Search results for query: heat riser block off

My original Carter carb hasn't had choke butterflies, nor anything hooked to the hear riser since 1975 or before. The first intake gasket I changed had a solid gasket on one side of the crossover, which I've continued to block off with any intake gasket change. The heat riser defaults to...

Anyone have pics of their heat riser block off or deletes? I'd like to get rid of that. If at all possible I'd really like to cut it off and weld a plate or something of that sort.

Two sets, one is mild and the other stainless steel. Includes two heat riser block off plates. $125 shipped from 95695 Woodland CA

This is a Small Block Right Side Exhaust Manifold #3418623, dated 4-10-74. It has the heat riser which works fine, but the anti rattle spring is missing. It does have a small chip by one of the the bolt holes, as you can see in the pics. It came off of a 1974 Cuda, but I'm sure it was also...

Cut it out, weld up the holes and never look back. Use the Felpro gaskets that block the crossover in the intake. If you are big on everything looking stock, weld up the holes on the inside, cut the pieces off your old heat riser and weld or glue them in the holes, but when was the last time...

i always block mine off cut a square piece and weld it in, then have it 1/4 of an inch gap under the intake so its not touching, guess what my intake still gets hot from the exhaust ports right next to the intake ports. Still needed a thick heat insulator gasket t help with heat soak, no matter...

I have a setup to block off the heat to the manifold along with hoses and a valve to be able to turn it on and off so you can put on in the winter you could probably use it

The setup that I told you I have is for running hot coolant to the underside of the manifold with a valve to block it off in the summer. I would also suggest heat wrap on your exhaust runners. If you would like to go to the coolant route to set up is yours for the ship

These came off a numbers matching 1967 Barracuda Formula S 383 car. Date codes are February 8 and 20, 1967. Super clean, heat riser holes welded shut. Project car gone, maybe somebody needs these for a date correct restoration. $1,200 plus shipping from zip 57004.

Nailed it, I knew it was a Holley style and started with a 2 but so many variants! I’ll dig through that link. Thanks! Fuel tank has a vent hose that would have run to the canister hanging under the bed to where it can’t get dirt or moisture in it. Trucks parked outside 24/7 so I’m not too...

The charcoal can may need some vacuum for purging. Main concern functionally will be the fuel tank vents where ? The carb in the photo has a bowl vent inside the air cleaner, so it will work fine. The charcoal can connection to the carb bowl is typically only for controlling bowl vapor when...

Bob, Here's another thing to consider: whether or not you want to block off the heat riser port going across the center of the intake manifold. If your carburetor uses an electric or manual choke and you don't live in a cold climate, you might not need that heat going to the intake manifold...

A few updates. Got the heat riser blocks done. Will cut out this section in the intake gasket and silicone the openings in the heads. If it ever is a problem then I'll just change to an aluminum intake. This is a very thin block off, thinner than gasket thickness so it's not going to cause...

And by "this" block-off plate, you mean? (Did you mean to attach a picture?) I'm curious about this thread because I've been thinking of blocking-off the heat-riser... I'm assuming people do such things..

Richard, I want to retain the stock choke, and have spent a significant amount of time cleaning the exhaust port so the choke functions as designed. As far as the plate goes, its there to prevent oil from coking up on the underside of the exhaust heat chamber. This is a stock build and the...

...intake with a block off plate and a water feed. I think youll find carb will need to be leaned out and will run better. Get the heat riser block off plate on Ebay and drill a hole in it for a barb fitting and put another fitting on the EGR block off plate over the heat port, now you got a...

This... I've run engines with the crossover blocked in below-freezing temps and they do just fine, as long as the tune is good you shouldn't even need to spend much time letting it warm up. The last engine I left the crossover open it would frequently boil the gas in the carb even with 1"...

In my experience, cold starts are much better with more Idle-Timing, but it depends an awful lot on other factors ; like the gas, the compression ratio, the choke, and various carb settings. Try Not to mess with the timing for cold start issues, it will just frustrate the heck outta you. The...

If you have a v8 with a mechanical choke in the manifold, it will never open if you block off the heat riser ( my experience). If you have an electric choke, no problem.

northern Il I'd not block off the heat riser 340 cam kills your dynamic compression and mileage in a low compression motor and not in a heavy vehicle with tall gears I would not use one if it was free

I think a simple plate would work pretty good to block most of the heat (assuming you don't drive your slant when it is cold outside). But imagine the exhaust manifold flow is uglier than need-be. I used to have a /6 exhaust manifold where someone chopped off the heat-riser and welded it shut...

Since the best manifold I have already had the flapper removed, I don't really have a choice. It was either run without the block off and run heat to the manifold all the time or block it off. I chose to block it off.

Your experience may differ, but a many years ago I blocked the heat riser in my 66 Barracuda when I converted to a two barrel carb. Big mistake - took probably ten miles of driving to warm up enough that I didn't have a BAD off-idle flat spot. I've blocked the heat riser on V8s no problem...

I live in Georgia. What's a choke?

I found those little plastic things and they were great. Wish they came in all gasket sets, but they definitely helped a lot. Thanks for the info on them. I wouldn’t have know what they were for even if I had seen them before haha.

I have had to get them off ebay from various sellers, 1243 Felpro: eBay item number: 164378110627 There are 4 small plastic inserts that hold the 1243 Felpro gaskets in place that are kind of hard to find, maybe some plastic plugs from your hardware store that you cut the bottoms off. Will...

That’s pretty cool. I ordered the gasket this morning for oriliey but can swing by the hardware store to see if they have those plugs. Those would be cool to try.

Tell that to all of us who have run headers on a slant..ain't no thing. 10 miles is pretty exaggerated.

You might find some answers here: Search Results for Query: heat riser block off | For A Bodies Only Mopar Forum

The reg performer would of worked better but I went with the air gap to get rid of heat cross over, not to mention the performer has a slot for the choke heat riser, way to many ports that need block off plugs, and if I ever do change to a 360 down the line I can reuse this manifold instead of...