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  1. scrappydoo

    Cylinder head mods for Blowers

    x2 on what map63vette said.
  2. scrappydoo

    1.5L/90ci Blower On A Slant

    I won't post them here but I can pm some to you.
  3. scrappydoo

    1.5L/90ci Blower On A Slant

    Yeah, lol. I don't have a choice. Hey it works well though.
  4. scrappydoo

    1.5L/90ci Blower On A Slant

    I'm using a 2" S.U. on a draw through. Running AVGAS. I know "everyone" says the coating will come off in a draw through but even if it does the difference will be minimal. But... I would do a blow through setup in your situation, M112...aftercooler...holley. And water/meth pre blower and post...
  5. scrappydoo

    1.5L/90ci Blower On A Slant

    That's right, I wasn't saying the tvs 2300 is the same size as an M90, just that there is a newer, more efficient design available from eaton. And they are being factory fitted so they are becoming a viable alternative to the more readily available m112, m90.
  6. scrappydoo

    1.5L/90ci Blower On A Slant

    Eaton have a newer design blower out, the TVS 2300, it has more twist on the lobes making it more efficient as well as 4 lobe rotors. These guys are getting over 350hp out of a Porsche 3.6 air cooled with a M90 http://www.tpcracing.com/porsche-964-and-993-supercharger-kit.html But water/meth...
  7. scrappydoo

    Vk valiant 142 weiand project

    Hi, I didn't see mentioned that you are using water/meth injection. This would be the next upgrade I would be doing. 12800rpm is getting to be about the max for a straight lobe blower, anymore rpm will be unlikely to produce more power because of the heat produced. You used to be able to get a...
  8. scrappydoo

    318 draw through build

    Exhaust gases will flow to the point of least resistance which is the turbo outlet, not the other cylinders. The exhaust gases might be "crashing" into each other but they'll get over it and exit out the turbo. Your setup wardy is the way you want to be doing it, but for what bakerlite is...
  9. scrappydoo

    318 draw through build

    I'm not sure what size the header pipes are, they look to be 1 5/8" but the gases are flowing through both so you have 2x 1 5/8" pipes that all the other 6 cylinders are flowing through then meeting up with #3 and 5. This approach certainly isn't the most efficient but for what Bakerlite is...
  10. scrappydoo

    318 draw through build

    I think you need to forget header theory when dealing with a turbo as the turbo will be the biggest restriction in the exhaust, think of log headers versus tuned headers. tuned headers don't gain much over a log design when pushing through a turbo. So cylinder #1 and #7 join up with #2,4,6,8...
  11. scrappydoo

    318 draw through build

    I think you're overthinking it, all exhaust exits the turbo it just takes a few twist and turns to get there. Anyway that's how I see it.:thumbup:
  12. scrappydoo

    318 draw through build

    This exhaust setup does look confusing... But the left bank and the right bank are joined and all exhaust gases exit via the 2 center left exhaust pipes through the turbo. At first glance it does look like it would be restrictive but no more so than going through the turbo. Bakerlite has...
  13. scrappydoo

    compound charge

    Good explanation of compound boost. http://www.motorsport-developments.co.uk/tech_articles/FAF307.tech.pdf
  14. scrappydoo

    complete gt45 turbo kit on ebay

    That certainly looks like a cracking price. Although there is alot of stuff there that you don't really need.
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