Cam Shaft replacement advice
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Junior User
Joined: Jun 2007
Posts: 97
Likes: 0
From: Oakville, Wa
Cam Shaft replacement advice
I have a '77 F-250 4x4 with a 400, Edelbrock 4 barrel intake, Edelbrok 1406 carb, long tube headers, Performance distributors D.U.I. distributor, Auto trans with 4.10 gears. Melling MTF-2 cam. Everything else is stock.
Heres the question:
11,000 miles on the motor and developed lifter tap on the #4 piston exhaust port. Pulled the lifter and it is cupped so I need a new cam. More than likely its my fault for breaking the motor in w/ Mobile 1 synthetic which I found out later is not such a great Idea. I need advice on a replacement cam.
The old one did not seem to have much low end torque at all. With a different cam will I need different length push rods?
Old Cam Specs:
Cam Lift int. .281 / ext. .296
Valve lift .486 / .512
sae duration 282 / 292
.50 duration 204 / 214
Thanks for any advice.
Heres the question:
11,000 miles on the motor and developed lifter tap on the #4 piston exhaust port. Pulled the lifter and it is cupped so I need a new cam. More than likely its my fault for breaking the motor in w/ Mobile 1 synthetic which I found out later is not such a great Idea. I need advice on a replacement cam.
The old one did not seem to have much low end torque at all. With a different cam will I need different length push rods?
Old Cam Specs:
Cam Lift int. .281 / ext. .296
Valve lift .486 / .512
sae duration 282 / 292
.50 duration 204 / 214
Thanks for any advice.
Cargo Master
Joined: Sep 2003
Posts: 2,735
Likes: 0
From: TX
Can't help much on the question BUT, just wanted to say your set up is exactly like mine. Wish I had 4:10's so it would move from a stop a little quicker.
I have a melling cam with the edlebrock RV cam grind (what PO told me), and I like it.
Off topic, I LOVE the DUI dizzy.
Pics in my gallery.
I have a melling cam with the edlebrock RV cam grind (what PO told me), and I like it.
Off topic, I LOVE the DUI dizzy.
Pics in my gallery.
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