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Mopar Magnum M1 Intake question
#2967348
09/25/21 05:21 PM
09/25/21 05:21 PM
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Joined: Aug 2007
Posts: 1,819 Middle of A Field
OrangeProwler
OP
top fuel
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OP
top fuel
Joined: Aug 2007
Posts: 1,819
Middle of A Field
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I have a 79 Lil Red Express truck with a 408 Magnum stroker in it. The specs on the engine are 10.5.1 compression, Edelbrock ported heads, Hughes Hydraulic Roller (Custom Grind); 228/236 @ .050 .550/.565 on a 108 LSA w/ degrees of advance and Crower 1.7 rockers. Has about a 2500 stall in it now along with 3.55 gears. Currently has an Edelbrock Performer RPM Air Gap with a Holley 770 Street Avenger. My brain was wondering with this combination if the Mopar M1 4bbl intake with a rebuilt 850cfm Thermoquad if it would be a better runner in the mid range and up top? Just something I was throwing around in my head at this point.
Last edited by RustyMopar01; 09/25/21 05:22 PM.
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Re: Mopar Magnum M1 Intake question
[Re: moparmarks]
#2967477
09/26/21 10:48 AM
09/26/21 10:48 AM
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Joined: Jan 2003
Posts: 20,185 Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,185
Park Forest, IL
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Personally I'd put a looser converter in it and leave the motor alone.
"Everybody funny, now you funny too."
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Re: Mopar Magnum M1 Intake question
[Re: gzig5]
#2967820
09/27/21 01:18 PM
09/27/21 01:18 PM
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Joined: Feb 2003
Posts: 4,953 Houston, Texas
TheOtherDodge
master
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master
Joined: Feb 2003
Posts: 4,953
Houston, Texas
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I don't know much but I'm betting that the capability of the heads is going to affect the outcome with the different intakes. If they are restrictive with respect to feeding 408 cubes, I bet you won't see much difference. Those Eddy heads are a pretty decent head, especially ported (assuming good port job) so I doubt they will be any restriction.
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Re: Mopar Magnum M1 Intake question
[Re: TheOtherDodge]
#2967853
09/27/21 02:36 PM
09/27/21 02:36 PM
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Joined: Jan 2005
Posts: 12,419 Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
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That's very close specs to the engine I built for my dakota R/T, it had a little more midrange with the RPM air gap than the M1 single plane. The single plane did give me a little more top end butt not much, I actually switched them because it was impossible to hook up and I wanted to knock out a little mid range in trade for more RPM.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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