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Tool Talk Discussion Forum

choosing engines 327,350,400?

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unanimous

01-31-2008 18:30:58




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What is the best engine for a street motor. A chevy 327, 350, or a 400 small block. i know the 400 will have more torque but has lesser rpms. the 327 has high rpms though.




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frankiee

02-02-2008 08:07:00




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 Re: choosing engines 327,350,400? in reply to unanimous, 01-31-2008 18:30:58  
The 327 has appeal to it. Has a good history to it. It is light and quick. Quite a famous engine.
Depends on your preference and what you want as a result.



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timcasbolt

02-02-2008 11:20:03




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 Re: choosing engines 327,350,400? in reply to frankiee, 02-02-2008 08:07:00  
ummm, all small block chevies weigh pretty much the same, give or take a few pounds. the 327 had a good reputation because it had 10.5-1 compression, and with the available fuel at the time was a good steady performer in a light weight car.



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timcasbolt

02-01-2008 18:54:35




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 Re: choosing engines 327,350,400? in reply to unanimous, 01-31-2008 18:30:58  
Guess it all depends on your budget, but there's no replacement for displacement. Finding a good factory 400 block is getting tougher every year, though, and adding an extra $2000 to the project for an aftermarket block might make the extra inches cost prohibitive. If I was going for a hot street motor for up to $5000, it would be a 427 or larger. Under $3000 would have to be a 383.



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1936

02-01-2008 17:31:27




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 Re: choosing engines 327,350,400? in reply to unanimous, 01-31-2008 18:30:58  
The 400's had a bad history of cracked heads. Pleanty more 350's any hole.



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dr sportster

02-01-2008 13:19:01




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 Re: choosing engines 327,350,400? in reply to unanimous, 01-31-2008 18:30:58  
See;THE CHEVROLET RACING ENGINE by BILL JENKINS{mechanical engineering degree from CORNELL]and POWER SECRETS by SMOKEY YUNICK[also mechanical engineer and genius of circle track].Youll need these books to play with small blocks anyhow.Jenkins [as I recall]preffered the 350 case over the 400 due to the siamese cylinder casting of the 400.I dont even know if Im remembering right but both great books.My personal 400 ran very hot.

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ericlb

02-01-2008 03:55:58




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 Re: choosing engines 327,350,400? in reply to unanimous, 01-31-2008 18:30:58  
it it was my choise i would go with the stroker 383, there available over the counter and seem to be the overall best for power and reliability in a smallblock chevy, i don't know what your going to put this in, but 400+ hp should be enough for a street driver, you can make more with it, but unless your a guy that lives and breaths engins, if you get too radical it will be a handfull to drive, and you'll spend a vast amount of time tuning and tinkering with it instead of enjoying it

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buickanddeere

02-01-2008 02:45:50




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 Re: choosing engines 327,350,400? in reply to unanimous, 01-31-2008 18:30:58  
As per your earlier posts in other forums. It depends on the combination of parts & how much $$$. All other factors identical, the 400 will out torque & out HP HP the 327. A 400 can be built to make peak HP at 6000rpms and a 327 can run out of breath at 4500rpms, all depends.



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jonjon

02-01-2008 05:15:53




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 Re: choosing engines 327,350,400? in reply to buickanddeere, 02-01-2008 02:45:50  
Most strokers (383) hit 450hp @ 5800 rpm, 458 ft lbs torque @4600. depends on whether you have a suburban motor LT1 or so forth. this is greatly dependent on how many $$$$ he wants to invest.



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mad farmer

01-31-2008 21:44:27




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 Re: choosing engines 327,350,400? in reply to unanimous, 01-31-2008 18:30:58  
30 over 400 with a stroker crank. Put stock steel "327" valve covers on your 427.



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long hauler

01-31-2008 18:33:45




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 Re: choosing engines 327,350,400? in reply to unanimous, 01-31-2008 18:30:58  
350 with a 400 crank alum head and nice cam. 400+ horse power. been there. lh



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unanimous

01-31-2008 18:41:33




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 Re: choosing engines 327,350,400? in reply to long hauler, 01-31-2008 18:33:45  
the 350 with 400 crank and bored .030 will make a 383 stroker.



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