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post #1 of 100 Old 01-31-2003, 09:13 PM Thread Starter
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Thumbs up Headswap dyno list

I wanted to start a list to keep up with headswap dyno numbers.
If the info is incorrect let me know and i will change it.
Person.....................Power...........Porter .…...tune……….cams….headers......intake
T56 cars
Juiced46.............…298/310 SAE.....DTA......…..dynotune…….yes………..BBK.......s tock
Desnudo01............213/273 SAE.....crackhead.....stock........no.........stoc k.......stock..Mustang dyno

5spd cars
98N20GT................320/323 SAE....self.....……...dynotune……Comp……..Mac.......P &P bullitt
Fresh GT............…..303/326 SAE....Powerheads...dynotune…..???……....FRPP...... stock
Stroked or Blown.....303/309 SAE.....DTA......…....dynotune……SHM………..Mac....... bullitt
46stang.............…..302/327 SAE.....self..…….....dynotune…….Crane…..….BBK..... P&P bullitt
2cammer97.............301/300 SAE.....HP............dynotune.......HP.........BB K.......stock
SpringStang............296/298 SAE.....Fox Lake.....stock.........Comp......BBK.........stock
97GTLunatic...........291/301 SAE......DTA..........dynotune......yes........BBK .........stock
ra96GT..................288/296 SAE......HP......…..…stock………..…yes……...Mac....... .stock
ar1grdpoundr..........287/308 SAE......Fox Lake....dynotune.....Comp.....FRPP.......stock
98GTSteve..........…285/292 SAE......T Avila.……..dynotune…....yes.……FRPP........stock
snowsl..................280/294 SAE......Fox Lake..…..stock……………yes……….???........stock
stang9gt...............280/285 SAE.......none...........chip............yes...... .Mac.......stock
Winters98gt........…279/314 SAE.......DTA..........…stock…………..yes……..FRPP.... ..stock
NiagaraGlenn.........279/304 SAE.......Fox Lake.....mafterburner..Modmax....JBA......Bullitt
Diesel..................278/297 SAE.......self............mafterburner...yes...... JBA........stock
PG98GT................272/296 SAE......none.……......dynotune......no...……FRPP... .....stock
Vetkilr..................271/302 SAE......???.......…………???…….……..no……….FRPP....... stock
Chris98.................271/289 SAE......CMP...........dynotune......yes......BBK. .........stock
97TomGT..............269/306 SAE......Steen.....……stock……….….no……….FRPP........ stock
Cranius.................267/302 SAE......none....………stock……………no……….BBK.........st ock
98Silverstang......….267/299 SAE......Heads Up.....stock…………..no……….Mac........stock
Madi98GT..............265/300 SAE......Steen.........dynotune......no.........JB A.......stock
pony4pt6..............265/305 SAE......Steen....…....stock..........no...…...BBK ........stock
Yellowman98.......….262/299 SAE.....Panhandle...…stock………...no……...FRPP....... .stock
gtmustang98..........260/302 SAE.....none............stock..........no........F RPP.......stock
DB96GT.................260/304 SAE.....none...........dynotune......no.........st ock......stock
doug97gt.............…259/302 SAE.....Steen..…………stock…………..no………..FRPP.......st ock
bierbelly.................256/292 SAE.....none.....………stock……………no……….FRPP.......sto ck
97MattGT...............254/297 SAE.....DTA......……..stock…….…….no………..FRPP....... stock
98Demon…………….....254/293 SAE…..none……………dynotune….….no……….stock.......sto ck
Saleenmustang281...251/292 SAE.....none.......…..stock………..…no……….stock...... ..stock
BMS………………………..250/292 SAE…...???…………...dynotune……...no…..Dynomax.......s tock
BlueStangGT...........250/290 SAE.....AFM.......……stock……….....no……….FRPP....... stock
Wildstang98............250/298 SAE.....none..........stock...........no........st ock.......stock
NitroDuck................248/306 STD....none...........stock..........no........sto ck.......stock
SOHCEM.................246/290 SAE.....none...........stock..........no......stoc k.........stock
68Stang.................231/277 SAE.....DTA.............stock.........no.......FRP P.........stock

Auto cars
Loud98SVT............311/301 STD.....Fox Lake.…..dynotune……..yes……...Mac.......bullitt
Gideup..................258/296 SAE.....Mustg Mtrsp...chip.........stock.....stock.......stock
AndrewWOT...........243/257 SAE.....Fox Lake.……..chip..…………no……….JBA.........bullitt
98GTfromGA...........240/297 SAE.....DTA.......…..…chip…..………no………..stock...... stock
MadMike................239/280 SAE.....none....……....chip…………..no……...stock...... .stock
Gtbite98................236/280 SAE.....none.....…....stock….………no………..stock...... stock


Last edited by 98GTfromGA; 06-22-2006 at 09:22 PM.
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post #2 of 100 Old 01-31-2003, 09:57 PM
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Is it me? or does it seem like the chipped guys have the lowest #'s?



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post #3 of 100 Old 01-31-2003, 11:39 PM
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I like the idea, the "spreadsheet" look that Bill started and appreciate the work you did putting this together. I would like to see just one more column though. I am interested to see these numbers matched up to what type of exhaust, specifically headers (long, short, stock), mid pipe (x, h, stock), catback (muffs, brand, stock). Basically, to see what effect does the different breathing combos give to the assorted types of headswap combos. Nice job!

'98 GT: '02 PI cams and PI intake, 3:90s Trick Flow Rear girdle, TF Plenum, Steeda Pulleys, Tri-Ax & Chrome Moly STB, Bassani X w/cats and Street Comps, Densecharger TB tube, 180 t-stat, Bullitt Susp kit 1/4 mile: [email protected]
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post #4 of 100 Old 01-31-2003, 11:44 PM Thread Starter
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i dont know if an exhaust column would fit.
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post #5 of 100 Old 01-31-2003, 11:50 PM
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Bored John?
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post #6 of 100 Old 01-31-2003, 11:58 PM
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great thread, keep it going. Some advice, if at all possible, include some more mods. Cams, valves, LT's, and intake. I know it would be hard, but comparing a headswap car with cams, intake, LT's, bigger valves kind of changes the numbers. Others reading this might not have knowledge of each of these cars mods, so they might interpret the numbes without knowing what mods they have. Just an idea, Ill start

ported 99 heads
stock valves
stock cams
stock intake
frpp headers
264/299

erson cams
modmax valve springs
same mods as above, not tune
279/314

98 Atlantic Blue GT 5 speed
Bone stock with 3.73's- 9.18 at 75mph

264rwhp 299rwtq - 13.19 at 104.71 on nittos, untuned with 3.73 rear
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post #7 of 100 Old 02-01-2003, 12:41 AM
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one more to the list

i got the swap also, 254hp and 293tq, 5 speed, no porting, dyno tuned.

phil

Phil

"I went once at midnight to the local walleyworld and got a ski mask, box of 9mm, box of condoms, shovel, bag of candy and big box of TylenolPM. They didn't even blink. lol" - NIUPonyBoy
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post #8 of 100 Old 02-01-2003, 01:21 AM Thread Starter
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ok i added some stuff
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post #9 of 100 Old 02-01-2003, 01:36 AM
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thats pretty impressive!!

there certainly is alot of info out there on all our cars, and the differences in parts/brands/tuning/tranny type really set them apart. i still am amazed that I made the power i did threw an automatic!

looking at the guys with 300+ trq, i probably would have made more had I went with shorty headers because it seems that the guys with FRPP shorties seem to make more trq then the guys with the longtubes, but i don't regret it.

FYI: i have an o/r H-pipe with the longtubes as far as exhaust setup goes (if another column for that is made)

'98 GT: "Naturally NOSpirated"
- 311 RWHP & 301 trq. N/A -
- 424 RWHP & 449 trq. w/ 125 shot


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post #10 of 100 Old 02-01-2003, 08:31 AM
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Very Nice Thread! My exhaust BBK LT's, O/R H, Magnapacks. Also oversized valves if anyone cares.

Dave


2003 Silver Cobra Coupe
KB solid axle equipped
641rwhp 628rwtq
[email protected] [email protected] 1.49760ft missed 4th rolled thru the traps


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post #11 of 100 Old 02-01-2003, 04:20 PM
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pony4pt6

Dyno'd today--

Think he put down 275/305

not bad

Why are wings getting bigger and bigger?
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post #12 of 100 Old 02-01-2003, 05:01 PM
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274.6/315.7 uncorrected
264.8/304.5 corrected

Average Horsepower/Torque
220.9/285.1 uncorrected
213/274.9

This was done on a dyno jet...

Mods:
99 PI heads p/p by Steen Racing
BBK Long tube headers
BBK off-road H-pipe
Flowmaster Cat-back

What do you think???do you underdrive pullies, 90mm Lightning Mass Air, and throttle body would give at least another 10 rwhp???

Silver 03 Cobra
K&N Coldair Intake
Magnaflow Cat-back
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post #13 of 100 Old 02-01-2003, 05:24 PM
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mine needs to be changed to tune/chip...yes, and headers...bbk. i'd be curious to see what mine would pick up with U/D pullies and a 70 mm tb.

marcus

'99 Jeep Wrangler Sport 4.0L - offroad toy
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post #14 of 100 Old 02-01-2003, 07:23 PM
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The tq of the different cars is very interesting

98 Atlantic Blue GT 5 speed
Bone stock with 3.73's- 9.18 at 75mph

264rwhp 299rwtq - 13.19 at 104.71 on nittos, untuned with 3.73 rear
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post #15 of 100 Old 02-01-2003, 07:38 PM
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anyone notice this

Cars with STEEN porting is avg over 300TQ Damn

Why are wings getting bigger and bigger?
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post #16 of 100 Old 02-01-2003, 08:04 PM
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You can add me to your list. All my mods are in the sig. I just dynoed it today.

Rich

-2003 Sonic Blue GT
-250 HP/290 TQ (SAE)
-Steeda Suspension

-1985 LX 4 to 8
Many Mods from Paint to NOS
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post #17 of 100 Old 02-01-2003, 08:49 PM
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Quote:
Originally posted by Hocke0233
anyone notice this...Cars with STEEN porting is avg over 300TQ Damn
And so are the DTA ported cars. So what? Does his thread really tell us anything? There is more to a car's performance than who ported the heads. Not enough info to be useful, IMO.

-Keith

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post #18 of 100 Old 02-01-2003, 11:15 PM
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i am running the stock pi cams and the manifolds off my 98, hopefully some lt's soon.

phil

Phil

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post #19 of 100 Old 02-01-2003, 11:23 PM
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WOW! that's a great list John, and definitely will help out us 96-98 guys. You've gone that extra step and on behalf of everyone i'd like to say thank you.


Also, it's good to see my name is above stroked or blown, where it should be.






DTA Headswap'd 97 Black GT
260 RWHP 299 RWTQ

M/M #40
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post #20 of 100 Old 02-02-2003, 09:13 AM
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Quote:
Originally posted by 97MattGT

Also, it's good to see my name is above stroked or blown, where it should be.






Thats funny

Me sits back and waits for Stroked's come back
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post #21 of 100 Old 02-02-2003, 06:10 PM
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Correction for mine. I haven't dyno'd since the JMS chip, so list mine as no chip. Most recent pre-chip was 250/290. The port work was done by AFM.

Tom

1998 Bright Atlantic Blue GT Coupe
5-spd., Headswap, Big Bore, 4.30's, blah, blah, blah.
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post #22 of 100 Old 02-02-2003, 06:34 PM Thread Starter
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i added some guys that are'nt on the corral
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post #23 of 100 Old 02-02-2003, 06:37 PM
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Quote:
Originally posted by 98GTfromGA
i added some guys that are'nt on the corral

that guy Fresh GT won't answer any of the pm's i sent him.



no way he's got 303 rwhp on stock cams and shorties.

DTA Headswap'd 97 Black GT
260 RWHP 299 RWTQ

M/M #40
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post #24 of 100 Old 02-02-2003, 06:42 PM Thread Starter
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i didn't know that FRPP headers were so popular.....
especially since everyone says that shorties are worthless on a 4.6L
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post #25 of 100 Old 02-02-2003, 06:58 PM
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Wouldn't it make sense to have all the values in as one Standard?

(I refer to the SAE vs STD listed in the chart)

STD is consistently about 4% above SAE, so why not convert the 2 values into SAE with a "*" saying it was a converted value.
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post #26 of 100 Old 02-02-2003, 07:05 PM Thread Starter
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that is a good idea. i didnt know what the conversion factor was. i know on my car it made 251std and 240 sae
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post #27 of 100 Old 02-02-2003, 07:20 PM Thread Starter
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Quote:
Originally posted by Hocke0233
anyone notice this

Cars with STEEN porting is avg over 300TQ Damn
that is interesting.....he must be getting very good flow velocity from his ported heads.

john
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post #28 of 100 Old 02-02-2003, 07:41 PM
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Person.....................Power...........Porter .…...tune……….cams….headers


98N2OGT...........280/312........... Ported by me.........tuned by Paul's autow/ autologic chip................stock pi cams...........Macs

2008 NMRA Pure Street Champion
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post #29 of 100 Old 02-03-2003, 12:21 AM
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Quote:
Originally posted by 97MattGT
WOW! that's a great list John, and definitely will help out us 96-98 guys. You've gone that extra step and on behalf of everyone i'd like to say thank you.


Also, it's good to see my name is above stroked or blown, where it should be.





I like my girls to be on top! And Matt is one of my favorite girls!(where's my honey Rigo?)

Hey buddy, whatever you are smoking, send me some cause the only way you are above me is b/c John decided to list the 5spd cars before the auto cars! I guess SD doesnt like you florida boys much...all your numbers are on the low side!

11 KB GT at 15psi
11 CTSV
12 F350
11 Z71
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post #30 of 100 Old 02-03-2003, 01:43 AM
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Quote:
Originally posted by stroked or blown?
I like my girls to be on top! And Matt is one of my favorite girls!(where's my honey Rigo?)

Hey buddy, whatever you are smoking, send me some cause the only way you are above me is b/c John decided to list the 5spd cars before the auto cars! I guess SD doesnt like you florida boys much...all your numbers are on the low side!
actually, you must have missed it cuz he changed the list. Before it wasn't divided into transmissions, and my name was directly above yours.


Yeah, my numbers are lower then yours, but so is my golf score.

DTA Headswap'd 97 Black GT
260 RWHP 299 RWTQ

M/M #40
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post #31 of 100 Old 02-03-2003, 01:47 AM
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Quote:
Originally posted by 97MattGT
actually, you must have missed it cuz he changed the list. Before it wasn't divided into transmissions, and my name was directly above yours.


Yeah, my numbers are lower then yours, but so is my golf score.
]


ouch! good one...but once again, i will beg to differ! be honest with yourself, have you ever shot even par or better? my best score is 71. that is on a par 72 course that was 7100yds...but my avg score is 76. but we can go all day with the "my d i c k is bigger than yours" routine!
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post #32 of 100 Old 02-03-2003, 01:53 AM
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Quote:
Originally posted by stroked or blown?
]


ouch! good one...but once again, i will beg to differ! be honest with yourself, have you ever shot even par or better? my best score is 71. that is on a par 72 course that was 7100yds...but my avg score is 76. but we can go all day with the "my d i c k is bigger than yours" routine!

personal best was a 67 on a par 70, course was almost 6800 yards. The score card was signed by the head pro to.


my competition stroke average during my high school career was a 39.X Lowest during a match was a 35, par was 36.

DTA Headswap'd 97 Black GT
260 RWHP 299 RWTQ

M/M #40
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post #33 of 100 Old 02-03-2003, 02:06 AM
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Quote:
Originally posted by 97MattGT
personal best was a 67 on a par 70, course was almost 6800 yards. The score card was signed by the head pro to.


my competition stroke average during my high school career was a 39.X Lowest during a match was a 35, par was 36.
well then, like your IQ, your golf score is lower than mine!
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post #34 of 100 Old 02-03-2003, 02:34 AM
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Originally posted by stroked or blown?
well then, like your IQ, your golf score is lower than mine!



DTA Headswap'd 97 Black GT
260 RWHP 299 RWTQ

M/M #40

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post #35 of 100 Old 02-03-2003, 09:12 AM
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again, my headers are BBK LT's. i think you should also add a column for intake since some guys may be running svo/bullit intake. my car actually isn't a headswap car anymore since i have an HP forged shortblock. my compression is about a full point lower than everyone else's (9.5:1). good list...keep it going.

marcus

'99 Jeep Wrangler Sport 4.0L - offroad toy

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