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  1. KB91Notch347

    Running rich but reading lean - Bad ECM?

    I'm having the same problem with my 347. Codes 41 and 91 but getting only about 7 MPG. Runs fine upon initial start but once it warms up the idle starts to hunt and the check engine light comes on. I have new o2's, TPS, wires, cap, and rotor. I cleaned the MAS, IAC (twice), and...
  2. KB91Notch347

    Causes of OIL in ant-freeze?

    I had the same thing but maybe a little worse than you're describing. I just put in a new cam and changed all the gaskets including head and lower intake. Now no more oil in the antifreeze. My vote is lower intake gasket too.
  3. KB91Notch347

    Dyno run today, Chip question

    My 347 did the same thing on a Mustang Dyno. I need a custom tune but I want to rule out any mechanical problems first. It runs rich and I get terrible gas mileage. a/f: ~12.7 @ 3100 12.1 @5000
  4. KB91Notch347

    Let's see your beauties.

    Original owner - less than 92,000 miles.
  5. KB91Notch347

    Louisiana Stangers

    Hi Rick. I am but with 3 boys and 1 on the way in October it seems I don't have time for anything. Check out www.fpacarclub.com. It is a local, large group for all Fords not just Mustangs. They also sponsor a couple of drag racing events a year at NPR and Gulfport. Kevin
  6. KB91Notch347

    Louisiana Stangers

    Checking in from River Ridge. Hope to get the 3.55's in this summer. KB
  7. KB91Notch347

    what power

    I agree re the cam - way too small especially for the heads, intake, and injectors. What compression will/do you have? KB
  8. KB91Notch347

    Comments on this 347 buildup...Plus Questions?

    You should EASILY see mid 11's. My motor was running 11.80's in an '88GT with 3.73s and a C4. I think you'll be fine with the 30lb inj NA but I'm not sure with the NOS.
  9. KB91Notch347

    are wolvernine's cam good for the 5.0L

    I think they were bought out by Crane.
  10. KB91Notch347

    anyone in Louisiana ?

    I'm still in for the 24th at NPR too. I have a friend bringing his truck and tow strap in case my tranny blows. KB P.S. Looking to buy an intake spacer for Performer RPM EFI.
  11. KB91Notch347

    radiator hose kit???

    If you're talking about the blue Ford hoses, they are expensive but mine have lasted 12+ years.
  12. KB91Notch347

    Help with Codes 63 & 98

    I'm experiencing the typical intermittant high idle and rough running conditions. The codes I have are 63 which I think is the TPS set too low. I have searched and found some good info on this. However, what is code 98 (Failure Mode Effects Management - hard fault present)? Is this due to...
  13. KB91Notch347

    Mustang Computer Tuner Near New Orleans Wanted

    I'm looking for someone local to do a custom tune on my '91. After I put in the 347 about a year ago it ran VERY lean (~17:1 a/f; 300 RWHP at 5,000rpm). Now it seems (I haven't gone back to the dyno) to be running rich. See additional details in signature at bottom. Thanks, Kevin
  14. KB91Notch347

    Any thoughts on this engine combination?

    I think I may be getting a g-force upgraded T-5 along with a Centerforce Dual Friction clutch. Thanks for your input.
  15. KB91Notch347

    Any thoughts on this engine combination?

    Am I "losing 20 hp with that cam" because it is too small? This is not an all out race car. I will take note of the header size recommendation. Any thoughts on how much horsepower this combo would make? Thanks. P.S. I like your website!
  16. KB91Notch347

    Any thoughts on this engine combination?

    Definitely no blower or turbo. The previous owner of the motor was going to run nitrous but never got around to it. I was hoping for way more than 400HP at the rear wheels. Thanks for your input. KB
  17. KB91Notch347

    Any thoughts on this engine combination?

    I already have the heads so it's too late. They were on the 347 when I bought it. Any thoughts on horsepower potential? Thanks.
  18. KB91Notch347

    Any thoughts on this engine combination?

    I already have the heads. Re the cam, it is rated for 340+ c.i., 10.0 - 11.5:1 compression, and 3,000 - 6,5000 RPMs so I thought it would be a good match. I never imagined someone would think that was a small cam. The cam I have now is 222/226 @ .050 and .542" lift. It ran 11.80's all day in...
  19. KB91Notch347

    Any thoughts on this engine combination?

    1991 LX Coupe (original owner w/ about 92,000 miles) CHP 347 10.5:1 compression Victor Jr. o-ringed heads Crane cam: duration = 232/244 @ .050 lift = .563”/.595” 112 LSA New BBK SSI-Series Intake w/ 75mm throttle body opening 30lb fuel injectors Pro-M 95mm MAS BBK 1 5/8” long tube...
  20. KB91Notch347

    Headlight Weather Stripping

    Yup, 5.0 Resto is great. http://secure.50resto.com/product1.cfm?SID=1&Product_ID=1877 Only $20 for the pair now for repros.