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Holley Six Pack Diff Between #4374 and #4375 Centers? #1309054 09/22/12 10:33 PM 09/22/12 10:33 PM
Joined: Mar 2004 Posts: 2,963 Wisconsin Stewpar OP master
Stewpar OP master Joined: Mar 2004 Posts: 2,963 Wisconsin	I know that the #4374 was for N95 CA emissions, but what did that add or take away from the #4375? Thanks in advance for any input! Admiration For Multiple Carburetor Vehicles...

Re: Holley Six Pack Diff Between #4374 and #4375 Centers? [Re: Stewpar] #1309055 09/22/12 11:58 PM 09/22/12 11:58 PM
Joined: Jan 2003 Posts: 17,517 Las Vegas, NV 6bblgt I Live Here
6bblgt I Live Here Joined: Jan 2003 Posts: 17,517 Las Vegas, NV	The N95 carb has a bowl vent, other differences ?? 7390885-n95vs.jpg (211 downloads)

Re: Holley Six Pack Diff Between #4374 and #4375 Centers? [Re: Stewpar] #1309056 09/23/12 12:22 AM 09/23/12 12:22 AM
Joined: Dec 2007 Posts: 18,157 Mass DAYCLONA I Live Here
DAYCLONA I Live Here Joined: Dec 2007 Posts: 18,157 Mass	4375 is for a manual application, the 4374 is Auto, and unlike the 340 centers (4791/92) the 440 centers have the same CFM rating Last edited by DAYCLONA; 09/23/12 12:29 AM.

Re: Holley Six Pack Diff Between #4374 and #4375 Centers? [Re: DAYCLONA] #1309057 09/23/12 12:35 AM 09/23/12 12:35 AM
Joined: Jan 2003 Posts: 17,517 Las Vegas, NV 6bblgt I Live Here
6bblgt I Live Here Joined: Jan 2003 Posts: 17,517 Las Vegas, NV	Quote: 4375 is for a manual application, the 4374 is Auto, and unlike the 340 centers (4791/92) the 440 centers have the same CFM rating R4144 = '70 440 auto N95 R4374 = '70 440 4-spd N95 R4375 = '70 440 4-spd R4376 = '70 440 auto

Re: Holley Six Pack Diff Between #4374 and #4375 Centers? [Re: 6bblgt] #1309058 09/23/12 10:23 AM 09/23/12 10:23 AM
Joined: Mar 2004 Posts: 2,963 Wisconsin Stewpar OP master
Stewpar OP master Joined: Mar 2004 Posts: 2,963 Wisconsin	Quote: The N95 carb has a bowl vent, other differences ?? Thanks Dan! Admiration For Multiple Carburetor Vehicles...

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