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What is the correct TPS voltage at idle (850 rpm's)?

WHat is the correct voltage or voltage range for a 1991 Z-28 TPI 350 at say arround 750-900 rpm's? Right now mine is sitting at .47

Mike

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1991 Z-28 (Black - Hardtop) 355ci TPI/SLP, Ported Vortec heads, Comp XR276HR-12, Hooker 2210 Longtubes / custom 3" Y-pipe with 3 1/2" mufflex cat-back, Borg Warner T-56, PROM tuned by me!, 3.73's, Hotchkis suspension, custom high-flow lid and ram-air, ALL the bolt-ons, custom Boyd Coddington "1bad91Z" Billet Wheels.

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03-24-2003, 10:22 PM	#2
Scott 88 GTA Member Join Date: Jul 1999 Location: McKinney, TX Posts: 404 Car: 88 GTA Engine: modified L98 Transmission: 700r4 Axle/Gears: 3.27 9-bolt Classifieds Rating: (0)	The stock TPS setting for the throttle in the closed position (idle speed doesn't matter, that's controlled by the ECU) is .54 V. __________________ Black '88 GTA L98 271 RWHP, 344 RWTQ 13.406 @ 103.72 MPH

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03-24-2003, 10:22 PM

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		Third Generation F-Body Message Boards > Tech Boards > TPI
What is the correct TPS voltage at idle (850 rpm's)?

« Vortec..SDPC Intake.... 1st tests are in... | What to Do?? »

1999, 57, correct, rpm, tps, voltage, vortec

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