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Discussion in 'Original Drivetrain Topic' started by bkmont, Jun 3, 2021.
What application for this primary plate?
The 5882 was used on 1969 HOLLEY LIST 4295 CAMARO CROSS RAM 2X4.
to ass to COPO great info, this Holley primary metering block could be worth $$ to a collector or owner of an OEM cross ram setup.
Kill bleed, Emulsion & IFR location and PVCR's looks to be along the regular Holley specs, just like a primary 1850 or 4776/7 metering block.
Thanks guys for the info. This block was on a list 4555 along with the 6333 4555. So, two primaries on the carb. Why would someone do that? Any benefits?
Most likely scraping together what they had without spending any money to make the car run is my guess.
They would do that to have a functional rear power valve & PVCR's, and most of all, 4 corner idle capability if the mod's are done to the base plate, so, a few benefits, win-win actually.
Non idle mixture screw rear metering blocks had power valves on Holley vac sec carbs. But if you went with a 3310-2 the secondaries just had a plate to cut Holley costs down. I’d rather adjust a 2 idle mix screws metering block on the prim instead of making a 4 corner adjustment by using a prim metering block on the rear. If I’m polluting a bit, who cares.
Yup, agree with you on that COPO, but setup right, one does not pollute more than the other, the 4 corner just allows a larger window in more serious engine applications, but the 2 corner can take you far.
I'll just keep looking for a correct secondary block for the 4555.
You want a 4519.