383 sbc, how much cam with twin turbos? - Reply to Topic
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Topic Review (Newest First)

  • 21-10-2016, 21:22
    mygasser
    Quote Originally Posted by speedfreaks View Post
    A lot of postage there isn't there. Could you not look at getting headers made and get some Oem turbos that will be more safer than eBay ones? Could get honest they brilliant and cheap of ldv truck and so on.
    it's free postage to the us so it'll go to be loaded in my mates container in north dakota. without him yes it would be prohibitively expensive.
  • 21-10-2016, 19:43
    speedfreaks
    A lot of postage there isn't there. Could you not look at getting headers made and get some Oem turbos that will be more safer than eBay ones? Could get honest they brilliant and cheap of ldv truck and so on.
  • 20-10-2016, 16:46
    Kustom Jim
    Ooo, that's interesting. i have the Comp Cam extreme 274h in my 383 and it's almost in the middle of them two.
    COMP CamsŪ - Sorry...
    Strong low down, pulls like buggery when unleashed, great vacuum and can get 14.7 stoic stuff and still going strong (flat tappet)
    Can't wait to see when you crank your mill up
  • 20-10-2016, 13:14
    mygasser
    Thanks, about what I thought
  • 20-10-2016, 07:58
    ivanhoew
    the smaller one .
  • 19-10-2016, 21:23
    mygasser
    so back to the subject of the thread, cam choice. i've contacted the guy selling the stroker/rebuild kit and asked if i could substitute a different cam from his other listings if i paid the difference. this was no problem and i've narrowed it down to these two lunati cams, this one LUNATI VOODOO 10120703 CHEVY SBC 327 350 400 HYD CAMSHAFT 268/276 489/504 | eBay and this one LUNATI VOODOO 10120704 CHEVY SBC 327 350 400 NITROUS HYD CAMSHAFT 504/525 LIFT | eBay
    they're both 110 degrees lobe seperation angle as opposed to the 107 degrees of the 'kit' camshaft which is better. do i go for the hotter of the 2 or stick with a bit less lift/duration and let the turbos do the work. opinions please and no efi
  • 19-10-2016, 20:59
    mygasser
    Quote Originally Posted by boblester40 View Post
    Everyone is different , i like my engines to start on the key , run sweet and not waste fuel , you must like yours to be a pain in the arse that burn up the minute it comes on boost
    i've had plenty of carbed v8's that start on the key, run sweet and get good mileage. mk2 consul, 351 cleveland auto, average as my daily 26mpg. '82 monte carlo, used as my daily, 25 mpg. my first 'custom' a mk3 zephyr with a 302 ford auto, 4.11 gears and i was 19 so drove it like i stole it always, 25mpg.
    as i've said no efi for me, but i'm more than happy for whoever wants it to use it. just don't put my choices down. my mum said ''if you can't say something nice, don't say anything at all'' .
  • 19-10-2016, 16:42
    stevieturbo
    Carbs, as old as they may be can still work just fine. Although the SU does lend itself very well to boost and is very easy worked with compared to some others.

    But it would be wrong to say or imply a carb is a bad option.

    Just the same as with EFI.....a good carb is a good carb, and same a bad EFI system is a bad EFI system.
  • 19-10-2016, 15:20
    steve1275
    Neil just to support you on this, I run megajolt with a MAP sensor, get 200bhp from a 1300 A series, and drive it regularly on the road. It's a blowthrough SU carb and about 18 psi of boost.
  • 19-10-2016, 13:40
    boblester40
    Everyone is different , i like my engines to start on the key , run sweet and not waste fuel , you must like yours to be a pain in the arse that burn up the minute it comes on boost
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