LS1 Conversion Mounts
Supreme Member
iTrader: (5)
Joined: Jan 2002
Posts: 13,622
Likes: 5
From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: LS1 Conversion Mounts
I tried the transdapt ones and they didn't work for some reason
The mounts were off by 3/4" or so.
The mounts were off by 3/4" or so. Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
The TransDapt mounts will work if you don't use the factory AC.
Supreme Member
iTrader: (5)
Joined: Jan 2002
Posts: 13,622
Likes: 5
From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: LS1 Conversion Mounts
They don't line up with my moroso solid motor mounts and tubular kmember. I'm assuming it's the possibility of all 3 aftermarket parts being slightly off allowing for the issue. No a/c, power steering, etc on this car. Hoping to get the car trailered up to my buddies shop and begin cutting/welding to make it fit. If I waste more than 3 hours on it, I'll just order a front plate from S&W race cars and just put in a front plate real quick. nothing on my camaro ever wants to just bolt in, just for once I'd like to not have to fab an aftermarket "bolt in" part, but that's racing.
Joined: Jun 2002
Posts: 13,576
Likes: 30
From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
Re: LS1 Conversion Mounts
They don't line up with my moroso solid motor mounts and tubular kmember. I'm assuming it's the possibility of all 3 aftermarket parts being slightly off allowing for the issue. No a/c, power steering, etc on this car. Hoping to get the car trailered up to my buddies shop and begin cutting/welding to make it fit. If I waste more than 3 hours on it, I'll just order a front plate from S&W race cars and just put in a front plate real quick. nothing on my camaro ever wants to just bolt in, just for once I'd like to not have to fab an aftermarket "bolt in" part, but that's racing. 

jeeze steve, seems like a ton of racecar type stuff there....

just kidding...but it does seem like your car is getting more and more racecar treatment everyday, whilst mine is getting closer and closer to a true streeter again.
to answer the original poster's question. the spohn motor mounts are not the only ones, but they sure to work GREAT. i just installed mine this afternoon. i don't have any personal experience with these other than this set, but i've heard great things about them. also, if you're planning to use the hawks headers, they were designed to work in conjuction with the spohn mounts so fitment is garaunteed if you use these mounts.
Supreme Member
iTrader: (5)
Joined: Jan 2002
Posts: 13,622
Likes: 5
From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: LS1 Conversion Mounts
i got radio, plates, insurance, wipers, heat, 2 seats in the car, all glass, etc etc. It's still a street car no doubt. My car didn't have A/C in 84 or power options anyways so when people cry about it to me, I tell them this isn't a brand new 4th gen that I gutted. They come that way from GM.
Re: LS1 Conversion Mounts
jeeze steve, seems like a ton of racecar type stuff there....
just kidding...but it does seem like your car is getting more and more racecar treatment everyday, whilst mine is getting closer and closer to a true streeter again.
to answer the original poster's question. the spohn motor mounts are not the only ones, but they sure to work GREAT. i just installed mine this afternoon. i don't have any personal experience with these other than this set, but i've heard great things about them. also, if you're planning to use the hawks headers, they were designed to work in conjuction with the spohn mounts so fitment is garaunteed if you use these mounts.

just kidding...but it does seem like your car is getting more and more racecar treatment everyday, whilst mine is getting closer and closer to a true streeter again.
to answer the original poster's question. the spohn motor mounts are not the only ones, but they sure to work GREAT. i just installed mine this afternoon. i don't have any personal experience with these other than this set, but i've heard great things about them. also, if you're planning to use the hawks headers, they were designed to work in conjuction with the spohn mounts so fitment is garaunteed if you use these mounts.
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Joined: Jun 2002
Posts: 13,576
Likes: 30
From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
Re: LS1 Conversion Mounts
i got radio, plates, insurance, wipers, heat, 2 seats in the car, all glass, etc etc. It's still a street car no doubt. My car didn't have A/C in 84 or power options anyways so when people cry about it to me, I tell them this isn't a brand new 4th gen that I gutted. They come that way from GM.
oh, and i have all four seats in my car :thumbups:
Supreme Member
iTrader: (5)
Joined: Jan 2002
Posts: 13,622
Likes: 5
From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: LS1 Conversion Mounts
sounds like yours is getting more and more of the race car treatment every time I check into it.
Defrosters front and rear are needed up here so that electrical box wouldn't work out for me for heat I don't think.
Defrosters front and rear are needed up here so that electrical box wouldn't work out for me for heat I don't think. Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Supreme Member
iTrader: (5)
Joined: Jan 2002
Posts: 13,622
Likes: 5
From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: LS1 Conversion Mounts
you can't put them on upside down since they reuse the old stlye setup. There's 2 tapped holes on the top and 1 hole on the bottom that reuses the ls1 factory hole. I still haven't gotten it up on a lift to look at it from below, but I'll post what the solution was when I get it to my buddies shop.
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