roots blower

[coryz28]

weiand 142 or 144 roots blower on 88-93 chevy throttle bodied 350 anyone got pics.

[BLOWN91350SS]

At home but not digital. I would have to scan them. What do you want to know?

[coryz28]

gonna put one on just been wantin to see some pics wonderin how it well look and if it will fit under the stock hood

[DJTricky]

im lookin for that to,

[BLOWN91350SS]

Fits just fine. Looks O.K, but that's not why I bought it. I bought it for the 100 HP and approx 100 ft-lbs of torque it adds. I'll try and find the camera pics tonight and scan them at work tomorrow and post.

[BLOWN91350SS]

Here's the scanned pics

[coryz28]

nice I was also wanting for the extra power to. about how much does the kit go for.

[BLOWN91350SS]

Looks like they are now about $3200 for the Weiand 142 TBI SC unit from Summit

[S/C Z71]

Only a 100/100 gain? It looks nice and clean. You can barely even tell it's there.

[BLOWN91350SS]

They are not quite as effecient (adiabatically) as the twin screw Whipple. They say 100/100 on a stock engine. With the cam and headers/exhaust I'm up to about 375 HP/420 ft-lb at the motor (reverse calculated from the rear wheel dyno estimating a total of 20% parasitic losses). At the time I think the whipple was like $4000 USD new and this B&M one was $1900 USD all inclusive. That's pretty much why I bought it because it was 1/2 the price. Don't forget, these are the old TBI engines so it takes a little more effort to make good power numbers yet still keep it emissions compliant. The injectors are one of the bigger issues.

[90C350]

Not to interupt but Are you running additional injectors or have you tuned it with more pressure? Just wondering because im thinking of doing the same thing to mine but didnt want the hassle of running add on injectors. Thanks for any info!!!

[BLOWN91350SS]

80 or 90 lbs/hr (can't remember exactly) 454 injectors, boost referenced fuel pressure regulator and custom burned PROM to make these all work.

Base FP is supposed to be 13 psi at idle going up to 22 at full boost. I can't confirm these exact numbers though because I don't have the fuel pressure gauge installed yet.

[Chevy1500z71]

Originally Posted by BLOWN91350SS

80 or 90 lbs/hr (can't remember exactly) 454 injectors, boost referenced fuel pressure regulator and custom burned PROM to make these all work.

Base FP is supposed to be 13 psi at idle going up to 22 at full boost. I can't confirm these exact numbers though because I don't have the fuel pressure gauge installed yet.

i put a guage on mine and thats right about what mine does except more like 15psi at idle. i also have 454 injectors ready to install when im ready to start tuning...