4-hole carb spacer
This isn't Corvette specific, but it's for my 'vette, and there's a buncha smart, helpful people on this forum, so I figured I'd give it a shot here. Can anybody tell me where I can purchase a 4-hole, phenolic, 1 inch thick carb spacer for a Holley 1850 with 1 9/16" holes? Can't seem to find one anywhere. Do they exist? Or are they all made larger so as to be a more universal fit? Thanks in advance for any help,
Scott |
have you tired www.summitracing.com or www.jegs.com
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:iagree::iagree::iagree: |
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http://www.summitracing.com/search?k...20spacer&dds=1
Here ya go. 7 pages of phenolic spacers. These are essential if you are running a heat sink prone Edelbrock. |
Originally Posted by Scottd
(Post 1584462487)
http://www.summitracing.com/search?k...20spacer&dds=1
Here ya go. 7 pages of phenolic spacers. These are essential if you are running a heat sink prone Edelbrock. |
Originally Posted by augiedoggy
(Post 1584462831)
Its funny edelbrock carbs take a lot of heat here (not literally) but I noticed this past Wednesday at a large carshow that the majority of the cars had edebrock carbs on them... Yes their were holleys and even quads on the stickers but by far the most common Carb was the carter/Weber/edelbrock series that everyone hates so much...
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I have made several wood carb spacers. Usually out of Walnut. The wood is very dense and does not absorbe fuel easily.
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its edelbrocks marketing and price. some people are happy that the car even runs.
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Originally Posted by augiedoggy
(Post 1584462831)
Its funny edelbrock carbs take a lot of heat here (not literally) but I noticed this past Wednesday at a large carshow that the majority of the cars had edebrock carbs on them... Yes their were holleys and even quads on the stickers but by far the most common Carb was the carter/Weber/edelbrock series that everyone hates so much...
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Originally Posted by Scottd
(Post 1584462487)
http://www.summitracing.com/search?k...20spacer&dds=1
Here ya go. 7 pages of phenolic spacers. These are essential if you are running a heat sink prone Edelbrock. OK, maybe I'm being a little obtuse here. My point is that none of them say what diameter the holes are. I've finally broken down and sent Summit a message asking them if they have any 4-hole, phenolic spacers with 1 9/16" holes. Waiting to hear back from them. Scott |
Wood is what you want, But the idea from a 4 hole is better signal to the boosters. So they are sold as 4150 size......
Circle track racers us 1/2 inch.. The A/F is heading straight down and at some point has to take a nearly 90 degree angle to the intake valve. Tall single planes only use a 1/2 inch wood spacer. As to matching the throttle blades size. is a mute point |
Originally Posted by 7t9l82
(Post 1584464839)
its edelbrocks marketing ..
Same reason people buy Monster cables and Bose sound systems. Mediocre at best but there are ALWAYS those that will defend them. Marketing genius. |
Originally Posted by gkull
(Post 1584466617)
Wood is what you want, But the idea from a 4 hole is better signal to the boosters. So they are sold as 4150 size......
Circle track racers us 1/2 inch.. The A/F is heading straight down and at some point has to take a nearly 90 degree angle to the intake valve. Tall single planes only use a 1/2 inch wood spacer. As to matching the throttle blades size. is a mute point I don't understand what you mean by "sold as 4150 size". 4150 style carbs come with several different throttle bore sizes. Scott |
I am all ears, i had a 4 hole spacer ( don't know what size ).
Am now using an open chamber one on my Edelbrock and holly 1850 to reduce the heat to the carb. Is this good/bad idea? Guess i should check out my bore spec also. |
Does the carter AFB that the Edelbrock is modeled after share the same negative feelings around here?
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My company makes Woodfiber laminate spacers for Edelbrock. They are a composite of wood and plastic. We make a 1" thick, 4-hole spacer. These are made in the USA (Seattle, right below my office). When I get to work tomorrow, I will double check the diameter, but they should match the diameter of the Holly carb.
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I actually just installed a 4-hole spacer on a Edelbrock 1406 carb on a Edelbrock 2101 manifold, trying to combat a vapor lock/fuel percolation problem on my 74. The car ran so badly with the spacer that I immediately took it back off. I assume there are carb adjustments that have to be made when these spacers are installed. I don't know enough about adjusting carbs at this time to make those adjustments, so I took it back off. It will be nice when the cooler weather comes back so I can not have to worry about this problem, and getting stranded as a result.
My spacer was wood, purchased from Jegs. I fully believe that this is the right solution to the problem just need to be aware that it may require other adjustments...not always just plug and play. John |
Originally Posted by jnealg
(Post 1584467025)
:iagree:
Same reason people buy Monster cables and Bose sound systems. Mediocre at best but there are ALWAYS those that will defend them. Marketing genius. One could say the Holley is so popular for the same reasons.... ask anyone who knows very little about engines and they think the "Holley double pumper "is the ultimate bolt on mod of course the 750 is used regardless if its way too big for the engine or not.. Anyway back on topic.... I was given a couple 4 hole spacers but they are 2" and plastic |
scott which carb do you have? 9/16ths is .563 inches
CARB VENTURI BUTTERFLY Holley 750/750HP 1.375" 1.6875" Holley 830 1.562" 1.6875" Holley 850/850HP 1.562" 1.750" Holley 950HP 1.375" 1.750" Holley Ultra 950HP 1.600" 1.750" Holley 1000HP 1.562" 1.750" QFT/Proform 750 1.375" 1.6875" QFT/Proform 850 1.400" 1.750" QFT 950 1.450" 1.750" Demon 750 1.401" 1.6875" Demon 800 NEW 1.425" 1.750" Demon 825 OLD 1.425" 1.750" Demon 850 1.562" 1.750" Demon 950 1.590" 1.750" |
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