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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Solid motor mounts for LT1

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Old Dec 24, 2009 | 09:14 PM
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Default Solid motor mounts for LT1
Haven't had any luck finding them for an LT1, sphon makes a nice set for the LS1.
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Old Dec 24, 2009 | 09:36 PM
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Originally Posted by 913MOTOR
Haven't had any luck finding them for an LT1, sphon makes a nice set for the LS1.
madman racing sells a nice set!
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Old Dec 24, 2009 | 09:52 PM
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I know Moroso used to make some.
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Old Dec 24, 2009 | 10:08 PM
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http://www.smithperformance.com/cata....html#Firebird Stocker Motor Mounts

http://www.summitracing.com/parts/MOR-62635/
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Old Dec 24, 2009 | 10:15 PM
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I think that I may have some of the ones from Smith and one set of the Moroso. If you are interested I will dig thru my stuff.
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Old Dec 24, 2009 | 10:32 PM
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Yea, let me know, I have poly inserts but I think the more I read the more I wanna go solid and get it over with while the motor and Kmember are out of the car.
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Old Dec 24, 2009 | 11:49 PM
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I have a set also if Gizmo can't find his.
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Old Dec 25, 2009 | 01:59 AM
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i bought a set from madman and i did have to drill one of the holes out on the d/s mount the they're awsome. and they werent too bad price wise.
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Old Dec 25, 2009 | 01:18 PM
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Question for any of you who have run the solid mounts, did they cause much nvh and did they cause false knock? I have a set of the Moroso's which I never installed and I have a new engine and tubular K-frame going in in the next two weeks and I'm thinking about using the solid motor mounts with it.
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Old Dec 26, 2009 | 03:30 PM
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Originally Posted by 97Z28SS
Question for any of you who have run the solid mounts, did they cause much nvh and did they cause false knock? I have a set of the Moroso's which I never installed and I have a new engine and tubular K-frame going in in the next two weeks and I'm thinking about using the solid motor mounts with it.
I've got Morosso's. Knock is ever so slight and false at best. Sure tightens things up though. No regrets here.
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Old Dec 26, 2009 | 05:22 PM
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^^^ Cool beans I guess I'll go ahead and use them reather than pay for poly mounts.
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Old Dec 26, 2009 | 05:58 PM
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I've got the Moroso's also, I didn't pick up any more knocking on DataMaster with them, did have a slight vibration at idle, and yes, they do tighten things up!
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Old Dec 27, 2009 | 11:55 PM
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Would those vibes make the car annoying as a sunny day DD car that gets driven a few hundred miles a week?

Non Cammed, basic bolt on car.
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Old Dec 28, 2009 | 11:07 AM
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Originally Posted by Adam96z
Would those vibes make the car annoying as a sunny day DD car that gets driven a few hundred miles a week?

Non Cammed, basic bolt on car.
Not sure why you would want to put solid motor mounts on a DD bolt on car. Very little will be gained and it may just drive you crazy. Quite a few guys run poly in 9 second rides. If it was a dedicated drag car I wouldnt hesitate to run the solids. No need to ruin your street car IMO.
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Old Dec 28, 2009 | 11:54 AM
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Was more an academic question than anything, as I already have poly mounts.
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Old Dec 28, 2009 | 12:03 PM
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Originally Posted by Adam96z
Was more an academic question than anything, as I already have poly mounts.

I see. Yeah there really would be little reason to switch. What you have will handle alot of power. Many of the FI guys running turbos go to the solids not from just a power perspective, but more out of necessity due to the tremendous amount of heat that comes off of the hot side and eventually melts the mounts. And at this time you dont have that to worry about.

In the future if you do start making big power I could see going to a solid mount but still would avoid it if its a street car.
Last edited by 355TurboLT1; Dec 28, 2009 at 12:28 PM. Reason: spelling
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Old Dec 28, 2009 | 07:54 PM
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I run solid motor mounts in all of my cars and haven't noticed any additional harshness, I was concerned because none of my other cars have "knock sensors".
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Old Dec 28, 2009 | 08:32 PM
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you guys must have an extremely smooth running engine, or a super plushy seat. i can most definitely tell i have solid mounts.
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Old Dec 29, 2009 | 10:37 AM
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Originally Posted by vtec
you guys must have an extremely smooth running engine, or a super plushy seat. i can most definitely tell i have solid mounts.
Same here. Would not want for a DD.
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