Vortec 355 build

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rocketracer380
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Vortec 355 build

Post by rocketracer380 » Fri Oct 20, 2017 10:56 am

355 vortec headed sb using ch350c eq heads with 2.02 1.60 valves .518 .536 solid crane 106 ls 10:1 with lt1 f/t pistons and an eliminator intake would like to make 425+ any one build anything similar input greatly appreciated

RevTheory
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Re: Vortec 355 build

Post by RevTheory » Fri Oct 20, 2017 11:22 am

http://www.hotrod.com/articles/0611em-v ... all-block/

IIRC, David thought the dyno used was roughly 15 hp proud of what he would expect to see. Hopefully the article gives you some direction.

rocketracer380
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Re: Vortec 355 build

Post by rocketracer380 » Fri Oct 20, 2017 7:09 pm

I've seen articles ranging from 375 to 460 just looking for real world experience

Brian W
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Re: Vortec 355 build

Post by Brian W » Fri Oct 20, 2017 9:27 pm

I just built and dyno'd a 383 with those heads, low RPM deal. Was 11 to 1 comp though, dual plane intake. 540ftlbs @ 3400 470hp @5300 comp cams hyd roller 12-413-8

rocketracer380
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Re: Vortec 355 build

Post by rocketracer380 » Fri Oct 20, 2017 9:44 pm

Kool thanks for the input nice tq#'s

Keith Morganstein
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Re: Vortec 355 build

Post by Keith Morganstein » Sat Oct 21, 2017 8:19 am

Those ch350c heads respond very well to a good valve job and blend into the bowl.

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