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By pendergrass - 13 Years Ago
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Hello everyone. New guy here. Have a 56 vic with 292. I installed a 57 B intake on it with a 390 cfm holley. Runs great. Burnt the paint off the intake. Read some of the past topics and know there is a fix to this but haven't quite figured it out. One of the post talks about a different type of intake gasket to install and some about the heat tube. Do you just remove the tube and plug the holes in the intake? Is it OK to run it like it is or should it be fixed? Any help/suggestions greatly appreciated? Thanks Leon.
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By Don Woodruff - 13 Years Ago
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I believe CASCO (Tbird supplier) has gaskets you are looking for. Make sure your heat riser is not stuck.
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By Tom Compton - 13 Years Ago
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Being in warmer climes than most, removed the heat riser and blocked the cross over. A little rough if it is cool and don't drive 4-5 days a year when it is cold.
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By MoonShadow - 13 Years Ago
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You can cut a piece of thin metal and insert it in between the gasket and the intake. One on each side. It is not impossible to do this without removing the intake, just loosen all the bolts and use a knife to unstick the gasket in the middle. I've even pulled intakes that were stuffed with balls of tinfoil to block the crossover. As mentioned on cold days your car will be quite cold natured and require extra time to warm up. But the paint stays pretty! Chuck
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By Hoosier Hurricane - 13 Years Ago
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When you changed the intake and carb, did you upgrade the distributor to a '57 or later unit? The '56 distributor won't really work correctly with the later carb.
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By DANIEL TINDER - 13 Years Ago
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Leon,
You should get by fine without the heat riser valve in Nevada (spacer/dummy valve, or tied up orig.). I like to drive year round though and appreciate the little bit of manifold heat you get with the small-hole truck gasket. Without a working valve, just undercoat the heat riser with high-temp engine paint, and then the correct colored final coat won't burn off.
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By pendergrass - 13 Years Ago
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Thanks for the advice. I ordered new intake gaskets. I did not change the distributor but I don't think the 56 one is in there. The one that is installed has a tan cap on it and the #1 mark is on the aft side of the cap but the actual #1 wire is on the fwd side of cap. Make sense? I did put pertronics in it though. Thanks Leon.
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By Hoosier Hurricane - 13 Years Ago
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Sounds like someone installed the distributor 180 degrees out and just moved the plug wires around to suit. No biggy as long as you remember #1 wire is not in the #1 hole during future tuning. A '56 distributor has a dual diaphragm vacuum advance and no centrifugal advance. If that is what you have, it is not very compatible with anything except a '56 carburetor, and even then it leaves a lot to be desired.
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By oldcarmark - 13 Years Ago
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One way to tell if you have the original no centrifugal advance type is to take the cap off.Can you see springs ABOVE the breaker plate?If yes you have the original loadomatic which really needs to be replaced with a later 57 up style.What have you got? I did the "B"manifold,390 Holley,and later distributor with Mr.Gasket replacement light springs for the distributor and the difference is like night and day. I just cut a couple of pieces of aluminum and blocked off the heat crossover and added a 1/2 inch phenolic carb spacer to cut down on heat transfer from manifold to carb.Be very sure to either wire the heatriser in the open position or buy the replacement spacer to replace the heat riser altogether.Tee-Bird .com plus others sell the spacer.The old heat tube in the manifold needs to be capped at both ends to avoid vacuum leaks.
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By aussiebill - 13 Years Ago
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pendergrass (6/21/2012)
Thanks for the advice. I ordered new intake gaskets. I did not change the distributor but I don't think the 56 one is in there. The one that is installed has a tan cap on it and the #1 mark is on the aft side of the cap but the actual #1 wire is on the fwd side of cap. Make sense? I did put pertronics in it though. Thanks Leon.Leon, i,m guessing you,ve been into boats by the Aft and Fwd terms, love it! 
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By lyonroad - 13 Years Ago
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Aussie, with this talk about blocking the hear crossover, I have noticed on the Cusso Bill web site that there are intake manifold gaskets with the heat riser crossover blocked. Are such gaskets available north of the equator?
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By oldcarmark - 13 Years Ago
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Tee-Bird.com sells a "restricted" intake gasket under part # 9433A.I dont know if restricted means totally blocked or just small opening.Description says to prevent paint being burned off the intake manifold.a phone call would answer the question.I just used thin tin to block mine.Works the same as a special gasket would.
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By pendergrass - 13 Years Ago
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Thanks for all the advice. Yes, I have been on a few "boats". US NAVY 20yrs. Now enjoying the desert life in Nevada!
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By aussiebill - 13 Years Ago
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lyonroad (6/23/2012)
Aussie, with this talk about blocking the hear crossover, I have noticed on the Cusso Bill web site that there are intake manifold gaskets with the heat riser crossover blocked. Are such gaskets available north of the equator?Mark, i only had a few sets of those blocked off intake gaskets which went quickly. is easy as suggested to cut thin shim and block port. regards bill.
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By pegleg - 13 Years Ago
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Leon, It's gonna be tough to get Sea Sick in the desert! I spent some time on Uncle Sam's "Boats" also, SS319 and SS409.
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By lyonroad - 13 Years Ago
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Thanks Aussie, block them off with tin it is.
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By ecode ragtop - 13 Years Ago
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Frank,I hope that didn't stand for " super stock 409"
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By aussiebill - 13 Years Ago
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pegleg (6/24/2012)
Leon, It's gonna be tough to get Sea Sick in the desert! I spent some time on Uncle Sam's "Boats" also, SS319 and SS409. Tom, i think frank had a steer of the titanic for a short stint.!
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By pegleg - 13 Years Ago
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Tom, Nope, WWII era diesel electric submarine. The 405 (sorry about that number) . USS Sea Owl. No W engines here. I does have 4 1600 hp Fairbanks 10 cylinder inline Diesels though. Each 10 cylinder engine had two cranks, 20 pistons and rods and NO valves!! edit, wrong number meant 405. And the Becuna ss319 is the museum boat. Memory is going, going gone!
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By charliemccraney - 13 Years Ago
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an opposed piston engine.
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By pegleg - 13 Years Ago
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Sort of. They're a two stroke diesel. The upper crank led the lower crank by some 30 degrees. The pistons came together in the center of the cylinder. No head, no valves, 1600 hp at 750 rpm. And no that's not a misprint. We have another submariner lurking on this site, Ray Vargo was an engineman at the same time I was in. 1962-1966.
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