its 305 speed densitiy tpi...
we're going to the track tomorrow and need info because it bounces off the limiter


(btw its not my car)

------------------
17 from Wichita, KS (previously newbieZ28)
1988 Iroc-Z ZZ4 tpi, ttops, 50k miles on chassis (edelbrock tes, stock tpi) free mods etc coming soon after first 1/4 times!
1985 Z28 LB9 option [STOLEN!] Click here to see

http://thirdgen.bawx.org
K.I.S.S - Keep It Simple, Stupid.

 

Unplug the VSS sensor from the back of the transmission? It'll kill the speedo, but the track's timeslip will get you the speed info.


------------------
-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
---Think your car could be pic of the week? Visit http://www.f-body.net for details!

 

It's trap speed shouldn't be high enough that you need to worry about the limiter, unless it's a 12 second car.

------------------
91 Trans Am WS6
Bright White
5.0 TPI auto
Flowmaster 3" 2 chamber catback
Trans Go shiftkit
2000 stall converter

supposed 'peanut cammed' car (yeah, right)

Built on Wednesday

 

It's trap speed shouldn't be high enough that you need to worry about the limiter, unless it's a 12 second car.

hehe its called 2.73 to 3.73 and no speedo swap..

 

any other ideas besides unplugging the vss?
like permanent and the speed limiter would still work..

 

Umm, this is for TBI cars, but I imagine there some what the same. You'll have to do a bit of research though. There is a tech article on this board, about removing the speed limiter for a TBI f-body.
www.thirdgen.org/newdesign/tech/unlimited.shtml


[This message has been edited by Godti (edited November 03, 2000).]

 

yep i read the article... i was wondering if its the same for tpi though..

 

There's nothing else you can do, besides changing the speedo gears in the trans, or getting a new PROM without a speed limiter in it. Your only temporary solution is unplugging the VSS from the trans while at the track.

------------------
1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.25 @ 107.18 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-

 

I don't know. There is differences in the wiring harnesses, but Im not sure exacly what they are.

 

if he unplugged it before we left for the track would it be bad? would it go into tcc lockuP?

 

The car would run like crap, because speed density needs to know the speed of the car to operate properly in closed loop operation. So no, it wouldnt lockup the torque converter properly. I would only remove the speedo at the track. The computer doesnt care about speed at WOT.