Eric wiengarter just did some testing like that. The dual plane was only better for a little bit.
Brainstormin' 440 vs 5.9 ...
- Thread starter 318willrun
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Yes, tunnel ram beat all the others lol
TT5.9mag
Two atmospheres are better than one
Did they test against the old long ram.
Yep, rubber hoses and a big box plenum
TT5.9mag
Two atmospheres are better than one
Yea right up to where the MH440 will float the valves and run out of cylinder head and camshaft.
I was goin along with what you said. Yall would do well to look at this. They talk about how the Torker really surprised them for an old school intake. They make mention of it in part 1 as well.
Mopar Intake Manifold Shootout, Part 2
Check out these Mopar Intake Manifolds on a 383 engine with manifolds from Edelbrock, Holley, Mopar, Offenhauser and Weiand, Featured in the 2008 January Issue of Hot Rod Magazine.
I have a local friend who made an intake similar to that for his first gen 392 in his 29 model a rat rod. He used heavy duty THICK truck and bus radiator hose. The engine still sucked the hoses shut. lol
Hers a test with a 440 that demonstrates the street single planes are better than most of the aftermarket dual plane intakes.
Intake Manifold Engine & RPM Range Test - Induction Extravaganza
Intake Manifold Engine & RPM Range Test - Induction Extravaganza
Because sometimes (many times) what looks good on the dyno Is slower in the car. Some of that is because the dyno is controlling (at least to some extent) how fast the engine can rpm.
I never bought the power range numbers they give for manifolds. You can look at what rpm they give for a tunnel ram and know it’s wrong..
Got it. My reading comprehension sometimes lacks understanding. Thank my teachers lol
No that wasn't in the test
TT5.9mag
Two atmospheres are better than one
I don’t either, and agree for most part but looking at what a stock MH440 is good at, (and what it’s not good at) tells me a good dual plane will be the best manifold for one.
My communication skills sometimes lack as well.
If I can find a good used RPM air gap I would try it at the track against the torker.
TT5.9mag
Two atmospheres are better than one
That is a far more serious big block than a stock mh440 and the results are what I’d expect from an intake test on an engine like that.
Any intake is an air gap with a big block. The Edelbrock RPM is the intake you mean. It would come out on top, I would bet, just as it did in the test I posted. However, it was not anywhere near like they expected. What surprised me was the Torker even did better than the Street Dominator.
It would be fun to test at the track though, back to back
I have to come back and correct this. There are a FEW vintage intakes that are NOT air gap intakes in a big block. I think Weiand made one that sealed to the china walls, as well as maybe one or two more.
It's not the intake that's the problem, it's the heads. Most big block single plane intakes flow in the 270- 280 cfm range, the RPM dual plane flows up there.
TT5.9mag
Two atmospheres are better than one
That’s pretty neato right there.
The '73 Satellite I transplanted the 440 into has shockingly poor hood clearance, so......
That's cheatin! LOL
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