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.

not really a swap..

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Old Dec 15, 2007 | 01:47 PM
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buckfever's Avatar
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not really a swap..

hello everyone im new to this forum and this is my first post.. ive been looking at building a 335 stroker for my 87 iroc.. its currently an LB9.. alot of people on other forums told me not to waste my time and just get a 350 to put in it.. anyone on here have any experience with the 335? do they make good power or are these guys right?
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Old Dec 15, 2007 | 01:50 PM
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lonman89's Avatar
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From: Parkersburg,WV
Car: 1985 chevy camaro IROC-Z
Engine: 5.7 litre 350 4 bolt main
Transmission: 700r w/B&M shift kit
Axle/Gears: 10 bolt w/3:42 gears
Re: not really a swap..

just depends on how much money your willing to put in it,it would take alot to make enough power as a stock 350,you would be better off with a 350 in my opinion,i had the 305 tpi in mine and i swapped in a 350 and havent been disappointed yet
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Old Dec 15, 2007 | 02:32 PM
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84redta's Avatar
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From: Stamford, New York
Car: 80 SE/TTA;88 T/A GTA;86 T/A
Engine: 4.9L Turbo; LT1; empty
Transmission: TH350; T56; empty
Axle/Gears: 3:23 disk; 4:10 disk ; 3.42 disk
Re: not really a swap..

yea everywhere you turn people will turn you away from using a 305 (bored out or not) for anything, they will tell you to convert to a 350 right away. If you already got the 335, either try to sell it to re-coup most of your money or use it and just live with it, i'm happy with my 305, and obviously a 335 will get more hp than if you started with a 305, but just remember next time to try and use a 350 if your going for more power and efficiency.
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Old Dec 15, 2007 | 03:30 PM
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Re: not really a swap..

i dont have the 335 yet i was gonna build it outta my 305 but everyone is steering me away from it so i think i wont be doing that.
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Old Dec 15, 2007 | 03:38 PM
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five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Consider this: The difference in cost between building a 334 (it isn't quite 335) vs. 383 is somewhere between $50-150. You can build a 350 for less than either of them.

You can get a 305 running very well without touching the shortblock. In fact, to get decent power out of the 334, you'd have to do everything it would take to get power out of the 305, except you'll spend $700-800 more getting 29 more cubic inches with the 334 - very poor $'s/HP ratio. It's a lot less expensive getting 100 more ponies out of a 305 than it is building a 334.

Bang-for-buck, the 334 just doesn't get there. One member did it several years ago, and he car does run very well; but even he says now he should have done 350 or 383.
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