my ride vt ecotec
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Re: my ride vt ecotec
The holes must be drilled as the holes in the cranks are not dowel holes. The size of the factory dowel is 8mm thick and 24mm in length.
Last edited by vs ss on Sun Feb 05, 2017 1:13 pm, edited 1 time in total.
Re: my ride vt ecotec
Yeah thats what i thought ill have alook and see if i can order some dowels
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Re: my ride vt ecotec
Just found a 8mm x 24mm dowel and tested it in the flywheel and it seems a bit loose should it be an inerfeerance fit? Or will it be ok how it is?
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Re: my ride vt ecotec
No, they must a tight fit. If loose they will come out.
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Re: my ride vt ecotec
Should just slide in and out of the flywheel with slight drag( some aftermarket flywheels are looser),but they are a real tight fit in the crankshaft.
Re: my ride vt ecotec
Ok then i think im gonna need a different size dowel pin
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Re: my ride vt ecotec
I would forget 8mm dowels, no point for something that small for this application. I would use at least 10mm and even up to 12 is possible.
Yes should be a tight fit.
The indexing holes in the crank I measured at 10.3mm and 11.4mm for the opposite side. Not sure how the ecotec manuals had the dowels, whether it was the indexing holes they used or new additional ones were drilled?
Can't verify that one but my understanding is it was the large indexing holes re-purposed.
Yes should be a tight fit.
The indexing holes in the crank I measured at 10.3mm and 11.4mm for the opposite side. Not sure how the ecotec manuals had the dowels, whether it was the indexing holes they used or new additional ones were drilled?
Can't verify that one but my understanding is it was the large indexing holes re-purposed.
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Re: my ride vt ecotec
The manual cranks had extra holes drill for the dowels. There was a good thread on JC that had pics of the various crank flanges but the pictures have unfortunately disappeared
Fairly much makes my point though, dowels do stuff all unless they are a firm fit. At work we use dowels and taper pins. Dowels are used to locate/align the part and bolts clamp and hold it all together. On the older machines where pins hold parts together taper pins are used. Drill hole, ream to size and fit taper pin.
Fairly much makes my point though, dowels do stuff all unless they are a firm fit. At work we use dowels and taper pins. Dowels are used to locate/align the part and bolts clamp and hold it all together. On the older machines where pins hold parts together taper pins are used. Drill hole, ream to size and fit taper pin.
Re: my ride vt ecotec
ok cool thanks for the help guys looks like im gonna sorce some 10mm dowels and drill out the crank and flywheel to suit i just home theres going top be enough meat left on everything once there drilled out as everything is quiet close together
The answer is always... boost!