# anyone no anything about rebuilding older chevy 350s

**URL:** <https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073>\
**Category:** PittSpeed Automotive\
**Created:** [November 6, 2006, 2:12pm UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073 "2006-11-06T14:12:56Z")\
**Posts on this page:** 11\
**Page:** 2

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**Author:** ![7.5hotrod](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/7.5hotrod/32/5993_2.png) [@7.5hotrod](https://forums.speedlife.net/u/7.5hotrod)\
**Post date:** [November 15, 2006, 8:32am UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073/21 "2006-11-15T08:32:32Z")

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i could do a stock ebuild for under a 1000$, thats iff you take it out and bring it down

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**Author:** ![Sinner6.0L](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sinner6.0l/32/6016_2.png) [@Sinner6.0L](https://forums.speedlife.net/u/Sinner6.0L)\
**Post date:** [November 15, 2006, 2:54pm UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073/22 "2006-11-15T14:54:50Z")

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anyone running a flat tappet setup for performance?

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**Author:** ![imported\_gearhead](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/imported_gearhead/32/5957_2.png) [@imported\_gearhead](https://forums.speedlife.net/u/imported_gearhead)\
**Post date:** [November 15, 2006, 5:16pm UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073/23 "2006-11-15T17:16:47Z")

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I’ve had lots of good luck with regular old flat tappets. I just wouldn’t run them in an rpm motor.

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**Author:** ![MONTE\_SS](https://avatars.discourse-cdn.com/v4/letter/m/8797f3/32.png) [@MONTE\_SS](https://forums.speedlife.net/u/MONTE_SS)\
**Post date:** [November 15, 2006, 6:52pm UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073/24 "2006-11-15T18:52:20Z")

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true roller here retro blower cam and afr’s ported to the max.

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**Author:** ![Sinner6.0L](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sinner6.0l/32/6016_2.png) [@Sinner6.0L](https://forums.speedlife.net/u/Sinner6.0L)\
**Post date:** [November 15, 2006, 7:03pm UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073/25 "2006-11-15T19:03:32Z")

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how high of an rpm would be the limit for flat?

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**Author:** ![Nurd\_Gtp](https://avatars.discourse-cdn.com/v4/letter/n/f0a364/32.png) [@Nurd\_Gtp](https://forums.speedlife.net/u/Nurd_Gtp)\
**Post date:** [November 20, 2006, 1:01pm UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073/26 "2006-11-20T13:01:58Z")

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6000rpm or so? 383 stroker ftw

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**Author:** ![Sinner6.0L](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sinner6.0l/32/6016_2.png) [@Sinner6.0L](https://forums.speedlife.net/u/Sinner6.0L)\
**Post date:** [November 20, 2006, 6:21pm UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073/27 "2006-11-20T18:21:29Z")

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yeah that’s what I want to do, eagle rot assembly from summit

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**Author:** ![MONTE\_SS](https://avatars.discourse-cdn.com/v4/letter/m/8797f3/32.png) [@MONTE\_SS](https://forums.speedlife.net/u/MONTE_SS)\
**Post date:** [November 20, 2006, 6:38pm UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073/28 "2006-11-20T18:38:37Z")

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can actually go alittle more then 6k rpm, peak ive seen dyno sheets at 7100, depends on parts and heads.

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**Author:** ![MONTE\_SS](https://avatars.discourse-cdn.com/v4/letter/m/8797f3/32.png) [@MONTE\_SS](https://forums.speedlife.net/u/MONTE_SS)\
**Post date:** [November 20, 2006, 6:39pm UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073/29 "2006-11-20T18:39:12Z")

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all good exp with eagle and scat parts. forged is the way to go

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**Author:** ![eurodad](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/eurodad/32/5988_2.png) [@eurodad](https://forums.speedlife.net/u/eurodad)\
**Post date:** [November 20, 2006, 6:48pm UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073/30 "2006-11-20T18:48:55Z")

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> [@summer roller hockey](https://forums.speedlife.net/t/summer-roller-hockey/25311/56):
>
> how high of an rpm would be the limit for flat?

the 305 that i pulled out of my truck i shifted at 6500 easily on a stock longblock with a summit 268 cam and performer intake. better valve springs, a performer rpm intake and a good ignition and revving to 7000 would have been no problem

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**Author:** ![Orr89rocz](https://avatars.discourse-cdn.com/v4/letter/o/ac91a4/32.png) [@Orr89rocz](https://forums.speedlife.net/u/Orr89rocz)\
**Post date:** [November 20, 2006, 7:28pm UTC](https://forums.speedlife.net/t/anyone-no-anything-about-rebuilding-older-chevy-350s/186073/31 "2006-11-20T19:28:40Z")

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i think a vortec 383 is hard to beat for the dollar. new RHS vortec heads flow 27cfm more than factory GM vortecs and arent too much more money.

even with GM heads untouched, with 10-10.5 compression and a nice 230ish duration roller cam with not much more than .500 lift will make some damn good power.

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