Was Just Wondering

bcinyuz · 05-23-2001, 01:59 AM

These are my current modifications on my 1990 GT. I was wondering how much more horse power over stock have I made, and could I have chosen better parts and made more horse power. Just curious about your opinion.

BBK cold air induction.
Edlebrock performer intake
BBK 65MM TB
Stock injectors and meter
Dart Windsor Jr heads
Crane roller tipped rocker arms
MSD 6al ignition system
Heddmen shorty headers
Flowtech off road H pipe
Performance cat back system
4 row brass radiator
Ford Motorsports high flow water pump
Stock computer
Base timming set at 12 degrees

[This message has been edited by bcinyuz (edited 05-23-2001).]

84_GT350 · 05-23-2001, 02:23 AM

I'd guess maybe 40-60hp over stock. Those Darts are a big help. I might be a tad on the conservative side. I'm not one to believe any advertising hyperbole about power gains so I always stick with being a little on the safe side.

------------------
1984 1/2 GT350 (#842 Hatchback w/ T-tops), 302HO, Comp cams Xtreme Energy cam, Carter 625cfm carb, Weiand Stealth intake, MSD distributor, MSD coil, FMS 9mm wires, 1 5/8" MAC unequal shorties, 2 1/2" MAC Prochamber H-pipe, Flowmaster 2 chambers, KYBs, 16"x8" 4 lug Cobra Rs, Falken 245/45ZR16s

smokedchevy · 05-24-2001, 12:06 AM

That looks about right to me. About 40-50 horses over the stock engine. If you're going to buy more I'd go with some 373's-4;10 gears and a small came like the E-303.

red82gt · 05-24-2001, 01:54 AM

I figure that you should be 55-70hp up from stock.
20 hp from the intake and TB
15hp from the exhaust
25-30 hp from the heads and the bump in compression from the 58cc chambers of the windsor jr's

Go with 373 gears, a 75mm mass air, and 24lb/hr injectors. I'd go bigger than the E303 cam though.

------------------
GT-40 heads (ported, polished, + milled), B303 cam, 1.7rr's, JE pistons, Offy intake, Carter AFB 625cfm carb, Flowtech 1 5/8" shortys, Flowtech X-pipe, MAC Flowpath exhaust, MAC pulleys, 373's, subframes, Eibachs+Tokicos, B+M ripper, FMS Clutch, Zoom Quadrant+cable, 17" CSA Ultra rims, 235/45ZR17 Yokohama AVS S4's, MSD 6A ignition+coil, FMS 9mm wires, Carbed, Naturally Aspirated, and Nasty!

red82gt · 05-24-2001, 01:55 AM

Oh yeah, I forgot the roller rockers ~5hp.

05-23-2001, 01:59 AM	#1
bcinyuz Registered Member Join Date: Aug 2000 Location: lodi,ca,usa Posts: 86	Was Just Wondering These are my current modifications on my 1990 GT. I was wondering how much more horse power over stock have I made, and could I have chosen better parts and made more horse power. Just curious about your opinion. BBK cold air induction. Edlebrock performer intake BBK 65MM TB Stock injectors and meter Dart Windsor Jr heads Crane roller tipped rocker arms MSD 6al ignition system Heddmen shorty headers Flowtech off road H pipe Performance cat back system 4 row brass radiator Ford Motorsports high flow water pump Stock computer Base timming set at 12 degrees [This message has been edited by bcinyuz (edited 05-23-2001).]

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05-23-2001, 02:23 AM	#2
84_GT350 Registered Member Join Date: Apr 1999 Location: Overland Park, KS, USA Posts: 1,631	I'd guess maybe 40-60hp over stock. Those Darts are a big help. I might be a tad on the conservative side. I'm not one to believe any advertising hyperbole about power gains so I always stick with being a little on the safe side. ------------------ 1984 1/2 GT350 (#842 Hatchback w/ T-tops), 302HO, Comp cams Xtreme Energy cam, Carter 625cfm carb, Weiand Stealth intake, MSD distributor, MSD coil, FMS 9mm wires, 1 5/8" MAC unequal shorties, 2 1/2" MAC Prochamber H-pipe, Flowmaster 2 chambers, KYBs, 16"x8" 4 lug Cobra Rs, Falken 245/45ZR16s

05-24-2001, 12:06 AM	#3
smokedchevy Registered Member Join Date: Jun 2000 Location: ventura,CA Posts: 438	That looks about right to me. About 40-50 horses over the stock engine. If you're going to buy more I'd go with some 373's-4;10 gears and a small came like the E-303.

05-24-2001, 01:54 AM	#4
red82gt Sober voice of Reason Join Date: Nov 1998 Location: Kelowna, B.C., Canada Posts: 1,514	I figure that you should be 55-70hp up from stock. 20 hp from the intake and TB 15hp from the exhaust 25-30 hp from the heads and the bump in compression from the 58cc chambers of the windsor jr's Go with 373 gears, a 75mm mass air, and 24lb/hr injectors. I'd go bigger than the E303 cam though. ------------------ GT-40 heads (ported, polished, + milled), B303 cam, 1.7rr's, JE pistons, Offy intake, Carter AFB 625cfm carb, Flowtech 1 5/8" shortys, Flowtech X-pipe, MAC Flowpath exhaust, MAC pulleys, 373's, subframes, Eibachs+Tokicos, B+M ripper, FMS Clutch, Zoom Quadrant+cable, 17" CSA Ultra rims, 235/45ZR17 Yokohama AVS S4's, MSD 6A ignition+coil, FMS 9mm wires, Carbed, Naturally Aspirated, and Nasty!

05-24-2001, 01:55 AM	#5
red82gt Sober voice of Reason Join Date: Nov 1998 Location: Kelowna, B.C., Canada Posts: 1,514	Oh yeah, I forgot the roller rockers ~5hp.