Supercharging a Rover v8, camshaft help?
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  1. #1
    I'm a newbie ! Aj20's Avatar
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    Supercharging a Rover v8, camshaft help?

    Good morning everyone hope all is well.

    I am currently building a rover v8 for the road and im stuck on what camshaft to go with, I have a 4.0 block, 4.6 pistons, MSD Dizzy and 6al with Boost timing master, 4-71 supercharger with manifold mod and drive done by UK Blowers, Weber 9605S 0088 carb (unsure on the CFM), adjustable timing chain and yella terra roller rockers.

    Is there anyone able to assist on a camshaft please as its the only place thats got me stumped.

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    Official RnS Addict ivanhoew's Avatar
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    crane 216 or kent 218 with their valve springs is what i would use .

    https://rimmerbros.com/Item--i-RB7718

    also quite like this from summit ..

    https://www.summitracing.com/int/par...232/make/buick


    i would try to use lifters and springs from the cam maker to keep it all in harmony ..and check retainer to top of valve guide/seal clearance .

    regard
    robert
    Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

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    I'm a newbie ! Aj20's Avatar
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    A little off topic but do you know a chap called alan at oddball motors? I believe i may have met you a couple of years back at the Carnage reunion
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    Official RnS Addict ivanhoew's Avatar
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    Quote Originally Posted by Aj20 View Post
    A little off topic but do you know a chap called alan at oddball motors? I believe i may have met you a couple of years back at the Carnage reunion
    .
    i do AJ , he was help with tyres and grill n stuff for the car , and is generally an all round nice chap.if totally mental.
    Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

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    Rods 'n' Sods Junkie 69 ford's Avatar
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    What's the compression ratio?

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    I'm a newbie ! Aj20's Avatar
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    Compression ratio is 8.5:1

    And indeed a very nice chap!

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    Official RnS Addict Taxirod's Avatar
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    I had a 4.6 Rover V8 with a 4-71 blower, used mostly standard bits and a stump puller cam, ran a 12.7 and had loads of torque.
    "Share with a wise person, and he will become wiser" - Proverbs 9:9

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    Official RnS Addict mygasser's Avatar
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    maybe ask uk blowers what they suggest?
    need a job done on your project? i may be able to help.

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    Rods 'n' Sods Junkie 69 ford's Avatar
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    Quote Originally Posted by Aj20 View Post
    Compression ratio is 8.5:1

    And indeed a very nice chap!
    8.5:1 a standard cam or 216 / 218 would be fine, as the engine does not need rev so high to achieve its power big cams that compromise road use are not needed, what you will need is good cooling! especially if you're making good boost.

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    Official RnS Addict choppedblownpop's Avatar
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    Supercharging a Rover v8, camshaft help?

    You used to be able to buy a blower cam for the rv8 from real steel,
    You want one ground on 114* lobe centres,and more duration on the exhaust. The standard cam works well,
    A race cam has too much overlap,it will work,as the blower tends to iron things out !
    I’ve got a roller cam in my blown Rover,and it sounds awesome with the headers open

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