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The VHT "ceramic" in white outlasted a header pipe I had. It goes on then is kinda chalky when you touch it (even dry) until you bake it in a BBQ or just run it for about 30 minutes at idle. Itll set up like pottery glaze and the only way I got it off the pipe was to grind it off. Fun fact: iron...

sounds like your spring is just slippeing off its perch, can you fold that tab over the stop? Cold motor causes the spring to close the flapper, apply heat to the spring with a heat gun/hairdrier. youll see it start to move. That is the direction the force on the spring needs to be contained to...

Necropost>>> I must correct my initial post to keep everyone who's never heard of my described valve in the loop: When working, the valve opens a huge vacuum leak for a split second to the INTAKE manifold on a high spike of vacuum caused by the throttle snapping shut. This event (without the...

Nevermind. You wont have to worry about in in New England.

@Jarlaxle Here is my .1% right (and most of my wrong): "....watch out for removed smog control parts which were perhaps legal, or quasi-legal to remove some places so long as the emissions met local standards. In CA (and in many other states as well) the smog test includes a visual equipment...

That is for newer vehicles, ie 2021's! so you cant buy a new car in Nevada and bring it on over with 400 miles on the odometer. Must rack 7500 miles...and the older Fed cars must pass CA smog limits, not the Fed limits they were built to pass if you wanna register them here. I know the carb main...

Been preaching that for years. Its a win/win and if your missing that 4 HP during cruise, when its active, your feeling something else. I can buy a 49 state cat online for my 49 state FED Mazda but I have to send a copy of the registration proving its a 49 state car to get it shipped ot CA. This...

Hoe long is this headpipe? A shorter pipe can handle a smaller ID to keep velocity and scavenging up even out of a log manifold. The longer smaller id runs ones will hurt performance. If your just mocking something up to get fabricated, use the flexible stuff you get in 12" -18" lengths at...

Resonators after the muffler does wonders on a long post pipe and a crossover really mellows out the pulses of duals. No more pop pop out each side, now its more of a common thud.

Flowmasters suck. To tinny. THRUSH Hush or some good old turbos, pass on the straight through or baffled, you want the chambered style and the longest that will fit.

I have no info on post 66 fitment as the inners are +2 on each side and these are designed to go around the pre 67 narrow A's. If the site says they will fit, good luck. They are tight everywhere on a 65. Not sure howbrhey will handle a wider 67+

5208s sorry I'd didn't see thus earlier or could have rattled that off top of my head. Much experience with these on a 340 head :BangHead: as in the ports are too small and won't seal. The primaries are 1 5/8 small and the collectors are 2.5" iirc. They fit 273/318s great. Must use a port plate...

I didnt realize there was a support under the fender and over the inner fender, I almost thought the fender was the only thing holding the support up. I have replacement inners that will go in one day. Just get it squared up before you start tacking it as it will remain as it sits once the...

Nah, never came across that driving here 35 Years. My 57 got 5mpg with a predator carb on its 351C, the 65 Barracuda 340 I had was never checked. What could they check? There were no emissions crap on those to check. (my 65 S had an air cleaner breather tube and a pcv valve, C.A.P stuff..the 57...

I wonder what the efficiency of the cats would be without the added air that the smog pumps or pulse induction provides? Heck, some of the cats had an air nipple built into them to inject combustion supporting o2 into the case. Id say to provide that added o2, run a header evac system.

I often see CHP trucks at on ramps pointing sensors at a 45 degree at the passing cars on a tripod. I think these are CO sensors that will trip if a nasty car drives by. The on ramps are usually based on a green light for entry so these cars and trucks are on it, producing the most emissions at...

Gut 'em and make them resonators.

Soo, is that CARB statement correct in that the CARB branded cats are the same as the "49" state cats but just with an extended warranty? That's what Walker rep told me. If someone had higher failure rates with the non CRB branded cats, that is suspect.

Most new perfomance cars have them already, I bet you could find some pulls used. There were a set off a Corvette a few years ago at a Fling, guy wanted $60 for both of them. He was playing with them with a 12V battery to show how they worked.

Same **** here, the tester put my Mazda in first gear and then accelerated to 15 MPH watching the line (must keep it between the lines here) . The machine recorded a certain RPM and a big red flag went up. The tester stopped the test and told me he had to abort the test and he could not continue...

Had the hot foot too! Somehow they always seem to find that part of the shoe. Flux welding frame connectors on your back is not real pleasant either. I put a big sheet of cardboard over me and just peaked out over the edge. After I was done the cardboard looked like it took a 12g blast

Just pour a 1/4 cup of oil in the puddle. They will die. We always spray skeeter puddles with WD40.

IIRC they use a nickle rod and plenty of post braze peening and SLOW cool down, like burying it hot in sand. Remove the valve and let him fix and then probably drill out the rod hole again to fit valve. If you wanna attempt this with special rod, Id mount it up and then weld it to preserve the...

Hit that **** with a hammer and take it to a muffler shop and have them weld a patch on that. Or you can cut the interference section out and have the shop cut in a straight section. I like those headers . They look a little different where they leave the driver side head if you want to ditch them.

passenger side is a generic LA header drop in, everything fits! Driver side is the bear. The designs with the #1 flying back then down are good, but the ones with the #3 going back then down have a fighting chance of fitting with only the #5 being redesigned. The time spent remaking the hookups...

I think someone got those to fit on a 65 A too.

I used this: VHT SP118 VHT Flameproof Coating Stuff worked great, created a ceramic like finish that I had to chip off when I took those headers out. Under was clean metal, no rust. Would use it again, bus as mentioned the most important part of the spray is curing it. It will come off on your...

Ive adapted a set of Pro-Parts semi fenders for a 65 A bay, bird **** welds , burn through issues on thin metal, need a big chop saw. Hooker makes tube alignment rings, kinda nice to butt them together with a little support. Dont know how the muffler guys do it all with a stickwelder. LOTS of...

isolated duals sound like a steel drum if you have some crazy roller can and Flowmaster. A crossover tube middles all the pulses together and gives a mellower note and possibly less drone. The crossover tube did other things too, Pontiac put a crossover tube on their 63 super duty Tempest drag...

That thing is gonna suck big time. Thats the same principle of the HF venturi vacuum pump that you hook to an air source to, it can pull 30 inches. My Mazda has a pulse injection that used the same principle, its a venturi in the exhaust manifold and you can really feel the suction, enough to...