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Reload this Page 350 engine question

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 05-11-2008, 06:41 PM   #1
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Join Date: Dec 2007
Location: Missouri
Posts: 246
Car: Camaro RS
Engine: 96 lt1
Transmission: t56
Axle/Gears: 3.23

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350 engine question
I have a 10243880...350...95-00...2 or 4...Vortec truck, Gen.I crate motors and "ZZ4", roller cam, one piece rear seal engine with 14102193...87-up...305/350......1.94"/1.5" valves heads and I want to know more about this engine as i am stuck with it for a few reasons. I have found out that this is supposed to be a crate engine from gm but it has truck tbi heads and not vortec heads as i originally thought. What would be the most reasonable way to swap out my old 305?? here is a parts list i came up with

Camaro parts list
1.350 engine with truck tbi heads
2.350 tbi unit
3. Not sure what cam
4. Full mac exhaust here weld metal EGR pipe to exhaust 844.00
5. Fuel pressure adjuster spring here 23.00 shipped
6. Better fuel pump here 100.00 shipped
7. 350 Electronic spark control here 75.00
8. B&M tork master torque converter
9. Rearend posi drum/disc 3.73 here 250
10. Tbi chips custom tune 100-300 here

All i need is some kind of cam that will work with the tbi heads to get at least 350 horsepower if that isnt possible than what heads can i get cheap to reach my goal? thanks in advance
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Old 05-12-2008, 03:52 PM   #2
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Join Date: Mar 2000
Location: Littleton, CO USA
Posts: 33,342
Car: 82 Berlinetta(2)/57 Bel Air
Engine: 86 LG4-> ZZ3(LS1)/mild 396
Transmission: TH700(T56)/TH400
Axle/Gears: 10-bolt 3.23(4.10)/8.2" 10-bolt4.11

Classifieds Rating: (3)
A reasonable cam would be a LT1 take-out cam. You won't get to 350 HP with those heads, but certainly better than the 170 you've got now - perhaps 250-275.

Your link for the exhaust just goes to a "shopping cart" page. Worked for you, won't work for us.

Reasonable heads to support the ZZ4 cam would be http://www.sdparts.com/product/SD806...keHeaders.aspx . Not sure about the 350 HP part, but you'd be a lot closer.
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Old 05-12-2008, 07:46 PM   #3
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Car: Camaro RS
Engine: 96 lt1
Transmission: t56
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Re: 350 engine question
Sorry about the link its a full mac exhaust. Ive decided to go with the vortec 062 heads and a Comp cams CC305 7-305-8 here what valve springs and retainers do you recommend with this setup? how much hp and tq will i be close to?
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Old 05-12-2008, 09:48 PM   #4
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Join Date: Mar 2000
Location: Littleton, CO USA
Posts: 33,342
Car: 82 Berlinetta(2)/57 Bel Air
Engine: 86 LG4-> ZZ3(LS1)/mild 396
Transmission: TH700(T56)/TH400
Axle/Gears: 10-bolt 3.23(4.10)/8.2" 10-bolt4.11

Classifieds Rating: (3)
Where are you getting the heads? If they are JY heads, you'll have to have them modified to handle that much lift. The ones from SD Parts I listed come ready for either cam.
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Old 05-12-2008, 10:04 PM   #5
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Location: Missouri
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Car: Camaro RS
Engine: 96 lt1
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Re: 350 engine question
he problem with that is i am running tbi not carb and if i do get the carb to tbi adapter i will need a new hood. what modifications do i need to do?
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Reload this Page 350 engine question
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