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#1 |
Registered Member
Join Date: Sep 2000
Location: Lafayette, Indiana
Posts: 120
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![]() 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.
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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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#2 |
Tubbed and Juiced
Join Date: Mar 2001
Location: Tulsa, Oklahoma
Posts: 1,861
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![]() Switch to a holley intake and you'll probaly see 310. Nice numbers by the way.
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#3 |
Registered Member
Join Date: Feb 2002
Location: Jacksonville, FL
Posts: 706
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![]() 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.
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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 |
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#4 |
I'd rather be basketweaving
Join Date: Feb 2000
Location: Indianapolis
Posts: 2,551
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![]() 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. ![]()
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NMRA O/C 9516 NA pumpgas stickshift 347 10.65@125.6, 6.73@100, 1.41 60ft |
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#5 |
NX dealer-man
Join Date: Sep 1998
Location: Peoria, Illinois
Posts: 977
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![]() 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... |
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#6 | |
Tubbed and Juiced
Join Date: Mar 2001
Location: Tulsa, Oklahoma
Posts: 1,861
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![]() All of you guys will see a big difference with switching to a holley intake.
Quote:
Last edited by 1BAD89; 03-27-2002 at 10:28 PM.. |
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#7 |
Registered Member
Join Date: Feb 1999
Location: Utica, Michigan
Posts: 2,631
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![]() 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. ![]() |
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#8 |
Registered Member
Join Date: Sep 2000
Location: Lafayette, Indiana
Posts: 120
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![]() 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.
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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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#9 |
Registered Member
Join Date: Sep 2000
Location: Lafayette, Indiana
Posts: 120
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![]() 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
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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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