1973-1984 cab floor clutch rod hole size - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**BIGJAKE97** · 02-10-2023, 02:02 AM

I put a 1978 4x4 automatic cab on a 1978 4x4 frame with a sm465. I found the 3 dimples in the floor where the 1973-1984 clutch rod goes through the cab floor. I know the clutch rod goes through the middle dimple and the two outer dimples are for the little bolts that hold the clutch rod boot, but can someone please tell me what size the center hole that the clutch rod goes through is suppose to be? Thank you

**mongocanfly** · 02-10-2023, 03:33 AM

Heres a old thread that has some info in it.
If no one gets you a answer I'll measure mine in a day or so
http://67-72chevytrucks.com/vboard/s...ghlight=Clutch

**BIGJAKE97** · 02-10-2023, 06:17 PM

yeah, i know where the hole is suppose to be, middle dimple, just not sure of the size of the hole. Thanks

**mongocanfly** · 02-10-2023, 06:47 PM

Do you have the boot that goes on the clutch rod?

**BIGJAKE97** · 02-11-2023, 01:11 AM

No, I do not. And I know they are hard to find.

44th Miss Inf · 02-16-2023, 04:37 PM

Bigjake, just went to measure my 76 cab for you, but it is too rotted around the hole to get a measurement. Sorry

**BIGJAKE97** · 02-16-2023, 11:46 PM

Thanks for the time spent trying to measure it for me

**57NAPCO** · 02-17-2023, 08:22 AM

Yesterday we put the SM465 and NP203 back in my 74 K20….what a pain in the arse doing it on the floor.

I’ll see if I can get a picture for ya

**57NAPCO** · 02-18-2023, 10:58 AM

v30crewcab · 02-18-2023, 05:43 PM

I measured on cab I had, it was 1 3/4 hole, but not sure it was a factory hole. the boot looks like it will easily cover a 2" hole.

02-10-2023, 02:02 AM	#1
BIGJAKE97 Senior Member Join Date: May 2005 Location: hayward, ca Posts: 264	1973-1984 cab floor clutch rod hole size I put a 1978 4x4 automatic cab on a 1978 4x4 frame with a sm465. I found the 3 dimples in the floor where the 1973-1984 clutch rod goes through the cab floor. I know the clutch rod goes through the middle dimple and the two outer dimples are for the little bolts that hold the clutch rod boot, but can someone please tell me what size the center hole that the clutch rod goes through is suppose to be? Thank you __________________ 67 short fleet 71 blazer 4x4 72 blazer 2wd 76 gmc sierra 3/4t 4x4 62 bel air 01 blazer extreme member 11,943!

02-10-2023, 03:33 AM	#2
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,608	Re: 1973-1984 cab floor clutch rod hole size Heres a old thread that has some info in it. If no one gets you a answer I'll measure mine in a day or so http://67-72chevytrucks.com/vboard/s...ghlight=Clutch __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver

02-10-2023, 06:17 PM	#3
BIGJAKE97 Senior Member Join Date: May 2005 Location: hayward, ca Posts: 264	Re: 1973-1984 cab floor clutch rod hole size yeah, i know where the hole is suppose to be, middle dimple, just not sure of the size of the hole. Thanks Attached Images __________________ 67 short fleet 71 blazer 4x4 72 blazer 2wd 76 gmc sierra 3/4t 4x4 62 bel air 01 blazer extreme member 11,943!

02-10-2023, 06:47 PM	#4
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,608	Re: 1973-1984 cab floor clutch rod hole size Do you have the boot that goes on the clutch rod? __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver

02-11-2023, 01:11 AM	#5
BIGJAKE97 Senior Member Join Date: May 2005 Location: hayward, ca Posts: 264	Re: 1973-1984 cab floor clutch rod hole size No, I do not. And I know they are hard to find. __________________ 67 short fleet 71 blazer 4x4 72 blazer 2wd 76 gmc sierra 3/4t 4x4 62 bel air 01 blazer extreme member 11,943!

02-16-2023, 04:37 PM	#6
44th Miss Inf Registered User Join Date: Sep 2002 Location: Liberty, Mississippi Posts: 671	Re: 1973-1984 cab floor clutch rod hole size Bigjake, just went to measure my 76 cab for you, but it is too rotted around the hole to get a measurement. Sorry

02-16-2023, 11:46 PM	#7
BIGJAKE97 Senior Member Join Date: May 2005 Location: hayward, ca Posts: 264	Re: 1973-1984 cab floor clutch rod hole size Thanks for the time spent trying to measure it for me __________________ 67 short fleet 71 blazer 4x4 72 blazer 2wd 76 gmc sierra 3/4t 4x4 62 bel air 01 blazer extreme member 11,943!

02-17-2023, 08:22 AM	#8
57NAPCO F’B’D guy Join Date: Feb 2004 Location: Texas/Maine Posts: 2,217	Re: 1973-1984 cab floor clutch rod hole size Yesterday we put the SM465 and NP203 back in my 74 K20….what a pain in the arse doing it on the floor. I’ll see if I can get a picture for ya

02-18-2023, 10:58 AM	#9
57NAPCO F’B’D guy Join Date: Feb 2004 Location: Texas/Maine Posts: 2,217	Re: 1973-1984 cab floor clutch rod hole size Last edited by 57NAPCO; 02-18-2023 at 11:00 PM.

02-18-2023, 05:43 PM	#10
v30crewcab Registered User Join Date: Apr 2012 Location: Chatt Tn Posts: 962	Re: 1973-1984 cab floor clutch rod hole size I measured on cab I had, it was 1 3/4 hole, but not sure it was a factory hole. the boot looks like it will easily cover a 2" hole. __________________ 88 military v30 crewcab shortbed 5.9 cummins, nv4500, 205 86 k30, 89 diesel burb, 76 gmc pathfinder 71 longbed 5.3 4l80 http://67-72chevytrucks.com/vboard/s...d.php?t=522535



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