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  1. Replies
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    My thoughts exactly. I'm working on lighting up a...

    My thoughts exactly. I'm working on lighting up a 90 Yamaha as we speak in the same manner.
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    I know this thread is old but what about a custom...

    I know this thread is old but what about a custom machined powerhead adapter?
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    I can't tell with out some dems to go by. I know...

    I can't tell with out some dems to go by. I know the 40 to 50 yamer is noticeably different but i have actually never held a 50hp one in my hand.
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    Fabricated tuner

    I keep striking out on finding a 50hp 3cyl tohatsu tuner so I was thinking of fabricating one. I was thinking of tiging a cowbell shapped one, maybe out of stainless or inconel but i was needing some...
  5. Thread: Tuner

    by cdixon4950
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    2,394

    It does affect the engines performance...

    It does affect the engines performance characteristics. Do a search on here or on google for this site and you could read on this for days. I like google better. Just type something like...
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    Yes sir, thats the info I was looking for. I...

    Yes sir, thats the info I was looking for. I appreciate it
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    anybody???

    anybody???
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    intake vents?

    I have a 40 nissan and noticed vents in the intake manifold maybe for equalizing pressure btw the carbs?? Do i need these on a modified motor? It looks as if i could block them off and smooth out the...
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    I am assuming that is does. I will try double...

    I am assuming that is does. I will try double check tomorow.
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    FF Nissan 90

    Found a nissan 90 for really cheap running. Fast Fred, I was wondering if you anyone you know ever ported one of these big cube motors?? 77cu is alot!
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    its a 2000 model i believe. Anyone got a short...

    its a 2000 model i believe. Anyone got a short mid then layin around??

    edit: its a 98' for sure
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    Yamaha 40 trim

    Is the clamp brackets and trim the same between a 15" mid and 20" mid on a 3cyl yamaha 40? I got a 20" and need to make it a 15" as cheap as possible
  13. Thread: 40 nissan

    by cdixon4950
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    2,612

    Georgia, still looking for some 70hp carbs and...

    Georgia, still looking for some 70hp carbs and 50hp intake if you got any laying around???
  14. Thread: 40 nissan

    by cdixon4950
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    Can you pm me your number? I need to talk to you...

    Can you pm me your number? I need to talk to you about gettin some port work done.

    or email it at cdixon4950@gmail.com

    Thanks,
    Chad
  15. Thread: 40 nissan

    by cdixon4950
    Replies
    4
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    2,612

    40 nissan

    I'm building up a hot little 40 nissan 3cyl to run on a flat bottom aluminum boat. I was wondering how much compression can i run on 93 octane or how much i can mill from the head? Also, i'm wanting...
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