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Thread: Crossflow build

  1. #31
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    Hi Freddie how do your modded reed blocks compare with ficht 60 degree ones?

  2. #32
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    I should be at the shop tomorrow I will try and get you pictures of the reed block I sent to Chris.

  3. Thanks powerabout thanked for this post
  4. #33
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    Curious, what block would be better to mod? Early small bearing or late model big bearing. Longevity not being an issue.

    TIA
    You reap what you sow, corny but true.

  5. #34
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    Thanks for the help Freddie. I picked up some boyesen reeds and intake stuffers as well. Does porting the reed blocks pay off for the work involved?

    Tore open the 135 bubble back, exhaust blocks not warped which is good. I'll machine the assembly a bit the match the porting and get as close to the size of a 140 bubble back as possible. The 135 has higher ports then the 88 so I'll copy them to the 88 and open em up some.

    Can I swap the stator and regulator to the 88? Found out the 135 is a silver star flight with 12amp charging system. If it's all apart might be worth it over the 6amp on the 88.

    I put a 23p prop on and got 47mph GPS with stock 88 (15gal fuel and 2 people). Hoping I can exceed that baseline with a large margin.

  6. #35
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    One other thing although will be done at the end, I'm assuming timing is around 28bdc on the 88 currently. With everything ported and 76 135 heads, I'm seeing I should set timing at 22 deg at 4800rpm? Will be running 93oct and 32-40:1 oil.

    From my research the 73 heads should run some av/race gas mixed in but 76 are safe enough to run on fresh premium with no ethanol.

  7. #36
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    Perhaps someone has the bulletin on how to run a 135 on 80"s gas

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