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Discussion Starter #1
Like the title states how fast are stock Turbo Coupes? How fast can modded TC be?

Shane
 

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'83-'86 TurboCoupe SPECIFICATIONS

VEHICLE TYPE: Front-engine, rear-drive; 2-door 5-passenger sedan

WHEELBASE: F/R: 58.1/58.5 in

POWERTRAIN: 2.3L IL4 OHC, EFI, Turbocharged

HORSEPOWER: 155 @ 4600

TORQUE: 180 @ 3800

BRAKES: F/R: vented disc/drum

TRANSMISSIONS: Manual: Borg Warner T-5
Automatic: Ford C3 - 3 SPEED, optional "Select Shift"

TIMES: 1/4 Mile: 16.5 @ 85 mph


1983 started the era of the Aerodynamic Thunderbird, it marked the turning of Ford from the corpulent excesses of the previous "square bird". With it Ford introduced the EFI version of the 2.3 L OHC engine that proved superior to the carburetor equiped 2.3L of 1979.
 

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'87-'88 TurboCoupe SPECIFICATIONS

Vehicle Type: Front-engine, rear-drive; 2-door 5-passenger sedan

Engine:

2.3L (2295cc, 140 cu in) 4 cylinder engine

2 valves per cylinder, overhead cam

190 HP with 5 speed trans, 150 HP with automatic trans

Torque 240 @ 3400

8:0:1 compression ratio

Bore and stroke: 3.780" x 3.126" (96.0mm X 79.2mm)

MPEFI injection

Cooling fan turns on at 221 degrees F

Turbocharger:

IHIRHB-52 turbo with integral waste gate

air to air intercooler, dual active air scoopes on hood

intercooler cools air by ~60% on its way to the cylinder head

(denser air=more HP)

Transmission:

Manual: Borg Warner T-5 short throw 5 speed manual trans

Top speeds per gear: 1st - 33mph, 2nd - 56 mph, 3rd - 89 mph,

4th - 131 mph, 5th - 143 mph

Automatic: Ford A4LD - 4 speed automatic with overdrive

Gearing:

3:55 final drive ratio with T5 transmission,

Gear ratios: 1st - 3:97, 2nd - 2:34, 3rd - 1:46, 4th - 1:0, 5th -0:0.8

3:73 with the A4LD auto transmission

8.8" rear end

Miscellaneous Specs:

wheelbase = 104.2"
length = 202.1"
height = 53.4"
width = 71.1"
front tread = 58.1"
rear tread = 58.5"
trunk volume = 14.6 cu.ft.
fuel capacity = 22.1 gal.
weight = 3415 lbs (3419 lbs with AOD trans)
5 passenger capacity
0.36 Cd drag coefficient
steering: 2.4 turns lock to lock, curb to curb circle = 39.4 ft, 15:0:1 on center rack and pinion
firm suspension settings kick in (in ~40ms) with 0.3g or more cornering or braking, when throttle is floored, when boost exceeds 10 psi,
or when speed exceeds 80 mph

Miscellaneous numbers, times, and levels:

1/4 mile - 16.3 seconds @ 84.5 mph
60 mph to 0 mph stopping distance - 138 ft.
0.82 lateral g
700 ft slalom speed average = 61.2 mph
0-30 mph in 2.5 sec, 0-50 mph in 5.9 sec, 0-60 mph in 8.5 sec, 0-70 mph in 11.7 sec, 0-80 mph in 14.5 sec
0-100 ft in 3.2 sec, 0-500 ft in 8.8 sec, 0-1320 ft in 16.3 sec
interior noise: at idle - 54 dBA, 1st gear max - 84 dBA, 70 mph steady - 71 dBA
 

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Gear ratios: 1st - 3:97, 2nd - 2:34, 3rd - 1:46, 4th - 1:0, 5th -0:0.8
Note that first gear ratio. :D :thumbsup:

I also think the first few year TurboCoupe 5-speeds had a 4.03 first gear ratio. :beek:

( http://www.smartworx.com/TurboTekToys/_TipsDisc/0000000e.htm )

Even though they may be down on power, the gearing for out of the hole is pretty good. :D

Another car to look at for info on the Turbo motor are the 84 to 86 SVO's. 205 hp I think. :thumbsup:
 

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zero89lx said:
I have a question: what did they do to de-tune the auto 87-88 by 40 HP?
because the a4ld was a piece of **** transmission...lol it couldnt handle any power
 

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Nono, I know *why* they de-tuned it. I wanted to know *what* they did to it. Was it just a downgraded computer program? smaller heads? what?
 

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I'm not 100% sure, but I think all they did was decrease the boost levels (via the EEC) by 3 psi across the board. To my knowledge everything internally is identical. But it's been a while since I researched the turbo 2.3L. :D
 

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zero89lx said:
Nono, I know *why* they de-tuned it. I wanted to know *what* they did to it. Was it just a downgraded computer program? smaller heads? what?

oops....sorry man....i believe 94 daily drivn is right but ill look around for ya
 

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Discussion Starter #11
Thanks for the info guys.

Shane
 
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