Help with build
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Banned
Joined: Sep 2007
Posts: 213
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Help with build
Had the time to let the dealer do a 103 build. But something went wrong somewhere. Don’t know if the dealer didn’t know what to do or what. I ask for low end torque and 100/100 if possible.
Here’s the build - 103 jugs .Screaming eagle heads. Forged dome top pistons. Push rods, lifters, Andrews 37G cams, 10:01 ratio .Reinhart True duels. Dyno read out last week was 89 HP 101 TQ. The engine has a lean area we cant get out. A small detination .You roll back the throttle and it skips for a second.
I really thought I would of got more gain and especially in the low end. What went wrong ? Thanks for the help.
Here’s the build - 103 jugs .Screaming eagle heads. Forged dome top pistons. Push rods, lifters, Andrews 37G cams, 10:01 ratio .Reinhart True duels. Dyno read out last week was 89 HP 101 TQ. The engine has a lean area we cant get out. A small detination .You roll back the throttle and it skips for a second.
I really thought I would of got more gain and especially in the low end. What went wrong ? Thanks for the help.
Road Master
Joined: May 2007
Posts: 851
Likes: 5
From: Mitchellville, Ia.
RE: Help with build
Pipes can cause this but even more I would suspect core shift and the wrong quench. Put it back on the dyno and do a pull with something covering over 1/4 of the end of the pipes, 1/2, then take the mufflers off. This should tell you if it's the pipes.
Stellar HDF Member
Joined: Apr 2005
Posts: 3,108
Likes: 9
From: Lincolnton, NC
RE: Help with build
I really thought I would of got more gain and especially in the low end.
Kingofcubes is pointing you in the right direction with his suggestion on the exhaust.
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Banned
Joined: Sep 2007
Posts: 213
Likes: 1
RE: Help with build
ORIGINAL: Neckball
101 ft/lbs of torque is pretty good but it sounds like it comes on a bit late. What does the dyno sheet look like?
Kingofcubes is pointing you in the right direction with his suggestion on the exhaust.
I really thought I would of got more gain and especially in the low end.
Kingofcubes is pointing you in the right direction with his suggestion on the exhaust.
75 Tq at 2000 FRom 3000 to 4000rpm 98 TQ to 101. Falls off after 4000rpm. 85 TQ at 5500 rpm.
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Tourer
Joined: Mar 2007
Posts: 340
Likes: 0
From: SRQ (Sarasota)
RE: Help with build
I'll bet if you post a copy of the Dyno and your PCMap a few of the guys here could sure diagnose a lot better . . .
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Extreme HDF Member
Joined: Aug 2007
Posts: 17,625
Likes: 1,665
From: Blairsville GA
RE: Help with build
HD Attitude: I had to check the Andrews catalog to be sure (the last time I put an Andrews cam in anything Reagan was president.
Anyway your dyno numbers seem more appropriate for a 95 than a 103. Also, your message says you have an '07. The 37G is ONLY for models up to '06 (except Dyna to '05). Are you sure you don't have the 37HG? Good luck, with the set-up you have 100/100 should be very doable.
Anyway your dyno numbers seem more appropriate for a 95 than a 103. Also, your message says you have an '07. The 37G is ONLY for models up to '06 (except Dyna to '05). Are you sure you don't have the 37HG? Good luck, with the set-up you have 100/100 should be very doable.