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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: Apr 2005 Posts: 2,097 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,097 | The 2004R is the same length as the 350/Powerglide but I think the mount is somewhat different.
Also 700R4 is the commonly refered to designation but 87-92 transmissions are really a 4L60 which became a 4L60E in 93. The 4L60 can be identified by a large "rainbow" casting mark on the bellhousing part of the case. As mentioned earlier they are stronger than the early units.
Fred
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
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