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my 383 build thread

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Old Jun 21, 2012 | 08:30 PM
  #91  
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if i wanted more lift later couldnt i roll with a set of 1.85:1 rocker arms? or would i have too much lift with those?
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Old Jun 21, 2012 | 08:50 PM
  #92  
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From: wi.... winters sucks
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Yea u could the lift with the 1.85 rockers little high would be .640/.648 and 1.8 rockers would be .622/.630
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Old Jun 21, 2012 | 08:54 PM
  #93  
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they are 63cc heads so with .040 cometic gaskets and flat top pistons i should be at 11.5:1 compression. would i have enough room in there for more lift?
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Old Jun 21, 2012 | 09:06 PM
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From: wi.... winters sucks
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I was going to build a 383 too b4 basically same way and the cam I had spec'd was a 238/242 .615/615 109lsa so I'm pretty sure u could fit the 1.8s I wouldn't do 1.85

And I did that the math for 1.75s too lol it be .605/.613
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Old Jun 21, 2012 | 09:16 PM
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isnt stock 1.75?
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Old Jun 21, 2012 | 09:18 PM
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1.7 r stock
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Old Jun 21, 2012 | 09:28 PM
  #97  
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ok i have to check the set that i bought and see what i have
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Old Jun 22, 2012 | 12:20 AM
  #98  
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they are 1.7's
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Old Jun 22, 2012 | 08:11 PM
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do you think my stock injectors will work or do i need to buy flex fuel injectors?
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Old Jun 22, 2012 | 08:15 PM
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From: wi.... winters sucks
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Originally Posted by greasemykey
do you think my stock injectors will work or do i need to buy flex fuel injectors?
I would say 8.1 marine injectors
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