73' Nitro 400 Race sled

74nitro2
Senior Member

Posts: 153

73' Nitro 400 Race sled Oct 10, 2014 4:57:23 GMT -6

Quote

Post by 74nitro2 on Oct 10, 2014 4:57:23 GMT -6

Picked this up from Wes on 7/3/14. Stripped down, and back together.. My stepson Alex will be racing her at the SunnyVilla in Ossipee, NH.

Ruppman did the motor. :-/

Thanks Tom!

Attachment DeletedHad to make a few repairs to tunnel. should be a fun ride. Attachment Deletedfew small adjustments, add gas, and away we go!

74nitro2 Senior Member Posts: 153	73' Nitro 400 Race sled Oct 10, 2014 5:08:49 GMT -6 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by 74nitro2 on Oct 10, 2014 5:08:49 GMT -6 Attachment Deleted Attachment Deleted

74nitro2 Senior Member Posts: 153	73' Nitro 400 Race sled Oct 10, 2014 5:17:11 GMT -6 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by 74nitro2 on Oct 10, 2014 5:17:11 GMT -6 Attachment DeletedRick's Rupps, and SeacoastRupp, drivers and sprockets.

Rupp Doctor
Senior Member

"Rupps up Doc"

Posts: 232

73' Nitro 400 Race sled Oct 10, 2014 5:23:24 GMT -6

Quote

Post by Rupp Doctor on Oct 10, 2014 5:23:24 GMT -6

Nice Job. Glad to see someone put these things back out there in like new Cond. :-/

72 Rupp MAGNUM
72 1/2 Rupp Custom Mod
72 Rupp Nitro 400
72 Yankee 30 HP
72 Yankee 30 HP
73 Sno-Jet SST
71 Rupp Sprint 34
73 Rupp Nitro 400
72 Rupp American 40Hp
71 Rupp 440 WT
71 Rupp Hirth 634 WT
71 Rupp Sprint 44
70 Daulphin
73 Nitro 400
73 Rupp Nitro 340
73 Rupp Nitro 295
74 TNT 295
74 GPX 433
70 sno-jet
71 Sno-jet
72 Sno-Jet Starjet
69 Gtx 295
73 Magnum
73 Magnum
70 Rupp Ratt 280
ANA's Rupp Daddy

74nitro2 Senior Member Posts: 153	73' Nitro 400 Race sled Oct 10, 2014 6:37:23 GMT -6 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by 74nitro2 on Oct 10, 2014 6:37:23 GMT -6 Oct 10, 2014 5:23:24 GMT -6 Rupp Doctor said: Nice Job. Glad to see someone put these things back out there in like new Cond. Thank you! wouldn't have it any other way.

ruppman Senior Member Posts: 174	73' Nitro 400 Race sled Oct 10, 2014 8:01:20 GMT -6 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by ruppman on Oct 10, 2014 8:01:20 GMT -6 Looking good Mike. Good luck with it.

74nitro2 Senior Member Posts: 153	73' Nitro 400 Race sled Oct 10, 2014 8:47:15 GMT -6 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by 74nitro2 on Oct 10, 2014 8:47:15 GMT -6 Oct 10, 2014 8:01:20 GMT -6 ruppman said: Looking good Mike. Good luck with it. Thanks! Still have a lot to learn... Looking forward to race day!

dacota25d Senior Member Posts: 205	73' Nitro 400 Race sled Oct 10, 2014 11:05:20 GMT -6 via mobile Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by dacota25d on Oct 10, 2014 11:05:20 GMT -6 Sweet ride! Good luck with her

snosnake Global Moderator In charge while Dave is gone..... so behave Posts: 4,082	73' Nitro 400 Race sled Oct 10, 2014 11:24:50 GMT -6 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by snosnake on Oct 10, 2014 11:24:50 GMT -6 Mike is Alex going to drag race or run the roundy rounds. It sure looks nice.
	SURE IT'S ALL FUN AND GAMES UNTIL THE MAN WITH THE TIN FOIL HAT ENTERS THE ROOM!!!

lemans1955 Silver member Posts: 531	73' Nitro 400 Race sled Oct 10, 2014 11:33:37 GMT -6 via mobile Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by lemans1955 on Oct 10, 2014 11:33:37 GMT -6 Looking nice there Mike! I can't wait to give you some competition this year! I might have my nephew race a couple of times on the 340. The 74 nitro II is looking pretty good too.
	1974 Nitro II 340 1973 Rupp Nitro 340 1973 Rupp American 40hp 1971 Moto-Ski Capri 399 x2 1971 Rupp Sprint 34 CCW Also owned: 2001 Ski Doo 500F Touring 1991 Polaris Indy 650 SOLD! 1979 Yamaha Excel V 540 1972 Arctic Cat Puma 340 Chassis SOLD! 1971 Evinrude Skeeter Wide Track SOLD!

lemans1955 Silver member Posts: 531	73' Nitro 400 Race sled Oct 10, 2014 11:42:04 GMT -6 via mobile Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by lemans1955 on Oct 10, 2014 11:42:04 GMT -6 Rick, sunnyvilla is snow oval-ish. More like kidney shaped with a dogleg on the back stretch and some killer elevation changes in the corners.
	1974 Nitro II 340 1973 Rupp Nitro 340 1973 Rupp American 40hp 1971 Moto-Ski Capri 399 x2 1971 Rupp Sprint 34 CCW Also owned: 2001 Ski Doo 500F Touring 1991 Polaris Indy 650 SOLD! 1979 Yamaha Excel V 540 1972 Arctic Cat Puma 340 Chassis SOLD! 1971 Evinrude Skeeter Wide Track SOLD!

Ruppsup Senior Member {S=0} Posts: 320	73' Nitro 400 Race sled Oct 10, 2014 12:16:40 GMT -6 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Ruppsup on Oct 10, 2014 12:16:40 GMT -6 The Nitro really looks great Mike. It's gonna be a good season!
	67 Sno Sport 300 69 GT-300 70 Sprint 29 70 Sprint 34 (340ss) 70 Sprint 40 (400 CCW) 70 Magnum 340 71 WT 440 71 WT 634 71 Magnum 440 w/t 72 Nitro 295 73 Nitro 440 73 Nitro 440 "Nitro-X" 75 Nitro F/A 440 70 Go-Jo 70 Ruppster 71 Blackwidow 74 Centaur

74nitro2 Senior Member Posts: 153	73' Nitro 400 Race sled Oct 10, 2014 12:26:47 GMT -6 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by 74nitro2 on Oct 10, 2014 12:26:47 GMT -6 We will let the RUPPS RIP !

74nitro2 Senior Member Posts: 153	73' Nitro 400 Race sled Oct 10, 2014 13:50:38 GMT -6 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by 74nitro2 on Oct 10, 2014 13:50:38 GMT -6 Oct 10, 2014 11:24:50 GMT -6 snosnake said: Mike is Alex going to drag race or run the roundy rounds. It sure looks nice. Round and to the left.

drrupp Senior Member Posts: 397	73' Nitro 400 Race sled Oct 10, 2014 19:37:17 GMT -6 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by drrupp on Oct 10, 2014 19:37:17 GMT -6 Your 1/2" wrench is laying on the track if your looking for it.

74nitro2 Senior Member Posts: 153	73' Nitro 400 Race sled Oct 11, 2014 3:57:42 GMT -6 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by 74nitro2 on Oct 11, 2014 3:57:42 GMT -6 Thanks Dan!

Rupp Luver: I've been gone for so long,my account was closed.I'm doing my last Rupp build,you can follow it on Vintagesledders.com on Face Book.Yes Rick,its the end of the line! Nov 16, 2023 17:17:20 GMT -6

Rons Rec. Parts: Hi. We've been cleaning House. Back in the 60s-70s we were a Rupp dealer. We found 10 pallets of new Rupp Snowmobile parts & plastic buried in the warehouse. We would like to sell the whole lot if possible. If interested contact Dwaine @ 907-262-5235 Dec 20, 2023 16:39:32 GMT -6