351M HP?
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Freshman User
Joined: Nov 2010
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351M HP?
Hey Guys,
Roughly how much horsepower will I have with a 351M, with a Melling RV cam, 600cfm Holley and dual exhaust. Does have Ederbrock
Performer Intake. Thanks/Robert
PS Truck is 1977 F100 C6 Trans
Roughly how much horsepower will I have with a 351M, with a Melling RV cam, 600cfm Holley and dual exhaust. Does have Ederbrock
Performer Intake. Thanks/Robert
PS Truck is 1977 F100 C6 Trans
Last edited by amodel55; Aug 9, 2011 at 12:03 PM. Reason: not enough info in title
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 83
From: NorCal
Did this work ?
Model Year
Engine ......Horsepower @ RPM
(SAE net, except '71)
Torque (ft/lbs)..... @ RPM
1971* .....400 (car only)
.......260 @ 4400
1972.......400 (car only)
.........172 @ 4000..........298 @ 2200
1973.......400 (car only)
....171 @ 4000
1974......400 (car only)
170 @ 4000
1975.......351M (car only)
148 @ 3400
1975......400 (car only)
158 @ 3800
1976.......351M (car only)
152 @ 3400
1976........400 (car only)
180 @ 3800
1977.....351M (car/truck)
161 @ 3400
1977......400 (car/truck)
173 @ 3800 / 158 @ 3800
1978.....351M (car/truck)
152 @ 3400 / 156 @ 4000
Torque — / 262 @ 2000
1978......400 (car/truck)
160 @ 3800 / 158 @ 3800
Torque — / 276 @ 2000
1979.....351M (car/truck)
151 @ 3400 / 156 @ 4000
Torque 262 @ 2000
1979.......400 (car/truck)
159 @ 3800 / 159 @ 3800
Torque 276 @ 2000
Model Year
Engine ......Horsepower @ RPM
(SAE net, except '71)
Torque (ft/lbs)..... @ RPM
1971* .....400 (car only)
.......260 @ 4400
1972.......400 (car only)
.........172 @ 4000..........298 @ 2200
1973.......400 (car only)
....171 @ 4000
1974......400 (car only)
170 @ 4000
1975.......351M (car only)
148 @ 3400
1975......400 (car only)
158 @ 3800
1976.......351M (car only)
152 @ 3400
1976........400 (car only)
180 @ 3800
1977.....351M (car/truck)
161 @ 3400
1977......400 (car/truck)
173 @ 3800 / 158 @ 3800
1978.....351M (car/truck)
152 @ 3400 / 156 @ 4000
Torque — / 262 @ 2000
1978......400 (car/truck)
160 @ 3800 / 158 @ 3800
Torque — / 276 @ 2000
1979.....351M (car/truck)
151 @ 3400 / 156 @ 4000
Torque 262 @ 2000
1979.......400 (car/truck)
159 @ 3800 / 159 @ 3800
Torque 276 @ 2000
Fleet Mechanic
Joined: Sep 2009
Posts: 1,572
Likes: 37
From: Northern Virginia.
WoW that torque is impressive for the way the engine was set up.
I would like to see a nice STOCK Engine HP TQ rating if just the timing was set to
the proper degree and not advanced for emissions.
I would like to see a nice STOCK Engine HP TQ rating if just the timing was set to
the proper degree and not advanced for emissions.
The village idiot.
Joined: Feb 2010
Posts: 1,126
Likes: 1
From: Southern WV
I agree. For real world daily driving purposes, I'd build the engine for torque and reliability.
Posting Guru
Joined: Mar 2009
Posts: 1,357
Likes: 1
From: Alston, MI
i thought these motor's were retarded 6 degrees for emissions. i might be wrong, but from what i've heard, advancing them wakes them up in the low rpm ranges and retarding them cuts back on smog.
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