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Jayem
Forums Junkie

Location:
Finland
Registered:
November 2002

Re: Can cylinders be bored eccentric???

Fri, 30 January 2004 12:06

Quote:

As far as the mini conversions are concerned, the blocks were machined to give a very narrow (say 1-2 degrees) V in the block. What you are trying to do is to streach the block or head to matchthe cylinder spacing. This will be a huge job and for an 18R, more money than the boat anchor is worth.

I'm a studying machinist so I have time (5 days in a week) and I can do everything myself exept boring and balancing of crank and flywheel. I mean every thing, cam belt gears(adjustable of course), block and head machinings to fit, inlet and exhaust manifold, even dry sump system and I only have to pay for material(wholesale prices of course). I can get forged pistons (90mm) 16v turbo head (turbo cams) 18r short block and clutch housing for less than 100€(or 160AUD). I will have to spend something like 100€ for gaskets, bearings and rings. As you can see Im not willing to put too much money in this project. So far this would cost some thing like 300€ and I cant get 18R-G for this price here, not that I would find one. Of course theres going to be unexpected expenses but hopefulle these dont hurt much since this is long term project. I can get turbo and clutch in friend discount.

Ok! back to original question.

Quote:

Offsetting the conrods is about the worst thing you can do for them. This will build in an eccentricity and bend them quicker than any other mod ever could.

I'm not doubting this but I cant understand how it would bend the conrod if the conrod is in the middle of piston centerline and conrod would be plumbd otherwise.

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