redline rpm help

Old 06-19-2011, 06:56 PM
  #1  
hotrod1994
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Default redline rpm help

350 STOCK bottom end with 9.75:1 compression 1.94 1.5 cast heads milled .030 to get the compression ratio up erson 488/488 cam 232/234 duration at .050 280/290 advanced duration 108 lsa Mallory hyfire 6 and Mallory unilight distributor

what should i cut it off at it at ld like to be on the safe side i was think 6,000 would be alright

will be in a camaro with th 350 2200 stall stage 2 shift kit and 4.56 gears out back gonna run it 1/4 mile to see what it will do just wondering what you guys think on the rpm's
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Old 06-19-2011, 07:00 PM
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BEAST477
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You better have some tall tires if you don't want to go over 6,000rpm in the 1/4. :shock:
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Old 06-19-2011, 07:03 PM
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mopar1968
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Well i have 29.5x11.5, with 4.56 gear with small block and i turn around 6600 top end of track :!:


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Old 06-19-2011, 07:05 PM
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hotrod1994
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there m/t sportsman 29x12.5

what do think i should cut it off at what will my stock bottom end take
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Old 06-19-2011, 07:16 PM
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mopar1968
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You will be in the neighborhood of 6800 RPM top end.
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Old 06-19-2011, 07:19 PM
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MEMRACING62
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Originally Posted by mopar1968
You will be in the neighborhood of 6800 RPM top end.
BOOM
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Old 06-19-2011, 08:01 PM
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hotrod1994
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ok what i should ask is how many rpm's will my sbc stock bottom end safley take and how far i can push it before it goes boom
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Old 06-19-2011, 08:04 PM
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mopar1968
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Do you have a high end chip? Rev limit. I really don't think i would push a stock bottom end pased 6000. JMO

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Old 06-19-2011, 08:08 PM
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my 383 in my vega is all stock on bottom end and a set of alum factory 1.94 vette heads with no work done to them and keith black pistons ... i have 31x14.5 and 456 gears with a glide turning 6900 to 7k in the 1/4 :wink: i cringe everytime i run but she not showing any signs of failure.... still got almost 80 psi of oil pressure
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Old 06-20-2011, 10:20 AM
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hotrod1994
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alright i guess im just gonna have to go and see what sounds and feels right when i run it thanks for the help guys
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