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.

LT1 alternator hitting valve cover

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Old Mar 21, 2010 | 02:43 AM
  #1  
88monteSS's Avatar
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From: Around, IN
Car: 92 RS/97 K3500/07 ISS
Engine: LT1/454/LS4
Transmission: 4L60E/4L80E/4T65E-HD
Axle/Gears: 2.73/4.10/3.29
LT1 alternator hitting valve cover

So I'm about 85% through swapping a LT1 into my 92 RS, and I was bolting all the accessory brackets on to the engine today in preperation for dropping it in and I found that my alternator will not clear the aftermarket valve cover. I'd gotten a set of tall covers: http://www.summitracing.com/parts/PRO-141-131/ for 2 reasons, one they look better than the stock ones, and two I'd been told that since I was using full roller rockers that I'd need the additional clearance. I'm still using the stock cam, and the rockers are the stock 1.5 ratio. Has anyone ran into this situation? Do I have enough clearance with the stock covers for the rockers?
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Old Mar 21, 2010 | 08:06 AM
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chevyowner02's Avatar
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From: Kingsport Tenn
Car: 1992 camaro
Engine: LT1
Transmission: 4L60E
Axle/Gears: 3:73
Re: LT1 alternator hitting valve cover

You will have to grind the alternator there is a pic in this post he has the same valve covers.
https://www.thirdgen.org/forums/ltx-...p-project.html
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Old Mar 21, 2010 | 09:39 PM
  #3  
88monteSS's Avatar
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Joined: Jul 2009
Posts: 77
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From: Around, IN
Car: 92 RS/97 K3500/07 ISS
Engine: LT1/454/LS4
Transmission: 4L60E/4L80E/4T65E-HD
Axle/Gears: 2.73/4.10/3.29
Re: LT1 alternator hitting valve cover

Not sure I really want to go grinding on the alternator, so before I do that, does anyone know if roller rockers will clear the stock valve covers?
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Old Mar 22, 2010 | 04:56 AM
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From: Kingsport Tenn
Car: 1992 camaro
Engine: LT1
Transmission: 4L60E
Axle/Gears: 3:73
Re: LT1 alternator hitting valve cover

Originally Posted by 88monteSS
Not sure I really want to go grinding on the alternator, so before I do that, does anyone know if roller rockers will clear the stock valve covers?
They will just gotta cut them
Attached Thumbnails LT1  alternator hitting valve cover-valve_c_mod.jpg  
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