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So Big Rich has popped some GS500 cam's in his 450 and from what I can see so far I'm keen to do the same as I need to take the head off to replace the head gasket next service anyway.
The two questions I have are...
1. Has anyone found the duration spec's for the stock 450 cam's? I can't find them in the Clymer, Haynes, or factory manuals to compare with the 500 cam's. We know there's a bit more lift but that's all so far...
2. There seems to be different GS500 cam's from about '89 through to '02 and then '03 onwards... or something like that anyway going by the eBay auctions. So what's the big difference here? I know earlier ones can have cam walk but my 450 doesn't have that... just making sure if I get the later model cam's they'll still slot straight in. If the only difference is the tacho drive for example, then that's fine as I don't use that any more.
The two questions I have are...
1. Has anyone found the duration spec's for the stock 450 cam's? I can't find them in the Clymer, Haynes, or factory manuals to compare with the 500 cam's. We know there's a bit more lift but that's all so far...
2. There seems to be different GS500 cam's from about '89 through to '02 and then '03 onwards... or something like that anyway going by the eBay auctions. So what's the big difference here? I know earlier ones can have cam walk but my 450 doesn't have that... just making sure if I get the later model cam's they'll still slot straight in. If the only difference is the tacho drive for example, then that's fine as I don't use that any more.