Single plane M1 and low RPM cruising, Aero head/Indy T/A heads

[boydsdodge]

Building a stroker 408 and have the choice of an M1 single plane intake that's on my self or an LD340 that is on my Swinger.
My concern is that the M1 single plane would not be a good choice for a stroker in a Challenger with a 5spd cruising at 2500 rpm on the highway.
Any one feel like informing or schooling me on the ya and na of the M1 for a street some weekend soloII time trails vs the LD340. I really like dual planes with Thermoquads for the street
The next question is do I just stick with the stock Edelbrock heads from my Swinger (That I would have to put the new 2.02 J heads back on) or dish out and buy a set of Aerohead T/A edelbrocks?
Are they worth it?
My cam is a Comp Mutha Thumpr
rear gears are 3:91s
27" tire
My racing friend says save the labour on pulling the Swinger engine apart, sell the rebuilt J heads and go get a new set of Aerohead T/A heads, bolt on the M1 for the Challenger, creating a real torque monster small block.
What do you all think? 

 

[Road_Runner]

 

Interested in the responses you get on this...

Later, Jim

[boydsdodge]

Not sure if it's my poor writing/question skills or there is no experience with what i am asking.
I feel the Indy T/A heads maybe tomuch for a 5500 rpm  top occasional weekend solo road racer.
I have a set of Edelbrock closed chambers that i can use, they just would have to come off my Swinger and then I would put the rebuilt J heads on the Swinger.
My friend thinks with the stroker I need as much port flow cylinder filling as I can get.
My orginal plan was to build the 408 ballanced with edelbrock closed chamber heads, an LD340intake with a Demon sizzler Thermoquad, 10 to 1 comp, Mutha thumpa cam, tti step headers and a 5 speed trans.
My buddy wants me to run the indy T/A heads and an M1 single plane intake on top of what I have built.
I am worried that it will be to much hi RPM flow with that top end.
Am I making sense?

[femtnmax]

Hot Rod do it yourself engines magazine, spring 2008 has a nice article on a 340/413 stroker.  Engine was assembled by SAM in Houston, TX.  They went with a Victor single plane intake because they were concerned the dual plane would choke flow at higher rpm, and the stroker would make plenty of torque at lower rpms without the need for a dual plane intake manifold.  Their cylinder head choice was Edel RPM magnum closed chamber heads with porting.  Rocker arm ratios were 1.65/1.6 intake/exhaust.  Cam was 242/248 at 0.05 duration, .594/.581 lift, and 110/106 LSA.
Engine dyno results, no accessories, at 3600 rpm = 460/316 tq/hp. Peak torque was 503 ftlb at 4300 rpm.   From 4100-4900 rpm tq was at or above 500 ftlb.  Max hp was 501 hp at 5700 rpm.  Hope this is of some help.
I would stick with closed chamber heads because the piston/cylinder head quench can be designed into the engine build.  Quench is a good thing for street use with  pump gas of questionable quality, in part because it allows higher compression while inhibiting the onset of detonation. 

[boydsdodge]

 Thanks

[the_engineers]

I would think that with the stroker motor and 3.91's, you shouldn't ever be too far out of the RPM range for the M1 intake.  Remember that the RPM range is a function of how much airflow (& air velocity) the motor needs.  With a 408 (vs. 360), you've increased the airflow requirements right off the bat by 13%+.

The only other intake that I'd throw into the mix would be the Air Gap RPM...

[Roppa440]

Which intake would be better on a stroker engine?

Reading this may help you decide.

http://victorylibrary.com/mopar/rod-tech-c.htm

[Strawdawg]

Seems to me that if you are concerned with cruising, that the intake is the least of the problems.....if the concern is with efficiency, gas mileage, etc.  At 2500 rpm, the intake will work okay, however.

[moper]

The M1 will be much better than the LD340. I wouldnt use the LD on anything longer stroke than the 360's 3.58, and then only if I was forced to. Not sure what you mean by Aerohead T/A heads... You mean the Indy-brocks witht he relocated pushrod hole? Those are a good head, but I think for what you're building, the std RPMs would be a better choice and a bit cheaper in terms of intakes and valve gear. The Indybrocks or even the 360-1s are a better head, but overkil for what you list here. SOLO driving is the parking lot courses, correct?

[boydsdodge]

Thanks guys, great words making sense.
Solo1 is the parking lot time runs and soloII is the road course timed runs.
I am going for soloII.
Yes I was talking about the IndyBrock heads, I just don't want to blow 1200 buks more  then reg Edelbrocks, when they may be more then I need.
It's my first Stroker so I am still feeling out the right buys for my use.
Thanks

[boydsdodge]

 

[Chryco Psycho]

I tend to agree the M1 should be agood choice for the combo ,if not iti is an easy part to swap out , the RPM would be a second choice
I would look at the RHS heads , you may find those a better choice than the J or the indy ported eddys , quench is a must though