Chris Lindh Chris Lindh Canton, GA (5 posts) Registered: 08/14/2015 04:30PM Main British Car: '77 MGB Roadster Ford 347 |
1977 MGB / Mantell Ford V8 Kit #142
Dyno video here: [youtu.be]
I had my Ford V8 on an engine dyno Friday, 338 hp, 383 tq. The dyno operators didn't like the air fuel ratio fluctuations from 9s to 13s. Their theory is the EFI cam does not allow the carburetor to deliver fuel correctly. Best power was made with 70/76 jets, 7.5 power valve. The engine will be fuel injected using MS2 when installed into the MGB. Ford 347 details: 1388 AFR 185 Heads 35-308-8 Comp Cams 266HR EFI Cam, 0.533 lift, 266/270 (210/215 at 0.050) duration, 114° Lobe Separation 1-94180 Scat Rotating Assembly 3.4" stroke, 4.030" bore, compression 9.6 U650HO AED Ultra Carburetor Weiand 8124 Intake Manifold This 1977 MGB was my first car, found it on a car lot when I was 15 in 1990. It sat in a field from 1998 to 2010. Conversion plan: Mantell conversion kit; a special thank you to Pete Mantell, always responsive to my questions. Pro Race Balancer will not clear the steering rack, Professional Products 90045 or 90046 will clear Classic Conversions Engineering Wilwood big brake kit World Wide Imports / Peter Caldwell adjustable lever shocks Ford World Class T5 Ford 8" rear axle, Auburn differential, 3.25 gears Classic Conversions Engineering 4 link |