86 Mustang GT

Stock

200

285

Order

Part

HP

Torque

Comment

Ass-o-meter

1

2.5" Flowmaster American Thunder Cat-back exhaust

5

3

These pipes not only are bigger than stock, but sound that much better. At idle the sound is deeper and at WOT it starts to roar.

Better throttle response and slightly jmore power throughout the RPMs

2

180 degree thermostat

0

0

a must have / cooler is better

I didn't feel any power difference, but the car almost never goes past the N in Normal

3

2.5" off-road H-pipe

5

3

I knew this would help. It was an easy installation. If you set the Off road next to the stock 4 cat pipe, yolu can see the restrictions in the old vs the new. Way louder. The car almost makes an explosive sound when its started up.

didn't seem to loose any low end, and high end power was increased

4

ASP underdrive pulleys

2

3

Alt/Waterpump underdrive pulleys only. Due to SC crank pulley. (See Old HP chart)

Car has lots of pull after 3200rpms

5

Powerdyne BD11 6psi Supercharger / Alunimun Dishcharge tube / By-pass / K&N located in fender

86

59

Great bolt on, Installed easy. Had to remove underdrive crank pulley/ K&N panel filter/ Removal of air silencer HP

A true HP bolt-on. With the AOD Boost does not come on until ~3700 RPMs but when it does hold on.

With the BD11 Kit,,, -Removed Air Silencer, -K&N panel air filter replaced with Conical, -ASP underdrive crank pulley removed, -Timing set to 6^

Currently I'm tuning in the SC for more power. Right now, I'm working with the timing. I had it set to 2^, and now moved it to 6^. What a huge difference.

6

92' Stock upper intake and 60mm TB and EGR plate

5

3

86 Motors had a very restrictive upper intake and 58mm TB and EGR. When I dissassembled my old intake this was appearant

Throttle response has never been better. The exhuast rumble is clean and quick. Has a little better high end power.

7

T5 Transmission - FMS clutch - B&M Ripper shifter

By design a manual is 4% more efficient than an Auto and wieghs 75lbs less. Plus the added 1st gear ratio of 3.35. No more AOD coolant in the Radiator.

NA

8

Flowtech 1 5/8 Shortie Headers

5

3

Good Construction. After looking at these headers compared to the stock its hard to believe the stock headers could even run a car. At idle is a little louder and some quick stabs of the throttle makes the car roar.

NA

9

92' E7 Heads - Removed exhaust thermo coupler bump

20

12

87-93 heads are way less restrictive than the 86 shrouded ones. I had to flycut my pistons for PV clearance. +15cfms from exhaust porting. CR should be 9.4:1

NA

10

Gutted SMOG pump and removed lines

0

0

I have to leave the SMOG pulley inplace due to the SC belt routing. Gutted smog pump and removed all lines and valves. Plugged Air injection holes in the heads.

NA

Total

Modifications

103

71

Car total

303

356

Click here to see old modification and performance results.

http://www.shol.com/pope/oldhp.html