CFM from v6 TB?
08-24-2004, 07:45 AM
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Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
CFM from v6 TB?
whats the cfm rate from our stock tb's?
And what is the cfm rate from the dual 48's or whatever is stock on the TPI's.
Doing a little simulation
And what is the cfm rate from the dual 48's or whatever is stock on the TPI's.
Doing a little simulation
08-24-2004, 07:56 AM
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Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
ugh 
3.1l, 3.50 bore x 3.31 stroke
stock valves, 1.72 and 1.42
308 cfm at 3.0hg "tuned port"
stock manifolds and mufs
stock cam, hyd, .394 and .410 at 10btdc
I'm only getting 126hp at 4400rpm, and 180tq at 3000
This is off from what the car was rated
The 3.4 sim I did was WAY off
3.1l, 3.50 bore x 3.31 stroke
stock valves, 1.72 and 1.42
308 cfm at 3.0hg "tuned port"
stock manifolds and mufs
stock cam, hyd, .394 and .410 at 10btdc
I'm only getting 126hp at 4400rpm, and 180tq at 3000
This is off from what the car was rated
The 3.4 sim I did was WAY off
08-24-2004, 11:16 AM
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Car: '87 Cam RS V6
Engine: Top Secret
Transmission: DYT700R4 custom inerts and conv.
Thats showing RWhp tthough, isn't it? The rating on our cars (Yours being a 3.1 originally) is flywheel hp at 140. So that figure is actually sounding a little high.
08-24-2004, 12:00 PM
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Car: check
Engine: check
Transmission: check
Re: CFM from v6 TB?
Originally posted by Dale
whats the cfm rate from our stock tb's?
And what is the cfm rate from the dual 48's or whatever is stock on the TPI's.
Doing a little simulation
whats the cfm rate from our stock tb's?
And what is the cfm rate from the dual 48's or whatever is stock on the TPI's.
Doing a little simulation
The 52mm unit flows 849CFM at 2"Hg.
RBob.
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08-24-2004, 04:12 PM
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Car: 86 Berlinetta 84 MonteCL
Engine: 3.4 MPFI 3.8 229
Transmission: 700r4 T350
Might wanna look at the duration specs on the cam profile. I worked up a completely stock 2.8, 3.1 and 3.4 In DDYNO, all of them were withing 3-5% of quoted factory specs. Somthing's not right with the way your cam profile is programed.
08-24-2004, 09:05 PM
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08-24-2004, 09:47 PM
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Car: 91 Camaro
Engine: 3.1...not hardly stock
Transmission: 700r4....not stock either
Axle/Gears: 3.73
there's gotta be an option in there somewhere to change duration. duration is what makes a cam good or bad for the most part. keep looking around inside the program, i'm sure you'll find it. that can really change your hp numbers.
08-25-2004, 10:40 AM
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