351 M head suggestion
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Senior User
Joined: Aug 2004
Posts: 101
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From: S.E. Michigan
351 M head suggestion
I had a 351/400 M rebuilt and stroked to 400 a few years back. It has a stock 2bbl manifold and heads. I would like to put a 650 Holly 4bbl and headers and was wondering if there are any particular heads that I may want to go with this set up?
The engine was out of a 78 Bird B-4 I had it rebuilt. I told the shop I wanted better low to mid torque and that I got, just not sure what cam they put in at the time (1987), that was 10k ago. As you can tell I haven't driven it to much.
The engine is in a 1978 F-350, my plan is to make a real eye catcher that sounds and runs good as well.
I'm really pleased with the engine as it is, just want to tweek it a little. Any suggestions will be appreciated.
For what it's worth, I have 351M motor in another "78 F-350 I own if those heads are any better. I've never had them off to compare, just a FYI and was wondering.
Thanks in advance, HoBo
The engine was out of a 78 Bird B-4 I had it rebuilt. I told the shop I wanted better low to mid torque and that I got, just not sure what cam they put in at the time (1987), that was 10k ago. As you can tell I haven't driven it to much.
The engine is in a 1978 F-350, my plan is to make a real eye catcher that sounds and runs good as well.
I'm really pleased with the engine as it is, just want to tweek it a little. Any suggestions will be appreciated.
For what it's worth, I have 351M motor in another "78 F-350 I own if those heads are any better. I've never had them off to compare, just a FYI and was wondering.
Thanks in advance, HoBo
Cargo Master
Joined: Oct 2003
Posts: 2,833
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From: Jefferson, Iowa
Actually, i would keep the heads you have now. Just purchase your 4-v intake and your headers, take your heads and intake and headers to a machine shop and have them port the heads to match and do a nice polish job on them.
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Senior User
Joined: Aug 2004
Posts: 101
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From: S.E. Michigan
351 M head suggestion
Thanks for the response 78fordman. I assume you're refering to the T-bird heads. My only wonder was, could the truck heads be a little free'r 
flowing than the car ? Since trucks seem to get to play by different rules ? or would it just not be worth the aggrivation of switching ? It's more of a curosity thing than anything else. I'm not really looking for a high performer with an F-350 anyhow.
When I changed all the metal in the late 80's and had it painted it turned alot of heads. It was a pretty good looking truck, it was a short bed stake at the time. I later switched it over to a dump body.
Well since doing so and nearly doubling my tag fee, I'm switching it back to a stake body and dressing it up with the alloy wheels and a fresh paint job. My work is restoring houses and i feel it'll help my advertising too, plus I can write some of it off on my taxes (I think) and enjoy the restoring of it as well.
Once again thanks for the response and have a healthy and "Happy New Year"
Hobo
flowing than the car ? Since trucks seem to get to play by different rules ? or would it just not be worth the aggrivation of switching ? It's more of a curosity thing than anything else. I'm not really looking for a high performer with an F-350 anyhow.When I changed all the metal in the late 80's and had it painted it turned alot of heads. It was a pretty good looking truck, it was a short bed stake at the time. I later switched it over to a dump body.
Well since doing so and nearly doubling my tag fee, I'm switching it back to a stake body and dressing it up with the alloy wheels and a fresh paint job. My work is restoring houses and i feel it'll help my advertising too, plus I can write some of it off on my taxes (I think) and enjoy the restoring of it as well.
Once again thanks for the response and have a healthy and "Happy New Year"
Hobo
