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GSXR slingshot head to GS 1100

  • Thread starter Thread starter U.P.dragracer
  • Start date Start date
U

U.P.dragracer

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I was wondering what it takes to install the oil cooled GSXR cylinderhead to the GS 1100 engine ?

I saw it has been done but I need to know exactly what this swap entails . \\:D/
 
Here's a few note's I found about it

OK, here goes! GSX-R 1100 head is good for all compression ratios & 750 head is better for engines up to about 13.0-1. 1100 has 26cc chamber & 88 or 89 750 head has 22cc chamber & same size valves & ports as 1100 head. A stock 88 or 89 750 head & cams on a stock 1100 or 1150 bottom end & pistons is good for 20 HP more with NO porting! Also, you can put 31MM intakes & 26MM exhaust valves on STOCK seats! That part alone saves 500-600 bucks over a GS head! Also, ports are a better angle[ raised] to the intake valves! Now , to put it together you machine O ringed aluminum plugs for oil return holes in front of head. You silicone closed the oil supply line holes in the rear of the valve cover. You have to tap & plug the oil return holes in the GS block-there are 2. You use the GS cam chain & cam sprockets & GS 1150 cylinder studs with the FBG OPEN top head nuts or stock if you're cheap & like to replace head gaskets. Also, you DON'T use the GSXR idler gear! The GS header still works if you just grind a little off the diameter where the pipe goes into the head. I have done it at the track with a 4 inch electric grinder in a pinch. Just use GSXR exhaust gaskets. I think that about covers it for the most part. I've built about 30 of these setups in various HP configurations & have had ZERO PROBLEMS!
 
Hey Dink, how's summer down there, heard a few weeks ago you guys had some snow somewhere??

If you search (slingshot head) on Dragbike.com, Psychobike and even Maximum Suzuki you can find a few good post about it. The only one I have problems with is the XL forum, for some strange reason they just talk about Sportster's :confused:
 
\\:D/ Thanks I just might do this one \\:D/ {I happen to have some stuff layin around LOL } 8-[
 
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