North American Turbocoupe Organization



Kind of dumb question: How fast should I be going at 2500 rpm in 5th?
Scott Evil Offline
Senior Member
#1
EOM

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"I thought about being a veterinarian, an evil veterinarian."

1988 TC Black/Red Leather
2001 Audi S4 Silver (the fastest color)
1986 SVO 1D <19,000 miles
2001 Audi S4 Silver (the fastest color)
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Pete D Offline
Administrator
#2
I get 65 mph by the speedo, 88 TC with OEM sized tires

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88 TC X 2, 86 SVO, Main TC with K&N, 3"DP to 2.5"duals through Dynamax, Ric valve at 17+ and disconnected KS.
Elite Bodega 16" chrome wheels. Autometer pod w/ A/F and Vac/boost gauges.140 mph Motorsports Speedo New engine: Total Seal rings and TRW pistons, ported and polished head w/ cc'd chambers,1.59"exhausts, SS valves, gutted upper, knife edged lower, A-230 cam, Race Engineering Adj Cam Sprocket, Crowlers, ARP head studs, and rod bolts. Walbro 255 HP pump and Kirban adj FPR, T-3. Centerforce II, KB subs and jack rails.
Pete Dunham


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Gregg Offline
Senior Member
#3
Quote:Originally posted by Pete D:
I get 65 mph by the speedo, 88 TC with OEM sized tires

I'm a little over 65 with 255/55/16 tires...

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1987 TC 5 Speed
K&N Cone mounted on the VAM, soon to be front mounted, Disconnectd BCS
Gregg
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Scott Evil Offline
Senior Member
#4
Thanks, guys. I am a little over 70. Not stock wheels though.

------------------
--------------------------------------------------
"I thought about being a veterinarian, an evil veterinarian."

1988 TC Black/Red Leather
2001 Audi S4 Silver (the fastest color)
1986 SVO 1D <19,000 miles
2001 Audi S4 Silver (the fastest color)
Reply

Pete D Offline
Administrator
#5
I checked the project TC with 235 X 55 R16 and the 140 speedo and it gives me about 69 mph @ 2500. It was off about 2-3 mph at 35 mph with the stock and the 140 speedo as measured by those radar speed signs.

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88 TC X 2, 86 SVO, Main TC with K&N, 3"DP to 2.5"duals through Dynamax, Ric valve at 17+ and disconnected KS.
Elite Bodega 16" chrome wheels. Autometer pod w/ A/F and Vac/boost gauges.140 mph Motorsports Speedo New engine: Total Seal rings and TRW pistons, ported and polished head w/ cc'd chambers,1.59"exhausts, SS valves, gutted upper, knife edged lower, A-230 cam, Race Engineering Adj Cam Sprocket, Crowlers, ARP head studs, and rod bolts. Walbro 255 HP pump and Kirban adj FPR, T-3. Centerforce II, KB subs and jack rails.
Pete Dunham


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