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Member
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Posts: 22
Join Date: July 2006
Location: Central, IL
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1987 gt dyno woes :( -
07-11-06, 10:51 AM
Hey all,
Just had my 1987 Mustang GT 5-speed dynoed after a bunch of work- 306 keith craft, federal mogul pistons, AFR heads, roller rockers, bbk long tubes, bassani x-pipe, flowmaster cat-back, C&L intake, 75mm MAF, 70mm throttle body, 24lb inj, cam, edelbrock upper and lower, and full Accel ignition.
Grand total after chip and "dyno tune"...291 rwhp!?
That just seems low to me. Anybody have any insight into this? Car runs great, but I thought there was more there after all the mods.
What can I do to eek some more out of her? timing? Any suggestions. I also dont feel like the shop did a great deal of "tuning" while i was there.
Thanks,
Carl
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My mom says thanks for the pearl necklace.
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Posts: 2,415
Join Date: November 2003
Location: windsor, Canada
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07-11-06, 12:52 PM
Sounds just about right...I left my session with 291/316 and was disapointed too. It wasn't untill I spent some real time looking at 302/306 combo's that I found high 285-305 to be the average with near every combination..though some guys always tend to post killer numbers they are not the standard by a long shot. To tweek you could look at an Efan and a more aggressive tune with maybe a higher octane fuel..both of which I am now running and expect to see 300 on the next set of pulls in the fall. Don't be disapointed...dyno numbers are just numbers..you might be 15 higher next time for no reason at all...they are great tuning items but do not represent what the car is able to do.
When I found the skull in the woods, the first thing I did was call the police. But then I got curious about it. I picked it up, and started wondering who this person was, and why he had deer horns
Roller results:
http://i4.photobucket.com/albums/y12...atestdyno2.jpg
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Official Member
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Posts: 55
Join Date: August 2005
Location: hebron, indiana
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1987 -
07-11-06, 01:33 PM
what cam?
1992 gt
306 dss base bullet
edelbrock rpm 2.02, 1.6 rr
track heat intake
x cam
30 lb inj.
70 mm tb
76 mm mas air meter
255 lpm
vortech s-trim 12lbs.
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Member
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Posts: 22
Join Date: July 2006
Location: Central, IL
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07-11-06, 08:58 PM
Comp Cams 35-324-8 hydraulic cam
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Founding Member
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Posts: 880
Join Date: July 1999
Location: Marengo,Ohio,US
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07-12-06, 12:13 AM
I am shocked because that seems 20 rwhp high to me.
TwinTurboIntercooler(TTi)
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My mom says thanks for the pearl necklace.
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Posts: 2,415
Join Date: November 2003
Location: windsor, Canada
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07-12-06, 07:42 AM
Same cam I run...your lookin just about right to me.
When I found the skull in the woods, the first thing I did was call the police. But then I got curious about it. I picked it up, and started wondering who this person was, and why he had deer horns
Roller results:
http://i4.photobucket.com/albums/y12...atestdyno2.jpg
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Official Member
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Posts: 1,602
Join Date: December 2002
Location: Palmdale, CA
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08-07-06, 03:27 PM
Looks reasonable.
1989 Saleen #052. GT40 Crate Motor,TKO 600, and a lot of other expensive junk. Garage Queen Extraordinare.
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Official Member
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Posts: 2,354
Join Date: July 2003
Location: WORSHINGTON
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09-09-06, 11:58 AM
Seems weird to me ? I have a 302 with gt40p's ported and polished cobra intake ported extrude honed and all the bolt ons l/t's mac pro chamber elec fan griffen alum rad. My car dyno 310 and 338 on a dyno jet. peace
john 
so if "NISMO" is nissans perfermance parts , then is "HOMO" honda's?
92 4 banger coupe 80some H.P with 8.8 possi 3.55 gears and steeda lower control arms, alumn drive shaft.
93 SSP COUPE 301H.P/338T.Q.
95 GT ....SENT TO THE CRUSHER 8/16/06
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Official Member
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Posts: 452
Join Date: December 2005
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09-09-06, 07:52 PM
SMOKEDYA what cam, lifters, and roler rockers? What size injectors?
Distilling your own fuel is legal, with a free permit issued by the Federal Government. Not only that, but you will qualify for a 38 to 60 cent per gallon Tax Refund for every gallon you distill.
Feel free to PM me.
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I need NOS....make it 2 of the big ones
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Posts: 2,686
Join Date: July 2000
Location: Kingston, PA, USA
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09-10-06, 02:10 PM
is it a 302 motor?
1986 GT:331, Edelbrock Vic Jr heads, Jay Allen custom cam, TFS R intake, 30# injectors, 75mm t-body, 80mm PRO-M, AFM Powerpipe, BBK 1 3/4 long tubes, BBK X pipe, 4.10s, 5 lug conversion, 99GT rims/Nitto DRs, PBR brakes, Lakewood 50/50s, Moroso rear drag springs, Sub frames, 2.5" cowl, Saleen spoiler
Power of a low 11 second car, Traction of a high 14 second car!
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Official Member
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Posts: 243
Join Date: March 2006
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09-12-06, 07:10 AM
Just curious as to what the difference is between a Mustang dyno, and a Dynojet. I Dynoed 270/290 at the rear wheels with the items in my sig on a mustang dyno.
Mildly Built 302 
T/W Heads, Edel RPM PERF II, TFS1 cam soon.
270 rwhp
290 rwtq
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Official Member
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Posts: 521
Join Date: June 2005
Location: pottstown, PA
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09-17-06, 03:24 PM
Quote:
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Originally Posted by 88Stang331
Just curious as to what the difference is between a Mustang dyno, and a Dynojet. I Dynoed 270/290 at the rear wheels with the items in my sig on a mustang dyno.
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supposivly the numbers will be a little lower on the mustang dyno but they tune your car based on the weight and everything(correct me if im wrong)
89 gt vert/ 2.95 t5/ 12:1 350 stroker(yes its a ford engine)/ Windsor heads(ported and milled)/ lunati cam/ 1.6's/ TFS intake/ MSD6al/ 30lb inj/ 3.73s
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Founding Member
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Posts: 1,706
Join Date: March 2001
Location: Boyertown, Pa
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10-08-06, 10:43 PM
Thats good though, about 340 at the flywheel!
88 LX & 88GT with T-Tops rolling chassis!
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Founding Member
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Posts: 442
Join Date: September 2002
Location: Dudley, MA
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10-10-06, 12:31 PM
I built a 302 stock shortblock from a '01 mountaineer, GT40 cobra heads ported and polished, stock mustang gt cam retarded 4 degrees, 1.72rr's, cobra R intake, 30# injectors, 75mm tb and maf, bbk headers, pro chamber..... put it in a 95 gt, no tune, dynoed in at 281 horse 315 tq at the wheels, so I think that you're still a little low......
1993 LX 5.0 T5 Notch - Twin Turbo -
(2) T04B's, (2) Tial 38mm gates, Vecco FMIC, Hallman Pro MBC, Greddy Type S BOV
Stock shortblock, E7 heads, Comp cam, GT40 intake, 42# injectors
531 RWHP, 557 RWTQ @ 16 psi
217 quarter mile runs and counting
2003 WRX (its blue obviously)
231 AWHP, 229 AWTQ @ 17 psi
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Official Member
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Posts: 461
Join Date: February 2003
Location: Australia
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12-02-06, 09:50 PM
Looks like its in the right ball park. Maybe a bit more to be had somewhere. Did you get AFR's with the sheet?
Last edited by C0V3R; 12-02-06 at 09:51 PM.
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Official Member
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Posts: 563
Join Date: March 2003
Location: Palm Bay, FL
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12-04-06, 11:06 PM
Are you kidding me? Thats high compared to what I usually hear! In the mustang club Im a member of, in the county, I have the second highest NA 5.0 DD numbers in the club at 268, the highest guy pushes like 275, but on a 5-speed versus my AOD. Youre doing fine. But I do believe there is more to get out of your combo, you have really good parts.
Post a dyno chart, with air/fuel. I'll bet you can tweak the A/F and timing and one or two other little things, and get some better numbers out of it.
91 GT AOD
Cast hi-mi shortblock, Edelbrock RPM heads, Lunati cam, Track Heat intake, full exhaust, TCI AOD trans, gears, etc etc etc.
13.21 at 109.56 mph on street tires, stock converter, shifted at 6800.
Last edited by OrLackThereof; 12-04-06 at 11:11 PM.
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Member
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Posts: 22
Join Date: July 2006
Location: Central, IL
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01-17-07, 02:44 PM
I am planning on taking the car to Anderson Ford Motorsports for a tune. I think they will be able to tune my car a bit more effectively than the shop I went to initially.
thanks guys
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Official Member
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Posts: 563
Join Date: March 2003
Location: Palm Bay, FL
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01-17-07, 04:25 PM
Quote:
Originally Posted by thebuckaman
I am planning on taking the car to Anderson Ford Motorsports for a tune. I think they will be able to tune my car a bit more effectively than the shop I went to initially.
thanks guys
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DOUBLE POST
91 GT AOD
Cast hi-mi shortblock, Edelbrock RPM heads, Lunati cam, Track Heat intake, full exhaust, TCI AOD trans, gears, etc etc etc.
13.21 at 109.56 mph on street tires, stock converter, shifted at 6800.
Last edited by OrLackThereof; 01-17-07 at 04:31 PM.
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Official Member
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Posts: 563
Join Date: March 2003
Location: Palm Bay, FL
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01-17-07, 04:30 PM
Can't say I'd expect to be finding much more power in an eec-4 system....unless they go through the tune with a fine-toothed comb and tweak the fuel and timing line by line and that kind of labor time is gonna cost ya....
From what I see of most tuners, they throw a wideband on it and if the A/F is good, they don't touch it....if it's off all the way across, they do a simple fp adjustment...if it's off in one point they do it in the ecu. If that's good, then they check base timing....they might add a few degrees of total and see if that helps, that's about it as far as I know.
91 GT AOD
Cast hi-mi shortblock, Edelbrock RPM heads, Lunati cam, Track Heat intake, full exhaust, TCI AOD trans, gears, etc etc etc.
13.21 at 109.56 mph on street tires, stock converter, shifted at 6800.
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