351w cam
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8th Gear
Joined: Dec 2024
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351w cam
I have a 86 f250 4x4 that I am dropping a 351w/zf5 into. I have headers, 3” exaust, intake/carb, hei swap and am currently running stock heads but planning on maybe putting new ones on down the road. I’m asking for advice on what to run for a flat tappet cam. I want something that is fairly mild but has enough chop to be noticed at a stop light.
FTE Legend
Joined: Nov 2015
Posts: 30,983
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From: Angier, NC
They will want to know what the truck will be used foe mostly like DD empty or work truck loaded to rhe gills.
What transmission dose the truck have, auto or manual and if manual what transmission model is it?
Dave. ----
What transmission dose the truck have, auto or manual and if manual what transmission model is it?
Dave. ----
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Joined: Jan 2001
Posts: 57,025
Likes: 2,758
From: Virginia
There is no such thing as a cam with "chop" that has low end at the same time. It's just not possible, if you call the cam makers and they are truthful, they will tell you the same thing. The "chop" also messes up your carb and will require some tuning on it to make it run right on the street. If you want to enjoy your truck, avoid the "choppy" cam. If you want a play toy that you can fiddle with and take to car shows, but of no use for anything else, no towing or hauling, then you can get the choppy camshaft.
More Turbo
Joined: May 2003
Posts: 524
Likes: 73
The stock cams in that era were REAL week in the trucks. Most anything in the aftermarket is a step up. Back in the day I cam across a pre roller 5.0 GT cam. That was a nice grind that kept low end, and gave me about 6-700 more RPM at the top. You wont find one of them though, but most all companies list a RV/truck cam, that will be a improvement, and also ones that are a step or two above it. I used one that was a little hotter then a RV cam in my full size LTD with a351 and its got a little burble, and improved power everywhere. Sorry the specs are WAY long ago lost to memory, but just to say a mild cam can really wake things up, and while you might not get that choppy idle, it will sound a little better. Really call some cam company tech lines, and get your specs together, and see what they say.
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