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thought it was interesting....for reference

or (Ford) Gulp valve or anti-backfire valve, AMC Decel-valve.....used on 70's era cars to prevent backfiring when letting off the gas. Jeep used them, cant remember a Mopar application. Question: is the vacuum pod supposed to hold a vacuum? My little Mazda truck wont idle and I found this part...

Question: If a normal N/A exhaust manifold on a good tune runs 200-600F could you theoretically cast one out of Aluminum? I know that sounds ludicrous but AL has a melting temp of 1000-1200 and can be cast with hobby grade equipment. Corvairs and Pontiac offered them to drag racers...Just a...

I know it sounds funny, but lead can just pour into a void and harden up like...lead. It melts at a minimum 650F so it would need to get pretty hot down there to melt off? Heres the background story: My 35 year old Mazda B2000 had a muffler leak so I bought a new one and attemted to install it...

My old truck muffler has a few holes right where the pipe comes into the case, I cant wrap it so I thought maybe Ultra Copper RTV would fare well enough on the muffler to plug the holes. Would it last or would the muff get too hot? Its about 12" from the cat and another 12" from the Y pipe. The...

put a NOS carb on a Mazda B-2000 (hey, it could be a D50 for reference sake!) and now the car doesnt want to exceed about 50 mph. Its like a rev limiter kicks in at about 3500 rpm, I mean it lays down hard like the ignition cuts out then when I let up on the gas, itll pick right up so I limp it...

"Solenoid charge temp EGR switch"...it was in a newer slant six intake #6 runner. Does it close at a certain temp> I Couldnt vary resistance when ohmed out.

Take an old set of crushed headers and cut all pipes off at 2" of flange. Get yourself 4 pieces of 1 5/8 X 30 flex pipe. Weld all on and start snaking them any way you can to the old collector that was trimmed at the 4 tubes. Get everything snaked and reconnected, weld a brace from the collector...

Holy cow, whats the trick? Im trying to use 5/32 E6011 rod, set the buzzbox as low as it can go and cant strike an arc, move it up to about 40 and I can get an arc, but I blow right through the tube. Now this stiff is pretty thin old crap, not your 16G new header stuff. I guess I could MIG it...