An 850-1000 cfm carb should be able to support a lot of hp, is really an issue?
Charles Servedio just posted a video porting SBM cast iron intake with Thermoquad
- Thread starter StreetSleeper
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MOPAROFFICIAL
Well-Known Member
He sure does. I've spoke with him. Thats a good place to start if you want to stay with iron, and quick turn around.
MOPAROFFICIAL
Well-Known Member
That's kind of you to give him the benefit of the doubt.. seriously..but he is a squirrely little blowtie guy. I already knew what he would say. Predictable lil d squirt.
Anyone who knows, knows..
When you've whittled a J head guide boss down to get into the 270's..you can see right through the bullsht of "mildly ported".
mgoblue9798
Well-Known Member
MOPAROFFICIAL
Well-Known Member
I was waiting for somebody to call bullshit on that. I know in my 20's when I first got 290 cfm I'd say things like .."its not that much work".. and people would pounce. All of the old timer head porters would call my bs. This guy is way late in the game and too many people know.
The only thing this is about ,or interest in Mopar this guy has... are the views on YouTube. Bumblebeak gets his part as Gilligan and the 3 hr "tour de salad toss" commences
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TT5.9mag
Two atmospheres are better than one
I am wondering the same thing. I've never played with a flow bench, but my mind can't wrap around why bolting a carburetor to an intake manifold would draw the numbers down that much if any when only one cylinder is being flowed?
MOPAROFFICIAL
Well-Known Member
Because 4 brl carburetors are rated at 1.5 HG pressure drop, the shape of the plenum and transition to the runners...all become obstacles so to speak
TT5.9mag
Two atmospheres are better than one
I’m not a cylinder head porter in any stretch so it’s above my pay grade to comment. I will say, I know how much work it took my head porter to get the numbers he got out of my W2s and my R/T heads on HIS bench. And that makes me question a 270cfm J head that’s only been “mildly ported”.
Huh. It's amazing how much I don't know about what I don't know. Makes me want to get a flow bench and build another intake and waste a few more months of my life.
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The guy's slinging the chips and building real power aren't showing it on Youtube.
Why would anyone share a secret so someone could gain a 10th or 2.
What's your secret.
FAST is full of secrets.
Carburetors are the biggest obstacle in the flow equation.
One can only imagine why a simple intake and carburetor swap on an otherwise stock engine creates more power, and what if we just added a set of headers too. lol
As far as the intake? Just common sense stuff. Made the upper floor as low as I could, added material to some corners, took away material in others just trying to lessen angles and make everything bigger. Learned how to weld cast iron to put it all back together when I was done. I'm running version 4 right now. I have another one I've been picking away on. Between version 4 and 3 was just changing the transitions of the plenum area with leaving everything else the same, and it was noticeable on the time slip. I don't have anyone close that has a flow bench or that has shown any interest in entertaining my mindless search of uselessness so it's all just a common sense approach.
Called worse by better!
There are a few tricks to increasing the TQ’s flow.
It will start with removing the choke and all the linkages with it.
If you can live without a choke, your good to go.
I don’t know why what happened did but it was an eye raiser for sure.
Perhaps the way the air was entering?
Your not worth the effort but as to only say your not worth the effort.
If you clean up, my words above may yet hold true, but I doubt it since you’d rather carry on.
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