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Holley 4160 emissions spec

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My $80 EvilBay Holley has thrown up a bit of a surprise on dismantling. It's a reverse-idle type with extra air-bleeds drilled into the bore. The idle ports up under the main body, primary side, have brass plugs inserted, so the only fuel it gets at idle is through the transfer slot. This doesn't sound right to me. The idle discharge hole gets nothing. Do these carbys take a different throttle plate from normal? Anybody dealt with this carby before?

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Never mind, I went ahead and carved a channel in the base plate between the idle and transfer ports. Looks like my carby's made up of mongrel bits anyway, I'll see how it runs.

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Gotta love ebay suprises! Just finished installing what were supposed to be King Spring lows, checked the box part number when i got them, all good.

After dropping the car down looks like they are Ultra lows, bugger.

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