Metering plate/block??? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

67chevemall · 12-06-2004, 04:54 PM

Whats the difference between a secondary metering plate
And a secondary metering block!!??

Any pics?
Just trying to get my carb going, but ordering renew kits for the 4150/4160
Holleys is driving me nuts!

Fits Holley model 4160 carb, 3310, square flange Holley with primary metering block and secondary metering plate.

cableguy0 · 12-06-2004, 05:02 PM

the metering plate has to be drilled to go up in jet sizes and the metering block you can change jets out with normal jets plus the metering plate in the back wont have a power valve and the metering block will. personally i like the metering block better much easier to change jets

69ChevyLB · 12-06-2004, 08:58 PM

If it's a 3310-1 which is a 780 CFM you need the 37-1084 renew kit, otherwise the 3310-2 or -3 or -4 which are 750CFM take the 37-754 kit.

Peregrine · 12-07-2004, 12:20 AM

Plates were used to car manufactures could put high performance carbs on cars cheaper. If I remember right, they usually had blocks on the primaries and plates on the secondaries. I got that info out of a 30 year old book though. Not like Holley changes much though....

67chevemall · 12-07-2004, 11:37 AM

Yes it seems the cheaper 4160 has a plate on the sec. and the
4150 and 4500 have metering blocks on the primary and sec.

Thanks I'm going to use the metering blocks so I can change the jets!

Now I need the renew kit for a 4150
Jegs and Summit want $80 USD!

12-06-2004, 04:54 PM	#1
67chevemall Registered User Join Date: Apr 2003 Location: NB Posts: 3,367	Metering plate/block??? Whats the difference between a secondary metering plate And a secondary metering block!!?? Any pics? Just trying to get my carb going, but ordering renew kits for the 4150/4160 Holleys is driving me nuts! Fits Holley model 4160 carb, 3310, square flange Holley with primary metering block and secondary metering plate. __________________ 1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD

12-06-2004, 05:02 PM	#2
cableguy0 Senior Member Join Date: Apr 2000 Location: Delta,Pa Posts: 14,950	the metering plate has to be drilled to go up in jet sizes and the metering block you can change jets out with normal jets plus the metering plate in the back wont have a power valve and the metering block will. personally i like the metering block better much easier to change jets __________________ Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member.

12-06-2004, 08:58 PM	#3
69ChevyLB Active Member Join Date: Aug 2004 Location: Canton, OH Posts: 249	If it's a 3310-1 which is a 780 CFM you need the 37-1084 renew kit, otherwise the 3310-2 or -3 or -4 which are 750CFM take the 37-754 kit. __________________ 69 C10 LWB Project 47 Cushman Scooter Project It is better to have loved and lost than to live with a psycho all your life.

12-07-2004, 12:20 AM	#4
Peregrine Registered User Join Date: Sep 2004 Location: Louisville, Ky Posts: 329	Plates were used to car manufactures could put high performance carbs on cars cheaper. If I remember right, they usually had blocks on the primaries and plates on the secondaries. I got that info out of a 30 year old book though. Not like Holley changes much though.... __________________ Brian 72 C10 longbed 350/th400 Let the world change you and you will change the world.

12-07-2004, 11:37 AM	#5
67chevemall Registered User Join Date: Apr 2003 Location: NB Posts: 3,367	Yes it seems the cheaper 4160 has a plate on the sec. and the 4150 and 4500 have metering blocks on the primary and sec. Thanks I'm going to use the metering blocks so I can change the jets! Now I need the renew kit for a 4150 Jegs and Summit want $80 USD!



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