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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.
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Old 08-15-2008, 01:43 AM   #1
Demon_Eater
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Car: 91 Camaro RS
Engine: Vette 350
Transmission: Vette T56

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My engine swap for a 91 camaro, Pictures inside

I've started on taking my engine apart since Monday, been working on it when I have time, It first was in my friends shop, but I got ranned out by his father, so we towed my car home (safely) and been working on it, I have recent pictures of it, and how its going.

(Note: This is my first swap, and I have been doing this swap by my self, since most of my friends cant help me or dont want to. my friend jon has been trying to help a few times, but not as much as I want him to, and my father hasnt been really around to help, and I have to get this engine swap finnish before next week, so I'm taking it slowly, all I got left is undoing the motor mounts, and take off the two remaining transmission bolts, and I'll be ready to take it out.)

This engine was built by a private builder, I'm not too fond of what I thought of expecting to see in it. 350, has a complete hydraulic roller setup, aftermarket intake, HEI distributor, chrome vavle covers, chrome air cleaner (going to get a smaller one for hood clearance.) chrome timing cover. I bought a Holley Street Avenger 670 cfm, vacuum secondary. I'm looking about 360 HP and 380 TQ out of this engine.

(I will get more pictures up soon, later.)






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Last edited by Demon_Eater : 08-15-2008 at 01:48 AM. Reason: Automerged Doublepost
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Old 08-15-2008, 01:39 PM   #2
five7kid
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Location: Littleton, CO USA
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Car: 82 Berlinetta(2)/57 Bel Air
Engine: 86 LG4-> ZZ3(LS1)/mild 396
Transmission: TH700(T56)/TH400
Axle/Gears: 3.23(4.10)/3.73

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Looks decent.

Why the vacuum secondary carb?
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Old 08-15-2008, 01:53 PM   #3
mario82z28
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Car: 82' z28/03' eddie bauer explorer
Engine: 355-395hp/4.6v8
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Axle/Gears: 3.42LSD/3.73

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Re: My engine swap for a 91 camaro, Pictures inside

looks good you'll probably not going to like the secondary carb especially if your running a big cam, my .520 lift cam in car doesn't even put out enough vacuum for the brake booster
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Old 08-15-2008, 07:03 PM   #4
five7kid
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Car: 82 Berlinetta(2)/57 Bel Air
Engine: 86 LG4-> ZZ3(LS1)/mild 396
Transmission: TH700(T56)/TH400
Axle/Gears: 3.23(4.10)/3.73

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Umm, the vacuum secondary is opened via the venturi vacuum produced in the primaries by flow, not the manifold vacuum. . .
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Old 08-16-2008, 01:45 AM   #5
Demon_Eater
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Car: 91 Camaro RS
Engine: Vette 350
Transmission: Vette T56

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Re: My engine swap for a 91 camaro, Pictures inside

I don't have a very big cam in it, (222'@.50" and .447'' Lift). My friend advised me to go with a vacuum secondary, and I don't know carbs much, but I don't really care either, it looks like a decent carb. I do think I will change alot of the parts off this engine anyway later in my future (I was so not happy with what I got for the engine, but I dont want to go into detail with it.)

I've been at this swap since monday and it was suppose to be done today (Friday - 8/15/08) My friends were suppose to help, but they couldnt get around it, and neither me when I had to work everyday. so I took the rest of the weekend off and monday, I do hope to get things finnished by sunday night, but I wont get my hopes up.

(update on the engine swap: we got the old engine out, and took off the sensors we Do need off the old onto the new, almost finnished and we are about to put in the new one tommrow afternoon if I get to work on it in the morning.)
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Old 09-19-2008, 04:27 PM   #6
Demon_Eater
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Car: 91 Camaro RS
Engine: Vette 350
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Re: My engine swap for a 91 camaro, Pictures inside

I haven't been updating this thread, We got the car running (we had to pull the engine 4 times, and the corvette 6 speed out 3 times )
well, first day we got it going, my 6 speed works pretty good, except I cant get into 5th gear, it feels like the gear has been rounded up pretty good, so I think next summer I'll pull the tranny and send it somewhere to just replace the fifth gear.
Well, first day, the starter goes out
soon as we got that in, the fuel pump went out.
we got that replaced too, and the car runs great.
I haven't really experance what kind of power I got in the engine yet, because I found out my carb is hitting my intake manifold,
So I cant use my secondaries, until I raise the carb up another two inchs. (I beleive.)
later I hope to buy a Iroc Daytona hood, and then I'll worry about rasing the carb up later.
I still have to do something with my rear axle, Any ideas? Im still running stock gears in it. I dont know if I should replace the whole rear axle or just the gears.
another thing Im going to do is, make a custom gauge cluster, because my speedometer wont hook up to my 6 speed, so I cant tell how fast im going, and I want to make the car look pretty much all customized.
I have alot more plans to do, but I dont see it happening it all this year.
(Im still in highschool, but I work every day.)
So I guess we'll see what happens till then.
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