Author Topic: 69 speedo hole in firewall size?? (Muncie 4 speed)  (Read 803 times)

DT

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69 speedo hole in firewall size?? (Muncie 4 speed)
« on: December 23, 2012, 09:26:05 PM »
Anyone know what the size of the speedometer hole is on the firewall next to the wiper motor on 69 4 speed Muncie applications??
Donny

Ed_B

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Re: 69 speedo hole in firewall size?? (Muncie 4 speed)
« Reply #1 on: December 23, 2012, 09:30:25 PM »
Take a look at UPC 0, sheet A9 in the AIM and you'll see that the RPO M20 hole piercing for 8A is 1"

Ed

DT

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Re: 69 speedo hole in firewall size?? (Muncie 4 speed)
« Reply #2 on: December 23, 2012, 09:36:12 PM »
Thank you very much Ed!!
Donny

DT

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Re: 69 speedo hole in firewall size?? (Muncie 4 speed)
« Reply #3 on: December 30, 2012, 01:18:12 AM »
I'm wondering if I could get away with a 7/8's inch hole?? Anyone??
Donny

Ed_B

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Re: 69 speedo hole in firewall size?? (Muncie 4 speed)
« Reply #4 on: December 30, 2012, 02:00:08 AM »
Not if you're going to install an ORIGINAL STYLE GROMMET. It's a tight fit even at one inch!

Ed

DT

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Re: 69 speedo hole in firewall size?? (Muncie 4 speed)
« Reply #5 on: December 30, 2012, 01:51:35 PM »
OK, thanks once again Ed!!
Donny