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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jul 2013 Posts: 863 Shop Shark | | Shop Shark Joined: Jul 2013 Posts: 863 | Got my new floor mat for my 1949 Chevrolet 3100 1/2 ton from JC truck parts. This mat is universal for both 3 speeds and 4 speed transmissions. What is the best way to cut the hole for the 4 speed transmission? Anyone have a template or original measurements to cut the hole accurately? Suggestions?
Tim
"Pay attention to the details! It ALWAYS pays off."
1949 Chevrolet 3100 Series 1/2 ton Pickup
1964 Chevrolet C10 (Ol' Yella) (SOLD)
1958 Chevrolet Biscayne 2 door (SOLD)
1970 VW Beetle
| | | | | Joined: Feb 2008 Posts: 1,124 'Bolter | | 'Bolter Joined: Feb 2008 Posts: 1,124 | I had to make a template using taped together paper grocery bags for my '37. It took a bit of trial and error, and of course time. But, I finally got it and a huge grin on this old wrinkled gray bearded mug when it was done. Hope this helps and good luck! | | | | | Joined: Sep 2006 Posts: 3,596 'Bolter | | 'Bolter Joined: Sep 2006 Posts: 3,596 | Most of the AD mats have very faint markings to aid in this work, is the one from JC not configured that way? | | | | | Joined: Jul 2013 Posts: 863 Shop Shark | | Shop Shark Joined: Jul 2013 Posts: 863 | Brad,
Thanks for the response and question. I don't see any faint markings on the mat from JC. If they are there, my old eyes can't make them out....a magnifying glass didn't help either, so I'm guess the JC mats aren't marked. Got any suggestions for measuring and cutting that 4 seed hole accurately?
Tim
"Pay attention to the details! It ALWAYS pays off."
1949 Chevrolet 3100 Series 1/2 ton Pickup
1964 Chevrolet C10 (Ol' Yella) (SOLD)
1958 Chevrolet Biscayne 2 door (SOLD)
1970 VW Beetle
| | | | | Joined: Apr 2005 Posts: 7,441 Bolter | | Bolter Joined: Apr 2005 Posts: 7,441 | Fold it up door to door and place it in the spot you want, Unfold down (or up) to the shifter and use your marker to mark the location of the hole. Cut a small X and unfold the carpet. Place the hole over the shifter and smooth the carpet into place. Use your razor to finish trimming the hole to your desired specifications. Good luck.
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
“I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line"! Hug a cop!
USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)
| | | | | Joined: Mar 2010 Posts: 10,310 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,310 | How hard is it to remove the shifter arm from the transmission? If that's do-able, you could lay out the carpet and cut your hole where the shifter arm used to be. You should be able to feel it.
Carl
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Mar 2010 Posts: 93 'Bolter | | 'Bolter Joined: Mar 2010 Posts: 93 | I used cardboard as a template with pretty good luck.
1949 Chevy 4400 216
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