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440 6pack metering plates
#2559663
10/05/18 09:51 PM
10/05/18 09:51 PM
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Joined: Jan 2003
Posts: 1,908 Nebraska
4406bbl
OP
top fuel
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OP
top fuel
Joined: Jan 2003
Posts: 1,908
Nebraska
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Looking in the Holley catalog it shows a #34 front plate to have .029 idle hole, .052 main hole, and #35 to have .029 idle and .071 main. I have 4 #34 and 6 # 35 plates here and the 34 has.036 idle, about .090 mains, #35 has .036 idle and .089 .095 mains, all are undrilled as you can see reamed holes with plating, I take it modern plates will no longer work, or catalog misprint. Common sense tells me a .052 will not feed a 1-3/4 bbl, so what is correct for stock.
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Re: 440 6pack metering plates
[Re: 4406bbl]
#2563815
10/14/18 12:28 PM
10/14/18 12:28 PM
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Joined: Jan 2003
Posts: 9,436 Blair County,PA
62maxwgn
master
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master
Joined: Jan 2003
Posts: 9,436
Blair County,PA
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All big block 70 up used the 34/35 plate,all small block used a 41 front and rear,69 1/2 used 6178 front,6180 rear.Don't remember the mmo on the 69 1/2 plates,don't have time to check but they are different.Also,"if" I remember correctly,the 69 1/2 front and rear throttle plates have no hole.
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