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Message: <blockquote data-quote="1JZtezza" data-source="post: 3427820" data-attributes="member: 66560">twin webers were for the 'old' 16valve but would theoretically be posibble for the 20valve since they got the 4 throttle manifold but you would need an ECU to match fuel with the vvti function.I think it was the HKS crank with special short skirt pistons while still retaining 4age block --NOT 7AG/AF sorry for the mislead here.Timing belt-was using 'old' 16valve belt.If using 7ag block make sure u count the teeth on belt and pulley (cam turns half the speed of crank)dont think you could use 304/304 cams WITH vvti--nightmare for cam setting.But if u want 11000 rpm u gotta use 304/304 ( high lift and not standard lift-11mm I think).Pulls from 5000rpm all the way to 10000rpm in a blink.PISTON HEAD AND VALVE CLEARANCE IS CRITICAL-else you will just destroy a lot of effort and money before having the chance to enjoy itIf you are stuck in traffic jam with such configuration then better be expert in heel/toe to keep the engine alive!!!Again good luck and keep posting here.I am keen to know the outcomeBump: Also a nicely balanced engine can do high revs-corolla 4K engine with pushrods have done 9000 rpmBump: Also a nicely balanced engine can do high revs-corolla 4K engine with pushrods have done 9000 rpm</blockquote>

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