LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

LSA hood clearance

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Old Apr 10, 2015 | 03:45 PM
  #1  
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Car: 91 RS
Engine: LT1
Transmission: T56
Axle/Gears: 3.42 LSD
LSA hood clearance

Does anyone know by how much the LSA blower hits the stock hood?

I'm going to be starting this build shortly and I really like to retain the stock hood. I'm hoping if the interference is minimal I can make some custom mounts and lower the engine.
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Old Apr 11, 2015 | 02:36 PM
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From: Northwest SC
Car: 91 RS
Engine: LT1
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Axle/Gears: 3.42 LSD
Re: LSA hood clearance

We I finally had an engine to do a quick test on. It seems the LSA blower with ZL1 lid is .25" taller than a truck intake. Does any know how close a truck intake is to fitting?
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Old Apr 11, 2015 | 04:04 PM
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From: Northwest SC
Car: 91 RS
Engine: LT1
Transmission: T56
Axle/Gears: 3.42 LSD
Re: LSA hood clearance

Found a good picture here: https://www.thirdgen.org/forums/ltx-...ml#post4460125
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The ZL1 lid is at it's tallest point about 3" behind the hose that sticks up in the middle of that picture. If I can mount the engine .75" lower and remove some of the hood bracing there this might work.
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Old Apr 12, 2015 | 08:44 PM
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Car: 92 Firebird
Engine: 4.8 LR4
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Re: LSA hood clearance

Speartech put an LS9 blower in a Camaro, but he had to do some custom work on the manifold to get it to work. He flipped the intercoolers around so the were fed in the back instead of the front.
Not sure if the LSA is the same or not though
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