CAM selection question
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Senior User
Joined: May 2014
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CAM selection question
I'm looking for more power out of my truck (1990 f-150 5.0 Mustang HO motor 5spd 4x4 speed density) It already has egr, smog, and cat delete with long tube headers and true dual exhaust with off road H pipe. I'm looking to hit the 300hp at the flywheel mark. I plan on converting to speed density with the 9AL mustang computer. I have been told the 9AL is actually tunable (correct me if i'm wrong). I plan on getting a set of aluminum cylinder heads edelbrock/trickflow I want to stay around $600 a cylinder head. I will also probably use the stock rockers and roller lifters. What cam would best fit my application? I here the E303 thrown around a lot but I don't think its really truck oriented. Anyone have any ideas?
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
You mean you want to convert to MAF with an A9L Mustang PCM. That should be the next thing you do as everything after that will require tuning... and that's when things get expensive. For a cam I'd suggest the Comp 35-308-8, all extra horsepower with the 5.0 comes at higher rpms and the more you mod the motor the bigger the bias is.. meaning the motor gets softer and softer at low rpms(2000 and below), so hopefully you got lots of gears in the axles already.
Thread Starter
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Senior User
Joined: May 2014
Posts: 147
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You mean you want to convert to MAF with an A9L Mustang PCM. That should be the next thing you do as everything after that will require tuning... and that's when things get expensive. For a cam I'd suggest the Comp 35-308-8, all extra horsepower with the 5.0 comes at higher rpms and the more you mod the motor the bigger the bias is.. meaning the motor gets softer and softer at low rpms(2000 and below), so hopefully you got lots of gears in the axles already.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Put some 4.10's. In the truck.
It would make a BIG difference and better suit your 5.0
(Edit, Yes I realize this doesn't address the cam question, but it will help get the truck moving and be even more necessary with a cam installed)
It would make a BIG difference and better suit your 5.0
(Edit, Yes I realize this doesn't address the cam question, but it will help get the truck moving and be even more necessary with a cam installed)
Posting Guru
Joined: Sep 2008
Posts: 2,379
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You can find the A9L but they are pricy because everyone wants one. There are alternatives out there.
More Turbo
Joined: Mar 2003
Posts: 665
Likes: 6
From: Detroit suburb
What are the alternatives to this ? I am considering going down this road as well .....
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Posting Guru
Joined: Sep 2008
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U4P0 is a good choice, still readily available and not too expensive. If you are wired for an A9L then the change to this is very eays, move 3 pins on the ECU connector and have a tune for a U4P0 with a modified firing order, that is it. It is how I run my setup now. CBAZA Swap / EFIDynoTuning
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