BOTTLEDZ28

iTrader: (9)

I put a new engine in my 91z28 and added Energy Suspension motor mounts and now the engine sits a lot higher then normal. I had to have 1/2 inch spacers made for the Hotchkis strut tower brace so it wouldnt hit the plenum and now I just put my Harwood 2 1/2 inch cowl hood on and i cant even close it because it hits the brackets for the strut tower brace. anybody have the problem. I may have to notch out 2 square holes on the underside of the hood to get it to shut. dont worry it hits on a lower reinforcement area for the hood so there wont be 2 holes in the hood.

ede

i have the es poly mounts in my car. there is no way they'd work or fit other than stock size. are you running aftermarket tpi? as for the hood it may not of been made to clear a STB since factory cars don't have one.

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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM

Ed Maher

ede, he sounds like he already had the STB/hood since he is making a comparitive statment. I have the same STB (not installed yet, but i have test fit) and it should definitely have the clearance under the plenum, as well as hood clearance as stock it dfoesn't go above the strut caps. He put spacres under the STB to clear the plenum, and now it hits the hood.

Hmm, been a while since i played with motor mounts. Is it possible that you got the wrong ones? I think chevy trucks use a similar design but are taller. Or, is it possible to put them on upside down to normal forcing the through bolts to be higher?

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Ed Maher - Moderator @ The TPI & Carb Boards
92 Z28 Convertible - Quasar blue / Tan top
305 TPI A4 2.73 - 14.8 @ 93.1
Stock except ported plenum and dual cats
-=ICON Motorsports=-

- Definitely prototypes, high powered mutants of some kind. Too weird to live, too cool to die

ede

it's been a while since i put in the es poly mounts but i was thinking there is a tab or something that makes them only work one way and the clam shell halves mate back upand fit flush together. it could happem that the mount halves don't fit tightly and still the bolts to the k member tighten up without allowing the engine to fully settle in place.

BOTTLEDZ28

iTrader: (9)

I replaced each mount one at a time to make sure they where installed correctly. I dontthink they can be put in backwards since the bolt holes wont line up. Will I damage something witht h emotor being a little higher then it was.

GiddyUP305

i had a slight problem with the install of my STB it did rub on the hood a little pushed up on it when it was closed i removed one of the black clips that hold the hood insulation on and adjusted the bumpers in the nose near the latch Cured!



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1991 ASC firebird convertible
-305 V8 tbi
-700-r4 W/ slp shift kit
-k&n open element
-Cherrybomb exhaust
-HP motorsports STB
-McEwen white face guages
-Alpine sound
-Ground zero springs
-KYB shocks/struts
-16" diamond spoke wheels
-245-50-16 Gforce tires

BOTTLEDZ28

iTrader: (9)

even ifmy hoof bumpers are off, it wont make a difference my hood doenst even hit the latch yet and it already is hitting the brace.