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Alfa Pages A forum for help with the Alfasud And Alfa 33 |
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Knight Guest
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Posted: Tue Oct 12, 2004 11:36 am Post subject: 1.7 16V tuning advice???.... |
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I have just bought a Kit car, which has a rear mounted 1.5 Alfa-sud engine on twin carbs.....I think its got about 90-100bhp.....my intention is to aquire and tune a 1.7 16V engine, I am new to Alfas and the people who offer the tuning parts, your advice would be much appreciated:-
100bhp/litre is quite achievable on a 16v 4cyl engine so I'm aiming for 170Bhp at around 7000rpm...or possibly more, and I would like to do this on carbs - not injection.
Will a set of 40's from a 1.7 8v be up to the job or 170Bhp?
Are aftermarket manifolds available to mount carbs on the 16v heads, or do you think a set of 8v manifolds could be welded up and modified to fit?
What Cams, pistons and con-rods are available for the 16v off the shelf?....I'm told junking the hydraulic tappets is the done thing!
Who sells performance/race exhaust systems for the 33 1.7 16v?.....I will need the manifold system only, and make my own back section to suit my kit-car.
Is anyone generally reccomended to port the cylinder heads???....or offer an exchange service, contact details would be handy!
any advice will be much appreciated, e-mail me on stephen_knight@eea.co.uk or call me on 0787 9427945 mobile
cheers
stephen
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lesthegringo Alfasud
Joined: 23 Jul 2003 Posts: 97
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Posted: Tue Oct 12, 2004 12:44 pm Post subject: a quick answer |
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I haven't got time at the moment to give a more detailed answer, but simply, a carburettor fed 16v engine giving 170BHP will be
A) a pig to drive on the street (though the low weight of the kit should help)
B) be BLOODY expensive (example £800 plus VAT for the cams)
I'm tuning a 16v engine for a home built mid engined sprint car, so I can give some pointers if you want.
What kit is it? A porsche speedster replica, or Clan....?
Les |
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