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Cams anyone runnin GSXR 750 cams ?

  • Thread starter Thread starter U.P.dragracer
  • Start date Start date
Thanks Ray, that's what I was thinking too.

It sure would be nice if Suzuki would stamp some number other than 27 on all these cams to tell what size they are........ but who I'm I to say :confused:

At least cam motion has the right idea
 
Anyone know if specific GSX-R cams are drop-ins for a 750 motor?




And great returns on minimal investment, U.P.!!




-Q!
 
QuaiChangKane said:
Anyone know if specific GSX-R cams are drop-ins for a 750 motor?




And great returns on minimal investment, U.P.!!




-Q!
Click to expand...
If they will fit the big bore GS engines they will fit the 700/750 models as well. You can't run the really high lift cams for the big bore engines but stock, air-cooled GSX-R stuff should be okay.
 
Well from what I know and that's not alot is you can findgsxr/katana cams that are 350/330, 340/320 and 330/280 ..... may be more too.

I hear that GSXR cams will work in GS 4 valve head motor's. I've haven't try that yet but I think there are a few things you got to do to make it work.

I got a GS head on the bench..... give me a minute and I'll check it out.
 
The gsxr/katana cams are about 1/4 shorter on each end and the oil hole on the end caps are exposed, also the gsxr cams might need alittle work to due the the four inside cam caps are bigger than the gsxr one thus the cam may hit or rub the cam cap area too. Remove any high spots on the cam and four plugs at the end of the cams to keep the oil in there and should be doable???
 
Here a pic of gsxr cams in a 82 gs1100 head, interesting.

You can see the oil passage in the end journals may be a problem (rubber end plug ??) causing low oil pressure. Since the cams are not machine that far over in the middle journal a high casting mark may hit/rub that journal area?? Oil will bleed out of that journal too since the cams will not seat up agaisnt it and may cause low oil pressure??? The end caps may wear alittle faster due to less support of the cam.

Also the cam had .009 side play when the cam caps were bolted down. The g4 cam for a GS had .010

cam2.jpg
 
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