Do I need a new TPS for speed density?
Thread Starter
Joined: Mar 2007
Posts: 1,698
Likes: 3
From: NE Pennsylvania
Car: 85 Iroc-Z
Engine: 383 TPI Procharger D1SC
Transmission: TKO600
Axle/Gears: Strange S60 3.73
Do I need a new TPS for speed density?
I am swapping my car over to speed density. I saw a listing for throttle position sensors being different for the 90-92 cars. Will my old tps from my MAF set up work with the speed density system, or do I have to change it for the other style?
Senior Member
Joined: Mar 2014
Posts: 571
Likes: 10
From: Indy
Car: 88 IROC-Z
Engine: GEN 4 LY6 (going forged 408)
Transmission: 60E (going RPM LEVEL 6 4L80E)
Axle/Gears: 7.5" 3.42 (staying...)
Re: Do I need a new TPS for speed density?
(subbed)
(thinking of converting to the later style myself)
(thinking of converting to the later style myself)
Joined: Sep 2003
Posts: 25,896
Likes: 430
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: Do I need a new TPS for speed density?
If you keep old maf throttlebody and have map sensor tapped off plenum thru a vacuum line somewhere then no you do not need a new tps.
Thread Starter
Joined: Mar 2007
Posts: 1,698
Likes: 3
From: NE Pennsylvania
Car: 85 Iroc-Z
Engine: 383 TPI Procharger D1SC
Transmission: TKO600
Axle/Gears: Strange S60 3.73
Re: Do I need a new TPS for speed density?
I am keeping the old throttle body and did install a barb for the map sensor, so I should be good then. Thanks
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