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On Probation
Location:
North East NSW
Registered:
December 2002
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Re: 3K-C engine mods
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Sun, 25 July 2004 08:34
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4k with 3k head is a good idea. don't touch the size of the inlet ports, modify the short radius and bowl area, deshroud the valves in the combustion chamber, make the exhaust ports as big as possible (watch you don't break thru into water jacket, check stewart ford's page for photos of a cut up head)
best 4k cam is a tighe 104, 25/26 with 423 lift. google "ivan tighe" and you'll find them in brisbane. i'm told skimming the rocker posts is a good idea with big lift. i'm running a 25/65 with 400 thou and i haven't done anything with them. run 4k valve gear and rocker posts (check my faq for differences)
200b carby is good idea. i've heard datsun L hitachis bolt onto K manifolds, it would be interesting to see if it's true. i know a gemini/mazda nikki bolts on, i have a couple of these on the shelf
your running gear will take the strain if you don't drive stupidly (launches and burnouts). there's a conversion section in my faq to give you diff ideas. there does exist a bellhousing to put a ta22 T50 onto a K motor, but then you need to go to hyrdo clutch. i just run crappy tyres and control myself when accelerating from a standstill, and i don't do burnouts. 4 speeds are stronger than 5 speeds
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