383 sbc, how much cam with twin turbos? - Page 3
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  1. #21
    Official RnS Addict 62vette's Avatar
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    Quote Originally Posted by mygasser View Post
    so how much would they be then fella?
    .
    £600

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  3. #22
    Official RnS Addict mygasser's Avatar
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    sounds good, i've pmed you.
    need a job done on your project? i may be able to help.

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    Official RnS Addict Taxirod's Avatar
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    Never had turbos, but Ive had a few blown, and best bet for cam was always to buy a blower cam, which gives seperation.
    Im soon to replace the crank in my 400 Sbc in case you wanted to buy my old crank.
    I may live in East London, I may have a number plate that reads "Chopt", but I do NOT use 6" wheel spacers!

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  6. #24
    Official RnS Addict mygasser's Avatar
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    Quote Originally Posted by Taxirod View Post
    Never had turbos, but Ive had a few blown, and best bet for cam was always to buy a blower cam, which gives seperation.
    Im soon to replace the crank in my 400 Sbc in case you wanted to buy my old crank.
    cheers ian, i'm getting a stroker/rebuild kit from the states so everything's new. i'm going turbos purely for the price mate. as you know fitting a blower is very costly . plus the dizzy is a bugger to get to, bad enough being at the back on a chevy as it is but to then hide it behind a bloody great lump of ally makes it nigh on impossible thanks anyway though .
    need a job done on your project? i may be able to help.

  7. #25
    Rods 'n' Sods Junkie
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    My twin turbo Lexus v8 runs 10.5 -1 compression on super unleaded and no intercooler but is efi with full ign and fuel control . I would look at a mappable ign control if your definitely sticking with a carb for fuel supply so you have some control over ign advance whilst tuning

  8. #26
    Official RnS Addict choppedblownpop's Avatar
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    Had a blower cam in my blown rover,had 114* lobe centres,520" lift,with a more duration on the exhaust,ran this for many years,the quest for more power went on,so I went with a roller cam,110* lobe centres,640" lift,in theory it should blow the "power" straight out of the exhaust,gave me about 50+bhp !


    Sent from my iPad using Tapatalk

  9. #27
    Official RnS Addict steve1275's Avatar
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    As Froggy says, mappable ignition with a MAP sensor would save you a lot of grief. Robert (Ivanhoew) will no doubt be along in a minute, he has good experience on this.
    Nuttier than squirrel shit

  10. #28
    Official RnS Addict ivanhoew's Avatar
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    oh steve! ears burning lol.


    a megajolt box with a 36-1 tooth wheel on the crank would be easy , or a megasquirt for fuel and timing .if you don't go for all the bells and whistles it an be chaep , i think my one on the astra turbo lpg came in component form for around 200 pounds , and a friend soldered it up for me .(that i still owe a flowbench head test to ..JOE )

    the astra 1.4 8 valve is popping out 170 bhp on 12 psi now, on lpg ,an drives like a normal car .


    alternatively you can simply run fixed timing with vac advance ,and a carb . it can all be made to work .just not so well all through the range , i run fixed timing on both bikes ,and they are great fun .prob do about 15 mpg more on computer timing and fueling , but hey , its so cheap and easy to run a crude system ,and have fun .just accept the engine has a few more quirks .



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    robert.
    Bicester scramble ,Medusa enjoyed the trip.https://www.youtube.com/watch?v=Q-7I7-nA19U

  11. #29
    Rods 'n' Sods Junkie
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    have to say that the microsquirt is pretty good value even if you only use it to control an edis 8 module for ignition . I gained quite a few mpg by just pottering around and pushing the advance in all the cruise portions of the map .

  12. #30
    Official RnS Addict mygasser's Avatar
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    well that all goes straight over my head . i'll probably ask more questions first but may go with something like an msd dizzy and boost timing master box https://www.summitracing.com/int/parts/msd-6462.
    i don't really like electronics and avoid them if possible, but you guessed that when i said i was going with a blow thru carb .
    need a job done on your project? i may be able to help.

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