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Camshaft Drive Question


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#1 steble

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Posted 15 January 2018 - 03:19 PM

Hi All,

 

Apologies if this is a stupid question, couldn't really find what i'm asking in the search.

 

I have an SPI engine here that i'm going to use as my next motor. (running carbs)

 

So it has a slot drive camshaft, I have been offered a good camchaft but it is spider drive. Can I just get a spider drive oil pump and put them both in? Or am I missing something?

 

Many Thanks in advance

Steve



#2 Retroman

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Posted 15 January 2018 - 04:29 PM

yep spider drive pump n cam should go straight on / in



#3 nicklouse

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Posted 15 January 2018 - 04:32 PM

and you will need the spider of cause.



#4 Retroman

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Posted 15 January 2018 - 05:02 PM

yep, forgot the obvious...also the hardest to find if you haven't got one.



#5 steble

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Posted 15 January 2018 - 06:19 PM

Awesome so the drive you have on the cam doesnt matter in the slightest as long as you change the oil pump at the same time :)

Also I have a carcus of a spider that has been living next to my speedo for 8 years. Will this work? :P

#6 Retroman

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Posted 15 January 2018 - 06:29 PM

take it down to 3 legs and try....it might have to be a female so the splines go in...hahhah



#7 minimans

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Posted 15 January 2018 - 06:39 PM

You can get an adapter to the spider drive cam but retain the slot drive pump of which there is a lot more choice availableAttached File  cam.jpg   48.6K   1 downloads



#8 nicklouse

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Posted 15 January 2018 - 09:04 PM

Awesome so the drive you have on the cam doesnt matter in the slightest as long as you change the oil pump at the same time :)

Also I have a carcus of a spider that has been living next to my speedo for 8 years. Will this work? :P

you can use what you want as long as you use the whole set up.



#9 Spider

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Posted 16 January 2018 - 05:01 AM

You can get an adapter to the spider drive cam but retain the slot drive pump of which there is a lot more choice availableattachicon.gifcam.jpg

 

Mmmmmm,,,, I've looked at a few of those and found them dreadful things. None were on centre and would cause the Cam & Oil Pump to bind when spinning over by hand and the finish on them, well,,,,,,,,,,,,,,,,,



#10 minimans

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Posted 16 January 2018 - 06:25 AM

 

You can get an adapter to the spider drive cam but retain the slot drive pump of which there is a lot more choice availableattachicon.gifcam.jpg

 

Mmmmmm,,,, I've looked at a few of those and found them dreadful things. None were on centre and would cause the Cam & Oil Pump to bind when spinning over by hand and the finish on them, well,,,,,,,,,,,,,,,,,

 

Bad choice of photo! I got mine for the 8 port cam from a UK company via eBay and it is a lot better than that one, it's stamped out then machined by the look of it.



#11 steble

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Posted 17 January 2018 - 01:30 PM

i like the adapter to slot drive idea






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