Aluminum pulley for M90 blower.

[hotrodcbx]

I had exactly the same issue with my blown 8BA. The original one from B&M was not a tight fit on the crank and over time it destroyed the keyway on the pulley. I had a new one machined from aircraft grade aluminum that was a semi-pressed fit. Cost was $325.00..

 

[32truck]

I had exactly the same issue with my blown 8BA. The original one from B&M was not a tight fit on the crank and over time it destroyed the keyway on the pulley. I had a new one machined from aircraft grade aluminum that was a semi-pressed fit. Cost was $325.00..

I'm thinking about going this route. I'm not sure which pulley I can find that will work with it yet but I really like the idea of a flange that I can easily switch pulleys. I may still have to get a pulley machined anyhow though.

Sent from my SM-N986U using Tapatalk

 

[38bill]

Can you cut off the old pulley and use it with the new adapter?

 

[Bob C]

How about something like this? The sheaves and bushings come in many sizes.
You could get a smaller bushing and have it bored to your shaft size.
https://www.ebay.com/itm/392281016912?_trkparms=amclksrc%3DITM%26aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D20201210111314%26meid%3D74ddf30aeb544db8b842944f3c82f90c%26pid%3D101195%26rk%3D1%26rkt%3D12%26sd%3D392940318236%26itm%3D392281016912%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv9PairwiseWebMskuAspectsV202110NoVariantSeed&_trksid=p2047675.c101195.m1851&amdata=cksum%3A39228101691274ddf30aeb544db8b842944f3c82f90c%7Cenc%3AAQAGAAACEIM8WhA40FhrRQSow7FY%252BUae8YryYaDsNRBd%252FCMel0kMS2QCNXpAl17hl68HtmUKPDYhXRTPsG1UtL1eEDCpubWrXSmbyOhUtzWXOxejA%252BDkRToEd5N6vB456wmBIP4frHCpHI%252B2gFrrpOuSvjRU8imuSATpMmOmtUzm8SUEdQsI%252Fp%252Bwk6nxcAmx3EKOsWo2H64GwB4Cd9k%252ByOjSu%252BeHAyqfyJJveiiJU8NWXSXyFS8tT3kGEIZC1%252BcG6awOZudSOX9wUp7ZzyjknMREmByPccnjvBN%252FNsYavagaf3PvT2aUTNiTLta2KTlAfBHpzfoRwEi%252FtijPDlfWUYeq2ZOkx0jwcBrEERGuvMVivPpxCzeTATSRnam4aQ0K3iB8tuVz9uAfD9QPAkoIYJtAgLKfLlRnoHTji5E4svpKTObjcL9ssCCN4Ly0REQsYN%252BKAK0Botc685eS0PQ%252FVOxuZCkpXxw8i1dBnf2D7dDe5RcQkIuKHxjwAAnqUwgvTlb73H%252FdZefmpvtD%252BrxxkEE1q1S%252BQ3KFr%252BDMFT47DBjrDF1F%252BVA7j%252FzKGVysUI2cUVPkpuPXO%252B0jQR7N0Enm1Zd%252F4CO3M3lNn0LbX3fRWq9X4dklRbd132vS0YDGUuXMmCgmfbGizW0EBj5wTO3uQjbLapnhTdmpg5idEIdGaOQ2LXXy4noGt6Aw%252Bkv08If%252B2hsKpyDDNQ%253D%253D%7Campid%3APL_CLK%7Cclp%3A2047675&epid=20029977905

 

[cmbrucew]

You can broach a key way in the sleeve with a press.


Bruce

 

[Bored&Stroked]

If that M90 pulley adapter fits your blower drive shaft, that is surely the way I'd go. For that price, isn't worth the time screwing around and making a one off.

 

[hotrodcbx]

I'm thinking about going this route. I'm not sure which pulley I can find that will work with it yet but I really like the idea of a flange that I can easily switch pulleys. I may still have to get a pulley machined anyhow though.

Sent from my SM-N986U using Tapatalk

Forgot to add, my pulley has bolt holes for a separate pulley. Wish I knew about the hub you show, would have saved me a few dollars!!