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.

Big Block or ls1

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Old Feb 25, 2015 | 01:17 PM
  #1  
'87camaro305's Avatar
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From: Augusta, KS
Car: 1987 camaro
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Big Block or ls1

I have a 1987 Camaro base model with a 305 carbureted. I'm thinking about an engine swap for a future project and I wanted some opinion. I don't know if I want an ls1, a chevy big block, or something like a 383 stroker or 396. I would race it, but would also daily drive it a little, but not all the time. Thoughts???
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Old Feb 27, 2015 | 05:58 AM
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Car: 1990 Trans Am GTA
Engine: Turbo 305 w/MS2
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Re: Big Block or ls1

Originally Posted by '87camaro305
I have a 1987 Camaro base model with a 305 carbureted. I'm thinking about an engine swap for a future project and I wanted some opinion. I don't know if I want an ls1, a chevy big block, or something like a 383 stroker or 396. I would race it, but would also daily drive it a little, but not all the time. Thoughts???
Any engine can be made to go really fast, even a V6. Ask yourself if gas mileage is important to you being you plan on daily driving it some, and if it is, then out of the four engines that you mentioned above I would go LS1...
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Old Feb 27, 2015 | 07:49 AM
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'87camaro305's Avatar
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From: Augusta, KS
Car: 1987 camaro
Engine: 305
Transmission: 700R4 4 speed automatic
Re: Big Block or ls1

Originally Posted by Street Lethal
Any engine can be made to go really fast, even a V6. Ask yourself if gas mileage is important to you being you plan on daily driving it some, and if it is, then out of the four engines that you mentioned above I would go LS1...
Okay that makes sense, but I want something that will make a good amount of horsepower. I know the ls would make around 300 but I want something around 400 or more...
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Old Feb 27, 2015 | 08:48 AM
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From: NYC / Jersey
Car: 1990 Trans Am GTA
Engine: Turbo 305 w/MS2
Transmission: 700R4
Re: Big Block or ls1

Originally Posted by '87camaro305
Okay that makes sense, but I want something that will make a good amount of horsepower. I know the ls would make around 300 but I want something around 400 or more...
You have way more choices than you realize. An L98 can easily make over 400 horsepower with the right parts, even a 305 can easily make over 400 horsepower if you add a power adder, then there is the LTX, LSX, I mean the sky is the limit. I myself tend to stick with what the vehicle came with, as I always cringe at car shows when I see an engine from a different generation resting in a 3rd gen, but that is just me. Four hundred horsepower is a piece of cake today, just figure out what works best for you, then run with it...
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Old Feb 27, 2015 | 09:36 AM
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Re: Big Block or ls1

A big block is really going to fill up your engine bay and honestly not give you any more hp options than a small block would (unless you go like...CRAZY big block).

400 hp is a good number and definitely gives you a quick car. Unless you buy a 400 hp crate engine though you are going to have to modify any engine that you drop in to get it to that amount.

That being said, why not go sbc? If you already have a carb'd car it just seems to make sense.
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Old Apr 15, 2015 | 11:49 AM
  #6  
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From: North Salt Lake
Car: '86 Camaro, '94 Camaro, 3 others
Engine: LG4 ->L29, L32->LR4, L36, LG4, L31
Transmission: 700R-4, T5WC, 4L80E, SM465, 4L60E
Axle/Gears: 3.42, 3.23, WTB/WTT 2.93
Re: Big Block or ls1

Originally Posted by Street Lethal
I myself tend to stick with what the vehicle came with, as I always cringe at car shows when I see an engine from a different generation resting in a 3rd gen, but that is just me. .
If there's no engine swap then it seems to me like the owner just didn't even care. A few bolt-ons. Any non-enthusiast can pay any shop for that.
Besides, the LS1 was rated 305 HP in the '98 Z28, but it wasn't many days before some shop in Texas had one out of the car, on an engine dyno, and found 400 HP with no cheating. That's why the HP at the rear wheels was over 300, right off the showroom floor. That's how a Ford magazine editor, Evan Smith, got a stock '98 Z28 to run a 12.89 at 109.18. Without drag tires.
You can't do that in a 3500# car if the engine's only putting out 305 HP.
With nearly any cam, long tube headers, and a tune, you're at 400 RWHP. Good luck getting a 1970 LS6 454 to do that. You'd need World Merlin heads at a minimum, in addition to headers.
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Old Apr 15, 2015 | 12:13 PM
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Re: Big Block or ls1

me....454/500 HP

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Old Apr 15, 2015 | 01:28 PM
  #8  
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From: North Salt Lake
Car: '86 Camaro, '94 Camaro, 3 others
Engine: LG4 ->L29, L32->LR4, L36, LG4, L31
Transmission: 700R-4, T5WC, 4L80E, SM465, 4L60E
Axle/Gears: 3.42, 3.23, WTB/WTT 2.93
Re: Big Block or ls1

With manifolds instead of headers, I doubt it.
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Old Apr 15, 2015 | 01:37 PM
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Axle/Gears: 3.27
Re: Big Block or ls1

Don't nit pick Cosmick. It was a picture from the net of a 454 stating 500 horses.
I seen that too.
I would go big block just because.
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Old Apr 15, 2015 | 03:56 PM
  #10  
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From: Augusta, KS
Car: 1987 camaro
Engine: 305
Transmission: 700R4 4 speed automatic
Re: Big Block or ls1

I've settled on an ls2 actually. New technology and I can get some serious ponies out of it.
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Old May 3, 2015 | 11:34 PM
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Car: 1988 Pontiac Transam GTA Notchback
Engine: 2003 Chevy 5.3 Vortec (325 cu)
Transmission: 4L60E
Axle/Gears: 3.27
Re: Big Block or ls1

good for you, thats exactly what I would have gone with if I had the time and money. Maybe one day I will go from LS1 to a newer motor.

You will be very happy with the LS2 - great power, good tuneability, excellent mpg and really the pro's list goes on
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