94 Carb insulator

53ford

Junior Member
I have what seems to be a common problem, in that probably the modern gas is evaporating after getting hot and setting for awhile. I have come up with some 1/4" phenolic spacers to install under the carb. I understand to put a gasket on both sides if using one spacer. But I think I have also read where it may require two to space the carb further away to help with the problem. If I need to install two, does it require another gasket between the two phenolic spacers? Also is there a common source for longer mounting studs to install in the intake to allow for the spacers? Thanks for any info you can provide.

Note: Vehicle is a 53 Ford F100, 239 flathead, Holley 94 carb, 3 spd ******
 
If the idea is to space your carb away from the intake manifold and the heat that is still being generated after the engine is shut off, you might want to consider a 2" or 4" carb spacer. They can be installed using the original studs and then have studs installed for the carb on top as well.

Using some aftermarket spacers more for a hotrod application might be the best place to start looking. These are usually aluminum which would dissipate heat faster than the stock intake. The two pics show both my flattie cars having aftermarket risers/adapters - they work very well.

Try www.verntardell.com , Speedway, and maybe google it as well.
 

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Longer 5/16 studs are readily available fron any speed equipment source...online, hit Google or Jegs and look at stuff for 4-barrels with spacers.
 
'53,
Just an update here....email Dick Spadoro, he sells an extremely
efficient carb insulator. He did the leg work on this so you know it's
right. It's a bit different and certainly worth a look.
Charlie ny
 
make sure the cross over heat ports from the engine to the intake manifold are plugged, a penny fits in the holes good, those holes go thru the intake behind the carb and act as a preheater for the carb, its not needed and will cause the carb to become very hot and cause the problems you have
 
I just bought two of the new type Dick S. sells at York this weekend. I bought them from Coolcarb Technologies. This is the company that is making the spacers for Dick. Apparently they went into collaboration to come up with a new spacer for heat control. It appears to be some type of plastic material, I forgot exactly what the guy said, sandwiched in aluminum. They look good. I bought the style that just fits under the base of the carb, not the type that extends out over the manifold. I figured that it Dick S. was involved in the development, they must be good. Paid $30 for two at the show but price was $20 each. I'll let you know if I see a difference with heat/gas issues after shut down. Dan

Web site: www.coolcarb.com
 
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Let us or me know ,i just purchesd one for a customer of mine,hes having the same heat problems. thanks ken ct
 
I'm at the York, PA show now. I stopped at COOLCARB Technologies Booth and talked to them about their Carb spacers and picked up a copy of their literature. They had the large spacer that Spadaro had posted a picture of a week or so ago. They also had the smaller gasket size versions to fit the Stromberg base "D" shape and the type that fits the 94 type base that resembles a Sargent's stripes. The construction consists of a thin aluminum layer, an inner Poly-Core layer, and then another thin aluminum layer. For custom fabrication or questions contact Dennis "Denny" Waltimyer DGWALTIMYER@COMCAST.NET 1157 Delta Road, Red Lion, PA 17356, Ph.# 1-717-244-0719

PS... I just stopped and talked to Dick Spadaro at his booth and he is selling the spacers supplied by Coolcarbs. Dick supplied Denny with flathead Ford gaskets to use as patterns for the spacers. I just bought one of the Stromberg 97 spacers to test before and after Carb temperatures so I can report results back to Denny. He makes these spacers for every type Carb and manifold imaginable. He also holds the pattent for this spacer design.
 
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Dan,do you have a verdict on the testing of these carb spacers.Are you just using the spacer.Has anyone used the heat plate?I haven't see any feedback good or bad on this product.
 
ford1>>>make sure the cross over heat ports from the engine to the intake manifold are plugged, a penny fits in the holes good>>>

Ditto. If the manifold gaskets & block surfaces have been well greased before installing, a thin metal shim can be easily slipped in (or out) to plug the ports after loosening the manifold bolts a bit. No need to remove manifold.

Jack E/NJ
 
I have not put the spacers in yet. I'll probably do so this coming weekend. I have some work planned that being one of the jobs. I'll let you know how they work as soon as I get a chance to run the 40. Dan
 
As I've mentioned under the "scalloped base" heading. I just installed the spacer from Dick Spadaro. I purchased the long one that goes under the "bowl." Against my better judgement, I also dropped my float 3/32". No luck. fuel starts seeping out of the throttle shaft after sitting for 12 minutes after warming up to normal temperature and shutting down. I've called Dick and he has been very helpful and informative. He truly wants feedback from us as to the new "plate."

When all else fails read the manual. This may or may not be some of our problems but I may have just located mine. Not sure yet as I've just now decided to check some of my old manuals. The Ford shop manual states," In 1942 the 94 carb # 21A-9510 has a bowl vent located at the rear of the carb to prevent surging of fuel in the float bowl caused by air blast from the 1942 type, higher mounted cooling fan. Under no circumstances should the earlier mod 94 from 1939 to 1941 # 91A-9510 be used on the 1942 and later V-8 engines. The mod 94 carb #21A-9510 should be used on the 1942 and the 59A-9510-A should be the carb. for up to 1948, 100 hp engines. The rebuilt 94 carb on my 1948 Merc. is in fact, the 91A- 9510 carb. NO VENT! It should be the 59A-9510 for use on all 1946-1948 Ford/ Merc. V-8 100 hp. engines. I suspect that there are some rebuilders out there that are not aware of or do not pay attention to this Ford directive. I'll keep you all posted. If anyone has any other suggestions, I am all ears. At this point, I do know that my Merc has the "forbidden carb installed.
 
All you have to do is change the top section to a 59A.They will inter change. ken ct. I dont believe it will cure your problem.
 
I guess I don't understand this "heating up and evaporating" thing. Our 46 runs 180/190 in the summer and maybe a speck more in traffic@90 degrees. But, it always starts hot and if it sits for 4 or 5 days the accelerator pump still shoots a stream. Can anyone explain where/how the hot gas in the carb can "evaporate"? Maybe you are trying to fix a leaky carb with an insulator. Just my one cent worth. John
 
Hi Ken, I do have a core with a "59" on the bowl. However there is not a vent of any kind in the top so I am assuming that it was canabalized or interchanged by someone who did not check to see if it was the correct one for '47-'48. Do you have a matched top for my 59 body? Do you have one already built that I could exchange? I don't know if this will help my problem but at least I'll have a starting point by having the carb. that is supposed to be on the engine. What are your expert thoughts of putting the later '49-' 53 top, with a very visible vent in the throat,on the 59A carb?

Thanks, Rich.
 
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