Myself and a friend both have ZE's with shaved heads (of an unknown amount) and manual timing belt tensioners (which are pretty much maxed out). We also both have DE like low down torque and uninspiring power up top. Im currently replacing my water pump at the moment and to correct the timing its just another bolt and a little time using a larger diameter front tensioner pulley.
The plan is to fit a bigger tensioner to retard the timing "roughly" back to stock, sure it wont help with the rear bank (as much) but its worth a try. Ill be using the very unscientific method of releasing the tensioner, slipping in a known thickness sleeve between the belt and tensioner and then tightening it up to determine the new pulley diameter. Both the crank and a cam will have a degree wheel to see the effect of the sleeve on timing, looking for approx 3deg minimum to 5deg maximum.
Is this a crazy idea? Is there a better suggestion? fire away
The plan is to fit a bigger tensioner to retard the timing "roughly" back to stock, sure it wont help with the rear bank (as much) but its worth a try. Ill be using the very unscientific method of releasing the tensioner, slipping in a known thickness sleeve between the belt and tensioner and then tightening it up to determine the new pulley diameter. Both the crank and a cam will have a degree wheel to see the effect of the sleeve on timing, looking for approx 3deg minimum to 5deg maximum.
Is this a crazy idea? Is there a better suggestion? fire away
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