Last I remember back in in the IRC days of fiero meets, he was in Florida.

He had a neat cheat sheet about the speed and tire sizing for the different colour GM VSS gears.

If anyone knows where that "cheat sheet" went or can contact Pendragon about it. Could ya please forward the info to me.


David aka Capt Fiero of B.C.

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85GT 5spd ,93 Eldorado 4.9 Dual O2 Custom Chip, Archie Clutch. Custom Exhaust. MSD Everything 245/50/16's Not Your Average 4.9 Capt Fiero Com --- My Over View Cadero Pics

quote Originally posted by Capt Fiero: Last I remember back in in the IRC days of fiero meets, he was in Florida. He had a neat cheat sheet about the speed and tire sizing for the different colour GM VSS gears. If anyone knows where that "cheat sheet" went or can contact Pendragon about it. Could ya please forward the info to me. David aka Capt Fiero of B.C.

Hey Capt, I'm finally making a post here! Haven't heard from Mark in some time now but he was kind enough to send me all the info he saved, rather printed. Those IRC and list days, have I been around that long? In the stack of printed material is this email but easier still I have it in electronic format already. Archived all the lists from back in the day, knew something would come in handy for someone....

-Nicholas.

quote Date: Fri, 12 Feb 1999 04:00:26 +0000 (GMT) From: sbacker@linkny.com (Scott A. Backer) Subject: Re: (Fiero) How do you adjust the speedometer???? To: Testarossa <testarossa94@hotmail.com> Cc: fiero-list@fiero.org On Thu, 11 Feb 1999 09:18:50 -0700, you wrote: >> How do you calibrate the speedometer on the 84-87 fiero when it's going >>too fast or too slow, unmatching the actual speed???? Mine is going too fast. >>60 = about 20!!!! >> With the drive gear and driven gear that turn the VSS: DRIVE DRIVEN GEAR GEAR TIRE SIZE AXLE TRANS (NUMBER OF TEETH) ---------------------------------------------- 1984 185/80R13 3.18 MD9 A(10) P(30) 195/70R14 3.18 MD9 A(10) P(30) 215/60R14 3.18 MD9 A(10) Q(31) 185/80R13 3.32 MY8 B(35) O(30) 195/70R14 3.32 MY8 B(35) N(29) 215/60R14 3.32 MY8 B(35) O(30) 185/80R13 4.10 M19 B(35) O(30) 195/70R14 4.10 M19 B(35) N(29) 215/60R14 4.10 M19 B(35) O(30) 1985 185/80R13 3.06 MD9 A(10) P(30) 195/70R14 3.06 MD9 A(10) P(30) 215/60R14 3.06 MD9 A(10) Q(31) 185/80R13 3.18 MD9 A(10) P(30) 195/70R14 3.18 MD9 A(10) P(30) 215/60R14 3.18 MD9 A(10) Q(31) 185/80R13 3.35 MT2 C(35) N(29) 195/70R14 3.35 MT2 C(35) N(29) 215/60R14 3.35 MT2 C(35) O(30) 185/80R13 3.65 M17 B(35) N(29) 195/70R14 3.65 M17 B(35) N(29) 215/60R14 3.65 M17 B(35) O(30) 1986 185/75R14 3.06 MD9 A(10) P(30) 215/60R14 3.06 MD9 A(10) Q(31) 185/75R14 3.18 MD9 A(10) P(30) 195/70R14 3.18 MD9 A(10) P(30) 215/60R15 3.33 MD9 A(10) P(30) 185/75R14 3.35 MT2 C(35) N(29) 195/70R14 3.35 MT2 C(35) N(29) 185/75R14 3.61 MG2 B(35) N(29) 215/60R14 3.61 MG2 B(35) O(30) 215/60R15 3.61 MG2 B(35) N(29) 185/75R14 3.65 M17 B(35) N(29) 215/60R14 3.65 M17 B(35) O(30) 215/60R15 3.65 M17 B(35) N(29) 1987 185/75R14 2.84 MD9 A(10) O(30) 195/70R14 2.84 MD9 A(10) O(30) 195/70R14 3.33 MD9 A(10) O(30) 215/60R15 3.33 MD9 A(10) O(30) 185/75R14 3.35 MT2 C(35) N(29) 195/70R14 3.35 MT2 C(35) N(29) 185/75R14 3.61 MG2 B(35) N(29) 195/70R14 3.61 MG2 B(35) N(29) 215/60R15 3.61 MG2 B(35) N(29) 1988 185/75R14 2.84 MD9 A(10) O(30) 195/70R14 2.84 MD9 A(10) O(30) 195/70R14 3.33 MD9 A(10) O(30) 215/60R15 3.33 MD9 A(10) O(30) 185/75R14 3.35 MT2 C(35) N(29) 195/70R14 3.35 MT2 C(35) N(29) 185/75R14 3.61 MG2 B(35) N(29) 195/70R14 3.61 MG2 B(35) N(29) 215/60R15 3.61 MG2 B(35) N(29) RPO Part no. Color code D4N GEAR, SPEEDOMETER DRIVEN (N) 29 TEETH 10041031 (RED) D4O GEAR, SPEEDOMETER DRIVEN (O) 30 TEETH 10041032 (PURPLE) D4P GEAR, SPEEDOMETER DRIVEN (P) 30 TEETH 25519845 (BLUE) D4Q GEAR, SPEEDOMETER DRIVEN (Q) 31 TEETH 25519846 (WHITE) D9A GEAR, SPEEDOMETER DRIVE (A) 10 TEETH 8632646 (GREEN) D9B GEAR, SPEEDOMETER DRIVE (B) 35 TEETH 14047637 (NATURAL) D9C GEAR, SPEEDOMETER DRIVE (C) 35 TEETH 94408341 Scott A. Backer sbacker@linkny.com

Awesome and Thank you. I have unfortunatly came to the conclussion that I am going to have to replace the entire tranny due to the drive gear in the tranny.

VSS works great, spin it with a drill and the speedo and ECM see spead, but put the VSS in the tranny and no more speedo. So we can only assume that the dive for the VSS inside the tranny is broken or of some other problem.

I am at this time looking for tranny #7 for this car. This time I think is going to have to be a getrag.

Do or he think anyone will care if I revive this and put it back on the net.

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85GT 5spd ,93 Eldorado 4.9 Dual O2 Custom Chip, Archie Clutch. Custom Exhaust. MSD Everything 245/50/16's Not Your Average 4.9 Capt Fiero Com --- My Over View Cadero Pics