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500 and 525 EFI Vacuum at Idle

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500 and 525 EFI Vacuum at Idle

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500 and 525 EFI Vacuum at Idle

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Old

07-19-2013 | 03:37 AM

#1

lkmcon

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500 and 525 EFI Vacuum at Idle

Can someone tell how much vacuum stock 500 efi and 525 efi should have at idle.

Lars

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07-19-2013 | 09:40 AM

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bsboss

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Its going to vary with altitude, I think mine 525 was between 14 - 16". But it will be jumping around do to camshaft.

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07-19-2013 | 04:49 PM

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lkmcon

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Thanks!

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