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Streetracing.co.za • View topic - engine balancing/twincam
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 Post subject: engine balancing/twincam
PostPosted: Sun May 08, 2011 2:48 pm 
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0.5 bar boost
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Joined: Wed Dec 31, 2008 4:00 pm
Posts: 647
Location: Athlone CT
so im busy rebuilding a motor and feel like doing some nice things to it lol. got my inspiration from some beautiful motors on the net.

worx advised that i go something like 11.1:1 comp ratio and 272 cams with around 9mm lift

i initially wanted to pop in BT pistons to "up" the comp ratio but found a few other ways to bump it up without having to get other pistons. i wanted to oversize as well but im thinking of rather not going with oversize.

anyway, another thing that i would like to have done is balacing the bottom end. i will be sending it away soon but i need to check a few things before i do.

so for the question... when you guys need this done, who do you send it to?

i spoke to pro engineering (i think thats the name) in parden island and this is what the quote was

skim head R250

deck block R350

balance bottom end R850-R950 (obviously sending pistons clutch and flywheel and pp with as well)

so has anybody used them before? any good or bad stories?

who else can do it? and at what price?

il post pics of a few things i picked up while taking the motor apart,just for some expert opinions. i saw some things i havent really seen before that need some diagnoses.

thanks in advance :thumb: :thumb:

PS due to the current strong rand vs dollar exchange rate, you can pick up a hasselgren formula atlantic 4age engine that makes around 183 kw for the cheap price of R120 000 :mrgreen: :mrgreen: :cry: :cry:

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 Post subject: Re: engine balancing/twincam
PostPosted: Sun May 08, 2011 4:44 pm 
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Location: Pmb (083 448 4968)
120 000 eish.
I got 304deg 9mm lift 16v cams for sale.


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 Post subject: Re: engine balancing/twincam
PostPosted: Sun May 08, 2011 6:11 pm 
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 Post subject: Re: engine balancing/twincam
PostPosted: Mon May 09, 2011 7:54 am 
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How does the balancing of the engine work? I don’t understand how it would survive even 1000rpm if it was not balanced?

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 Post subject: Re: engine balancing/twincam
PostPosted: Mon May 09, 2011 8:50 am 
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OE it's balanced within certain tolerances, but certainly not perfect. Aftermarket they bring everything within 1 gram...

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 Post subject: Re: engine balancing/twincam
PostPosted: Mon May 09, 2011 9:47 am 
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there is a uncle balancing motors from home, he is really a wizard! busy building a tabletop v8 as well! I will look for his details and post it! I have taken about 4 motor to him which im happy with! he is situated in Kuilsrivier

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 Post subject: Re: engine balancing/twincam
PostPosted: Mon May 09, 2011 12:25 pm 
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0.5 bar boost
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 Post subject: Re: engine balancing/twincam
PostPosted: Mon May 09, 2011 3:04 pm 
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 Post subject: Re: engine balancing/twincam
PostPosted: Thu Sep 01, 2016 9:33 am 
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Just arrived..

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 Post subject: Re: engine balancing/twincam
PostPosted: Thu Sep 01, 2016 10:50 am 
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