Dyno numbers

89 ATI · 03-22-2002, 08:37 PM

I just got off the dyno and am pretty happy. With the combo below I got 298.2 hp and 328.2 torque on a Mustang dyno. I still was a little rich like 11-1 but I had the fuel pressure at 36 and he didn't think I should go any lower. I had a goal of 300 but I guess this is close enough. I will take it to the track in a few weeks and see what it runs.

1BAD89 · 03-22-2002, 08:49 PM

Switch to a holley intake and you'll probaly see 310. Nice numbers by the way.

Hozer 88GTConv · 03-27-2002, 06:16 PM

89 ATI,
My dyno results today were poor, 255 RWHP and I was really expecting a little more.
How do the AFR's stand against TFS heads? I am wondering if my GT-40 intake is costing me potential power.
Just curious. My goal is mid 300's natural and then I'm going to a blower.

fiveohpatrol · 03-27-2002, 06:22 PM

Nice Craig

Where was the dyno at that you went to?

I'd like to see what I'm putting out, but it would probably be an extreme disappointment.
Plus my combo isnt anywhere near complete anyway.

ultraflo · 03-27-2002, 09:58 PM

Don't feel so bad guys, I too was disappointed with my dyno numbers. I was shooting for 400rwhp and come up with only 339.5rwhp and an wopping 316.1 ft lbs.

I had 1 3/4 stepped to 1 7/8 long tubes (way to big for my little 306). I changed to 1 5/8 - 1 3/4 and could immediately tell the difference in torque (seat of the pants-o-meter).

But still...

I feel you guys' pain!

I have pondered the notion of switching over to a Holley manifold (I run a Victor 5.0 w/ a 1" spacer), but I haven't even seen what my current combo is fully capable of. I have a problem with switching stuff around too much, and not going to the track enough!

Best of luck to ya guys...

1BAD89 · 03-27-2002, 10:17 PM

All of you guys will see a big difference with switching to a holley intake.

Quote:

88 GT Convertible, 306, TFS Heads, GT40 w/ phenolic spacer, 1.7 RR, B303, 24# inj's, 225lph fp, Kirban FPR 43 PSI, 73mm C+L MAF, MAC cold air, 65mm BBK TB, Full Mac 1 5/8 w/ h-pipe, Flowpaths. Mallory Distributor, MSD Blaster, MSD Wires, Pro 5.0, subframes, 3.73's...Kenne Bell Flowzilla blower this summer.

I suggest going with a Holley intake, and a custom grind cam. That should put you around 300rwhp give or take a few, and of course if you want the most hp potential/increase go with Long-tube headers.

exgmguy · 03-27-2002, 11:18 PM

298 at the wheels on a Mustang Dyno is great. That is probably 320 on a Dynojet too.

I have the Holley intake, and yes, it rules.

89 ATI · 03-28-2002, 06:47 AM

Hey Drew, The place I went is here in Lafayette called Auto Specialty. He charges $75 to put it on the dyno and $150 with the wide band O2 sensor hooked up. He said the 150 price was for 3 pulls but I ended up getting about 8. I picked up a lot of power by tuning it on the dyno.

89 ATI · 03-28-2002, 08:25 AM

Hozer, I think the heads are fine. They will make as much power as AFR's. I think the problem is the cam/intake match. The GT40 is a long tube made to make torque down low and the B-cam wants high rpm's. I would port the lower intake to get ready for the flowzilla and find a cam that will work well with the Kenne Bell. Here is a thread on the corral that talks about that subject. http://www.corral.net/forums/showthr...threadid=59596

03-22-2002, 08:37 PM	#1
89 ATI Registered Member Join Date: Sep 2000 Location: Lafayette, Indiana Posts: 120	Dyno numbers I just got off the dyno and am pretty happy. With the combo below I got 298.2 hp and 328.2 torque on a Mustang dyno. I still was a little rich like 11-1 but I had the fuel pressure at 36 and he didn't think I should go any lower. I had a goal of 300 but I guess this is close enough. I will take it to the track in a few weeks and see what it runs. __________________ 89 GT convertible, Kenny Brown level 5, Edelbrock performer, AFR 165's, Comp cams XE270HR, C&L 76, 24# inj, Crane 1.7's, 70mm BBK throttle body 298.2 hp 328.2 tq Mustang dyno "Our lady of blessed acceleration don't fail me now" Elwood Blues

03-27-2002, 06:16 PM	#3
Hozer 88GTConv Registered Member Join Date: Feb 2002 Location: Jacksonville, FL Posts: 706	Dyno... 89 ATI, My dyno results today were poor, 255 RWHP and I was really expecting a little more. How do the AFR's stand against TFS heads? I am wondering if my GT-40 intake is costing me potential power. Just curious. My goal is mid 300's natural and then I'm going to a blower. __________________ 1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy

03-27-2002, 06:22 PM	#4
fiveohpatrol I'd rather be basketweaving Join Date: Feb 2000 Location: Indianapolis Posts: 2,551	Nice Craig Where was the dyno at that you went to? I'd like to see what I'm putting out, but it would probably be an extreme disappointment. Plus my combo isnt anywhere near complete anyway. __________________ NMRA O/C 9516 NA pumpgas stickshift 347 10.65@125.6, 6.73@100, 1.41 60ft

03-27-2002, 09:58 PM	#5
ultraflo NX dealer-man Join Date: Sep 1998 Location: Peoria, Illinois Posts: 977	Don't feel so bad guys, I too was disappointed with my dyno numbers. I was shooting for 400rwhp and come up with only 339.5rwhp and an wopping 316.1 ft lbs. I had 1 3/4 stepped to 1 7/8 long tubes (way to big for my little 306). I changed to 1 5/8 - 1 3/4 and could immediately tell the difference in torque (seat of the pants-o-meter). But still... I feel you guys' pain! I have pondered the notion of switching over to a Holley manifold (I run a Victor 5.0 w/ a 1" spacer), but I haven't even seen what my current combo is fully capable of. I have a problem with switching stuff around too much, and not going to the track enough! Best of luck to ya guys... __________________ RLS Racing! 93 LX 9.20 @ 147mph 03 Mach 1 12.39 @ 116mph

03-28-2002, 06:47 AM	#8
89 ATI Registered Member Join Date: Sep 2000 Location: Lafayette, Indiana Posts: 120	Hey Drew, The place I went is here in Lafayette called Auto Specialty. He charges $75 to put it on the dyno and $150 with the wide band O2 sensor hooked up. He said the 150 price was for 3 pulls but I ended up getting about 8. I picked up a lot of power by tuning it on the dyno. __________________ 89 GT convertible, Kenny Brown level 5, Edelbrock performer, AFR 165's, Comp cams XE270HR, C&L 76, 24# inj, Crane 1.7's, 70mm BBK throttle body 298.2 hp 328.2 tq Mustang dyno "Our lady of blessed acceleration don't fail me now" Elwood Blues

03-22-2002, 08:49 PM	#2
1BAD89 Tubbed and Juiced Join Date: Mar 2001 Location: Tulsa, Oklahoma Posts: 1,861	Switch to a holley intake and you'll probaly see 310. Nice numbers by the way.

03-27-2002, 11:18 PM	#7
exgmguy Registered Member Join Date: Feb 1999 Location: Utica, Michigan Posts: 2,631	298 at the wheels on a Mustang Dyno is great. That is probably 320 on a Dynojet too. I have the Holley intake, and yes, it rules.

03-28-2002, 08:25 AM	#9
89 ATI Registered Member Join Date: Sep 2000 Location: Lafayette, Indiana Posts: 120	Hozer, I think the heads are fine. They will make as much power as AFR's. I think the problem is the cam/intake match. The GT40 is a long tube made to make torque down low and the B-cam wants high rpm's. I would port the lower intake to get ready for the flowzilla and find a cam that will work well with the Kenne Bell. Here is a thread on the corral that talks about that subject. http://www.corral.net/forums/showthr...threadid=59596 __________________ 89 GT convertible, Kenny Brown level 5, Edelbrock performer, AFR 165's, Comp cams XE270HR, C&L 76, 24# inj, Crane 1.7's, 70mm BBK throttle body 298.2 hp 328.2 tq Mustang dyno "Our lady of blessed acceleration don't fail me now" Elwood Blues

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