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Post by mcruppin on May 7, 2014 11:10:52 GMT -6
"we just took delivery of a true gtx 740 that a guy wants us to do a partial restoration on". Any progress or pictures? John, did they make about 10 GTX 740's? From what I understand, Rupp took delivery of 10 Sachs 740 fanners. (30 total were imported, skiroule received 10 and another manufacturer received the other 10) They were used in Germany as water pumps, however were not up to par for their intended use. I would say less than 10 sleds were completed. |
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Post by magnesium on May 7, 2014 11:28:03 GMT -6
My 740 fan motor came from a hovercraft builder in Ontario. They may have ordered it directly from Germany. They complained to Sachs that it was not powerful enough, so Sachs sent 2 of their tuned pipes and .080" pistons.
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Post by racingelvis on May 8, 2014 7:10:11 GMT -6
that's pretty cool josh and luke!!! great job on the resto!!
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Post by rog929 on May 12, 2014 19:05:48 GMT -6
Well after 23 years I'm layed off. Oh well hated that job and given me some time to finish this mess. Anyone got any repo or NOS foot pads? Not paying the $50 on ebay. Here are a few, more to come soon.  This one is going to bling  Man these clips are junk.. back to the mig Had to cut this out as well... more welding  Painted and on  This one is going to be bright. Every piece of aluminium is polished. All I have to do is color and bolt together,  More soon. I really need the pads and thr bar in the back of the tuneels if anyone has some nice stuff. Should be spraying next week. |
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Post by racingelvis on May 12, 2014 22:39:53 GMT -6
I have foot pads and a rear bar. you can call me at the shop, 715-592-4707. thanks,......
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Post by rog929 on May 13, 2014 13:00:02 GMT -6
Thanks Bill! Can't wait for the parts. Roger
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Post by wesley on May 13, 2014 21:20:55 GMT -6
Seems like there isn't much going on the ole rupp message board so im assuming that everyone must be hard at it out in the shops. We are definately neck deep in projects that is for sure. Between me trying to help a buddy build a superstock oval 73 eltigre and trying to find time to finish building a new drag mod FA sled we just took delivery of a true gtx 740 that a guy wants us to do a partial restoration on. It showed up as a bare tunnel and 7 boxes of parts so again we have our work cut out for us. I tried to post pictures but it says the pictures are too large and our new site wont accept, but oh well. What you guys all up to? Hi I just found a 69 GTX behind a barn it is coming home soon but the head is missing more than a few fins and no seat but it is a great project ! |
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Post by Stretch on May 19, 2014 20:44:10 GMT -6
Wesley - what model GTX is it? Seems the 295's are more common and may be easier to find parts for but they're around... As you can see, there are a lot of talented and knowledgeable guys around here! Keep us posted as well...
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Post by Ruppsforever on May 22, 2014 21:00:45 GMT -6
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Post by kronnikracing on May 23, 2014 7:05:14 GMT -6
It is going to be a sad day to see this sled leave the shop.
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Post by lemans1955 on May 23, 2014 8:38:09 GMT -6
Wow that thing is impressive looking! Horribly over engineered, but impressive none the less. How does that upside down tilly work? I would assume not well. VERY COOL!
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Post by Ruppsforever on May 24, 2014 9:10:17 GMT -6
Wow that thing is impressive looking! Horribly over engineered, but impressive none the less. How does that upside down tilly work? I would assume not well. VERY COOL! Actually tillotsins work anyway you want to turn them. |
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Post by lemans1955 on May 24, 2014 9:47:00 GMT -6
I'm not so familar with the operational tolerances of a tilliotson carburetor, its cool to know they will work upside down. Is that top tilly an HR and the bottom a HD?
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Post by Ruppsforever on May 24, 2014 10:06:20 GMT -6
Yes. It is actually a really neat setup. The HR carb is the only one functioning up to 1/2 throttle. After that the HD starts opening. At full throttle both carbs are open.
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Post by lemans1955 on May 24, 2014 13:23:32 GMT -6
That is pretty cool, that thing must guzzle gas if it needs two full sized carbs to regulate the flow at different RPM. Man would I like to own something really rare and neat like that.
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Post by Ruppsforever on May 24, 2014 13:36:42 GMT -6
That is pretty cool, that thing must guzzle gas if it needs two full sized carbs to regulate the flow at different RPM. Man would I like to own something really rare and neat like that. Yeah.... so would I !!!! It is cool to just be working on it though. Can't wait to hear it run !! I would think in a couple weeks it will be running. |
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Post by ruppluver on May 24, 2014 13:56:02 GMT -6
Could you post a video of it running?? Those engines have a unique sound. There was a GTX740[Jerry Eve's old sled]at Princeton 2 years ago. I knew exactly what it was,when it started up.It really drew the people in.A very RARE piece of history.
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Post by Ruppsforever on May 26, 2014 10:25:57 GMT -6
Could you post a video of it running?? Those engines have a unique sound. There was a GTX740[Jerry Eve's old sled]at Princeton 2 years ago. I knew exactly what it was,when it started up.It really drew the people in.A very RARE piece of history. Sure... that won't be a problem. I've never heard one yet so I'm really anxious to hear it. |
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Post by Ruppsforever on May 26, 2014 20:41:54 GMT -6
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Post by ruppluver on May 26, 2014 21:06:09 GMT -6
WOW,what a BEAST!!! That's the extent of the exhaust,2 straight pipes down into front of tunnel?  |
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