Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

more than likely a common question

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Old May 12, 2010 | 08:16 PM
  #1  
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From: Richmond VA
Car: 83 camaro z28, 92 xj
Engine: 305 Crossfire (lu5)
Transmission: 700r4
Axle/Gears: richmond gear 3.73:1
more than likely a common question

i bought an 85 camaro, and was wondering.

It has the 305 crossfire injection.. and frankly.. it doesnt have enough power for me. so i was wondering what would be a good swap to give me more power and still be able to drive it regularly...

i was wondering whether it was possible and what it would take to put an ls1 into it without having to chop a whole bunch of stuff. any suggestions are welcome and appreciated. thanks for taking the time.

-spike
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Old May 12, 2010 | 08:51 PM
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From: Arlington, Tx
Car: 91 Camaro RS
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Transmission: Built T-56
Axle/Gears: 3.42 stock posi disc
Re: more than likely a common question

An LSx swap takes some effort and a lot of new parts, but its been done many many times on here. If you want to keep the 305 but ditch the Crossfire, you can easily convert it to carb. Youd need a new intake, carb of course, and an HEI distributor. Or find a CC carb setup. You could also find a TBI or TPI setup and use that if you wanted to keep fuel injection. Either way you go, your stock computer will either have to be tossed or replaced with the CC carb/TBI/TPI computer and wiring harness.

If you do ditch the crossfire though, Im sure there is someone here who would be more than happy to take the full setup off your hands.
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Old May 12, 2010 | 09:18 PM
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From: Richmond VA
Car: 83 camaro z28, 92 xj
Engine: 305 Crossfire (lu5)
Transmission: 700r4
Axle/Gears: richmond gear 3.73:1
Re: more than likely a common question

yeah, the crossfire is just a mess. but i figured for 1200 the car was worth it. i did want to keep it all original but i dont think its worth it.
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Old May 12, 2010 | 09:54 PM
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From: Arlington, Tx
Car: 91 Camaro RS
Engine: empty bay (for now)
Transmission: Built T-56
Axle/Gears: 3.42 stock posi disc
Re: more than likely a common question

Theres always a few people getting rid of TPI setups in the classified.
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Old May 12, 2010 | 10:00 PM
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From: Arlington, Tx
Car: 91 Camaro RS
Engine: empty bay (for now)
Transmission: Built T-56
Axle/Gears: 3.42 stock posi disc
Re: more than likely a common question

Like this one for example.
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Old May 12, 2010 | 11:27 PM
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Re: more than likely a common question

Up to 4500 rpm, a TPI 350 will feel like half again the engine the cease fire 305 is. with smart mods, you can get a TPI 350 over 400 hp, and close to 500 ft-lbs, but it's still a 5000 rpm engine.
There are other intake manifolds for an EFI 350 if you want 500 horses and 6500 rpm, but that really is LS1 territory. It'll do those things cheaper.
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Old May 13, 2010 | 06:12 PM
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Re: more than likely a common question

i was wondering whether it was possible and what it would take to put an ls1 into it without having to chop a whole bunch of stuff. any suggestions are welcome and appreciated. thanks for taking the time.
Im curious what is supposed to be chopped up for a LSx swap? The only thing I cut for my swap was my battery tray for the 4th gen overflow tank, and that was aesthetics only
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Old May 13, 2010 | 06:17 PM
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From: Arlington, Tx
Car: 91 Camaro RS
Engine: empty bay (for now)
Transmission: Built T-56
Axle/Gears: 3.42 stock posi disc
Re: more than likely a common question

I think he was just referring to what parts would need to be replaced for the ls1, since a lot of things cant be reused from his current engine.
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Old May 14, 2010 | 12:11 PM
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Originally Posted by Spike_Akers
i bought an 85 camaro, and was wondering.

It has the 305 crossfire injection...
Very curious, because the last year of Crossfire was 1983.
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Old May 22, 2010 | 08:30 PM
  #10  
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From: Richmond VA
Car: 83 camaro z28, 92 xj
Engine: 305 Crossfire (lu5)
Transmission: 700r4
Axle/Gears: richmond gear 3.73:1
Re: more than likely a common question

Originally Posted by five7kid
Very curious, because the last year of Crossfire was 1983.
yeah. i figured that one out too.

the guy i had bought this car from is a friend so getting the info wasnt hard. he bought the camaro from someone with no title. but junked an 85 and switched #'s.. so.. its an 83 with an 85 title... got her runnin!! talk about a sweet ride.. just had to find the right wire.. strait piped, and bored 30 over.. i think im gunna leave her just how she is.
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Old May 22, 2010 | 08:32 PM
  #11  
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From: Richmond VA
Car: 83 camaro z28, 92 xj
Engine: 305 Crossfire (lu5)
Transmission: 700r4
Axle/Gears: richmond gear 3.73:1
Re: more than likely a common question

i'll post some pics of her as soon as she's painted.
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Old May 22, 2010 | 08:34 PM
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From: Arlington, Tx
Car: 91 Camaro RS
Engine: empty bay (for now)
Transmission: Built T-56
Axle/Gears: 3.42 stock posi disc
Re: more than likely a common question

WOW, thats illegal as hell. If anyone ever looks into it, youre gonna be in some deep ****.
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Old May 22, 2010 | 08:40 PM
  #13  
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From: Richmond VA
Car: 83 camaro z28, 92 xj
Engine: 305 Crossfire (lu5)
Transmission: 700r4
Axle/Gears: richmond gear 3.73:1
Re: more than likely a common question

tell me bout it.. but like you said... IF...
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Old May 22, 2010 | 08:41 PM
  #14  
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From: Arlington, Tx
Car: 91 Camaro RS
Engine: empty bay (for now)
Transmission: Built T-56
Axle/Gears: 3.42 stock posi disc
Re: more than likely a common question

Cross your fingers and pray.
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Old May 22, 2010 | 08:41 PM
  #15  
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From: Richmond VA
Car: 83 camaro z28, 92 xj
Engine: 305 Crossfire (lu5)
Transmission: 700r4
Axle/Gears: richmond gear 3.73:1
Re: more than likely a common question

every day...
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