mine has a little manifold thing and i was wondering if i could weld a peice of pipe to it do yall think it would hurt it?

As long as you dont warp the heck out of it. After done welding, run a flat file across it until you get it smoothed back out.
When bolting it on, you dont need a cheater bar, just get them a little past snug.

I know a guy who uses a caulking gun and clear silicon on his street stock exhaust. "I gotta take the dang things off after every race, this stuff cleans up easier and I can get 6 tubes for one little squeeze tube of RTV!"

I think I'll stick with the RTV.

I replaced the electric shutoff with a nut from another carb, so I guess I'lll try cleaning it some more. The only problem is that the brass shaft that goes through the whole center is stuck in there really tight, and I pretty much stripped it trying to get it out before.

Just for educational purposes...
I believe the "brass shaft" you are talking about would be the throttle shaft. If you got it messed up then carb is prolly leaking air around it causing a lean condition, which is why you are needing to choke it to get mixture right. Avoid destroying these parts in the future, might save some dough

Actually, my "team partner" found them.
Called me, said "You know (name with held for privacy), he's said he had a couple of mowers and an engine. Want to go look"
On the trailer Is the walk through MTD, the blue one is a '96 Murray which is sitting on a '72 wheel horse complete chassis(all the tins are in back of truck and flawless), behind them is an old Craftsman with a cast Iron grill , that thing  weighs a ton.  there is a newer walk-thru Murray, a lawn chief, another mtd, a Large Craftsman chassis and 4 or 5 transaxles.
In bed of truck, sheet metal. Complete running 11hp briggs, 14hp OHV Briggs & an unknown opposed twin, plus a basket case opposed twin oh and a Horizontal shaft  ??hp on the old craftsman (Looks to be in the 10-12 range).

Any one counting? Thats 8 mowchines and 4+1 basket case engines.

But thats not all, gotta go back for second load!

Total price,$120. With scrap at $140 a ton right know, we'll get half that back out of all the junk we don't use!

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BTW did I do the pic right? Usually they show up as a thumb, but this one doesn't?
Is it because its mine or did I do it wrong?

Ok, tryin the photo buket thing
Pic speaks for itself...we needed mower parts....see anything interesting?

7)Make sure its an I/C. Dont run a cool bore.

Whats a "Cool Bore"???????

http://acmemowersports.com/jackshaft.html