Anyone have UMI STB and poly enigne mounts?
05-30-2009, 08:41 PM
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Car: 91 RS
Engine: 305 TPI
Transmission: T56
Axle/Gears: Auburn Pro / 3.42
Anyone have UMI STB and poly enigne mounts?
I had the Kenny brown STB on my car for a while and when i put poly mounts in it started rubbing. Looks like the UMI might have alittle bit more clearance. Is anyone running this? I also have SLP runners not sure if that matters though.
05-30-2009, 09:10 PM
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Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: Anyone have UMI STB and poly enigne mounts?
My UMI STB has a pretty decent range of adjustment on the mounts, which could raise & lower the height of where the cross bar ends up. Not a WHOLE lot, but some, at least. I'd guess a good 1/8"-1/4" of difference.
I first mounted mine up as low as possible, to clear my GTA hood, which is doesn't, and while it cleared the TPI plenum, apparently it wasn't enough after the engine torqued over while driving.
I now have a 1/16" deep "scar" that I'm currently trying to sand the top of the plenum down smooth, to get rid of the groove the STB made.
It was a test mount for UMI & expected not to clear the GTA, which we confirmed with my car.
I first mounted mine up as low as possible, to clear my GTA hood, which is doesn't, and while it cleared the TPI plenum, apparently it wasn't enough after the engine torqued over while driving.
I now have a 1/16" deep "scar" that I'm currently trying to sand the top of the plenum down smooth, to get rid of the groove the STB made.
It was a test mount for UMI & expected not to clear the GTA, which we confirmed with my car.
Last edited by Stephen; 05-30-2009 at 09:16 PM.
05-30-2009, 09:11 PM
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Car: 1985 Iroc-Z
Engine: 440LSX
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Axle/Gears: 3.55 Wavetrac
Re: Anyone have UMI STB and poly enigne mounts?
I have a OEM TPI motor and poly motor mounts. My UMI STB clears the plenum but is close. Does not rub.
05-30-2009, 09:14 PM
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Car: 91 RS
Engine: 305 TPI
Transmission: T56
Axle/Gears: Auburn Pro / 3.42
Re: Anyone have UMI STB and poly enigne mounts?
The kenny brown stb i had on the car cleared but would rub from the flex.
05-30-2009, 09:35 PM
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Car: 86 Trans Am, 92 Firebird
Engine: 408 sbc, 3.1L of raw power
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Re: Anyone have UMI STB and poly enigne mounts?
i assume this is going on the camaro? the fitment issues that Stephen mentioned, are for the firebirds, trans am and gta in particular. Camaros do not have this issue.
You should be fine
You should be fine
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