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Maybe, but you're the smart one by fixing it properly!
With all this cobbled carb/spacer business, it would be interesting to see the throttle linkage/kick down, if its an auto. Besides the direct bolt on, set and forget advantage of an Edelbrock, the factory linkage is bolt on as well.
I actually did take a pic of it before i took the carb off.
Nope....Tricked you. That's an Edelbrock 600 AVS, without the Edelbrock badge.
Have any zoomed out of the complete linkage ?
ah no i didnt. just snapped the pics so id make sure to put it back how it was
If you're going to use that Holley, here's the throttle linkage adapter you need as well...
Cool. All the newer Eddy's do not have both patterns drilled, correct?
Heh, thanks! I got this one.. looks like i can use the inner screw holes to mount onto the manifold and the outer ones for the carb.. Looking at my pic vs this one, not sure how my trans kick down would work with it??
They all have the dual patterns drilled.
Maybe this setup....using the Holley throttle adapter.....
Hmm...I have an older Carter SuperQuad 625 that I had to drill the 2 missing inner holes, so I could use it on my '67 Commando intake w/o adapter.
80457-6 and 2706 List number 80457 revision 6 2706 is the date code and not important at this point. List numbers can be looked up on a Holley List sheet. https://documents.holley.com/techlibrary_carb_numerical_listing.pdf The R prefix is used on many Holley documents. IIRC it indicates engineering list number. Bottom line, its the same with or without the R. It's Model 4160 with advertized flow of 600 cfm, and vacuum secondaries. its still available new, but only in silver coat. Holley 0-80457S 600 CFM Street Warrior Carburetor As @yellow rose posted, it is very similar to the list 1850 carbs. It can work fine if you choose to use it. There's a basic instruction sheet on Holley's webpage. Notice the first thing to check after getting the car running is the fuel level.
THE CARBURETOR SHOP / Four barrel mounting flanges If I understand correctly: Basic AFB '57-'74 bolt pattern 4¼ x 5 5/8 inch (includes AFBs with ¼" wider throttle bore centerlines) Holley pattern is 5 1/8 x 5 5/8 inch also used on some AVS, and some AFBs. Spread bore pattern is 4¼ x 5 5/8 inch (same as most AFB) Early squarebore, mostly 1952-58 except trucks. 3¾ x 3 7/8 inch
Hey, YR, just to be clear for the OP, isn't a NGK GR4 plug already fairly hot??? (yeah, I hate NGK #'s too!) Doesn't seem like it would cross to a Champion 11, but these plug numbers scramble my brain. And I agree about the platinum plugs!!!! I had a 440 with stock Mopar ignition that I could never get running right until I finally pulled the new-ish platinum plugs and replaced them!!! If this helps anyone: "NGK plugs are colder the higher the number, hotter the lower the number. Starting with part # BKR6E-11 (heat range 6), a colder plug would # BKR7E-11 (heat range 7), a hotter plug would be # BKR5E-11 (heat range 5). For NGK Racing Plugs, the heat range is located AFTER the hyphen." "NGK GR5 (one step colder than GR4)"
Measure your bores in that 273-4 intake. The primaries may be a tad too small for modern era carbs, ie edel 600, break out the grinder or run a open plenum spacer. Iirc they used to mount hemi cross ram holleys onto the 273-4 with a primary bore notch. If your dead set on using a different carb other than a dual pattern carter-brock, you can cut the whole 4 port flange out of the 360 degree intake and make it a common plenum. Add a 2" wilson spacer and youll get another 1000 rpms out of that intake. Not hard to do with a tight 273.
10-4 will measure. For now i'm waiting for this new adaptor plate to arrive (01/09) and i'll see how the carb works, then if i need adjustments i'll find out jet size and see if i should switch them out per page two.
adapter will move blades off the small bore base and allow them to work fine.
Yeah, it's fairly warm. I'd keep an eye on them once the OP gets the carb/spacer sorted out.
ya i'll get the ones you suggested for sure. Spacer comes in on Thursday and i'll hopefully put it on after work.
Carb plate arrived. Looks pretty good - as you can see above the top ports are a bit wider than the exit ports (for lack of better verbiage). I lined the top gasket up with a stock gasket for the manifold: After a quick test fit on the Holley it bolts up well. I'll do the install tomorrow morning and see what happens.. @yellow rose - which plugs do you recommend? I'll pick up a copper core version for tomorrow as well.
10:1 or lower on pump gas I'd start with a Champion RC12YC and see what it looks like. Keep us posted please.
The only ones i could find were RC14YC so hopefully thats not too hot.
That should be close.
OK. so. plate installed. I figured this would happen and it did.. car doesn't run because the carb has been adjusted to run with that plate on it that was choking the primaries. I need to do (and learn how to do) a full adjustment. It fires up, runs VERY high like i'm at WOT and immediately craps out. Then hard hard start and repeat - very high WOT sounding and craps. I think its getting flooded and now its time to learn how to get this carb adjusted. This doesnt surprise me - with the plugs fowled up in a way that seems too much gas, and the carbon on the exhaust pipe ends, as well as the 0.5MPG I always figured its getting too much gas. Now that its set up correctly it doesnt want to run...