Forced Induction Superchargers | Turbochargers | Intercoolers

forged 370 or 408?

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Old 10-04-2011, 07:58 PM
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Default forged 370 or 408?

going turbo, it will be a while before i get the money to buy a motor, what would be best, looking for around 800 hp
Old 10-04-2011, 08:01 PM
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408/pt88 would be my guess but im still learning.
Old 10-04-2011, 08:02 PM
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At wheels? Auto or no?
Old 10-04-2011, 09:26 PM
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Twin or single?
Old 10-04-2011, 09:54 PM
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well ive had a 364 and my 402 is on the stand right. give me a few weeks and ill tell you what i like more lol
Old 10-04-2011, 09:59 PM
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370? or 408? I would find a good engine builder and wouldn't worry about it. Tell them you want 800hp send them your money and wait for delivery.
Old 10-04-2011, 10:36 PM
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well with the 370 you can run a stock crank, whereas the 402 requires a stroker crank. Its all about money and overall goals.
Old 10-05-2011, 12:43 AM
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Only 800hp which is about 700rwhp a 370 would be your cheapest route and do it with about 15psi , maybe less depending on flow of heads and cam choice. 408 would be for 900+rwhp in my opinion.
Old 10-05-2011, 08:10 AM
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Now that i have had both sized engines in my car, i would recommend the larger stroke if it is mainly a street car. Torque down low, easy to spool, etc... I have read about piston scuff on the larger stroke but it is worth it to me. Both cubes are lots of fun under boost though so you can't go wrong either way!! Best of luck
Old 10-05-2011, 08:18 AM
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keep the stronger piston, 370
Old 10-05-2011, 09:04 AM
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370 here...

too much bad luck with stroker cranks, may just be my luck but either way mine is built with a forged callies "stock" stroke crank... 1000rwhp and much more left on the table if I'll ever get a quality top end, the WCCH 317's are my current bottle neck...
Old 10-05-2011, 10:07 PM
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390 would be a good compromise.
Old 10-08-2011, 08:54 AM
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going single turbo, want a good daily driver well, as good as i can get with that much power, and i need to purchase a crank the one that was in my core motor was junk, thanks for the replies keep them coming
Old 10-08-2011, 09:03 AM
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Please forgive the hijack, Mr. Big what turbo are you running?
Old 10-08-2011, 10:16 AM
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Originally Posted by Jax326
Please forgive the hijack, Mr. Big what turbo are you running?
he's running the F1R procharger, not a turbo.. Its in his sig
Old 10-08-2011, 10:38 AM
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I apologize im working the Shakedown at Etown today at Raceway Park so im on mobile, couldn't see the sig
Old 10-08-2011, 11:31 AM
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How many miles should I get out of a 408 bs a 370?



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