Thoughts on monoblade TB?
Thread Starter
Teching In
Joined: Feb 2009
Posts: 12
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From: katy, Tx
Thoughts on monoblade TB? I have a 355 build in the works, going with the LE trickflows, le cam, le intake, and 24x conversion and all the other goodies that go along with that. It will be a high compression motor. Is a mono blade TB worth it, I called LE up and asked if he could port the intake to be compatible with a mono blade tb. He said he could but said it could mess up the IAC unless i have it tuned accordingly. any thoughts? i dont want to put one one and it have crapping drivability.
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Won't be for the whole RPM range, and not with street car parts, but it is definitely possible.
Doesn't change the fact that a 355 doesn't need even a 58mm, let alone a monoblade
. 
Staging Lane
Joined: Apr 2008
Posts: 81
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From: west valley utah
if only a 58mm TB on a 355 when would you suggest a monoblade?
I have always wondered if my Monoblade was too much for my motor,but figured at WOT it would want all it could get. with the fast ez efi I can fine tune the iac circuit.
Think I should find a 58MM and try it?
I have always wondered if my Monoblade was too much for my motor,but figured at WOT it would want all it could get. with the fast ez efi I can fine tune the iac circuit.
Think I should find a 58MM and try it?
TECH Fanatic
Joined: Sep 2010
Posts: 1,037
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The problem people don't understand is velocity. If you have a smaller hole you have less volume but more velocity. Vice Versa.
By having to big a hole you lost the velocity which the engine creates a vacuum so by using velocity the maximum air is sucked in.
You want a balance between volume and velocity. Thats why large numbers on heads doesn't mean squat without good velocity.
By having to big a hole you lost the velocity which the engine creates a vacuum so by using velocity the maximum air is sucked in.
You want a balance between volume and velocity. Thats why large numbers on heads doesn't mean squat without good velocity.
No offense, but your heads are too big too. You don't really have enough cam or compression for those heads, or TB. If you did, it would not be real streetable.
You would need an 8000+ RPM engine to take advantage of those.
If interested, my SS 360" LT1 makes 600 hp with a stock TB, not even an air foil. Not legal where I race. Doesn't pull that much vacuum up high. Guys see the MAP climbing with the factory manifold and think they have a restriction. It's not really pulling vacuum, it's the MAP sensor location. It's the Brunelli effect.
Unlike boobies & peckers, bigger ain't always better.
You would need an 8000+ RPM engine to take advantage of those.
If interested, my SS 360" LT1 makes 600 hp with a stock TB, not even an air foil. Not legal where I race. Doesn't pull that much vacuum up high. Guys see the MAP climbing with the factory manifold and think they have a restriction. It's not really pulling vacuum, it's the MAP sensor location. It's the Brunelli effect.
Unlike boobies & peckers, bigger ain't always better.
