Corvette C3 Fiero Seat Swap: http://corvettec3.ca/fiero.htm
"Fiero seats are very close to the same dimensions as your C3 seats. The Fiero seats provide more lateral support than the original C3 style. Although the Fiero seats are not direct bolt in replacements, fabricating brackets to accept the original C3 tracks and mounts is a fairly straight forward and simple task ...
Probably the number one reason for choosing Fiero seats is because there is a company called MrMikes Fiero (http://mrmikes.com/corvettes.htm) that makes seat upholstery kits for these seats. Not only does MrMike make kits in all Fiero styles but he also makes them in a style for your C3 Corvette complete with C3 logos. "
"GM changed the design of the seat tracks over the C3 production years. In 1978 the new clam shell seat design was introduced with the Pace Car option and this design became standard in 1979 and continued until the C3 end of run in 1982. Two things remained constant throughout the C3 run and that was the dimensions of the floor anchor bolt pattern and the track to seat bolt pattern.
...
Please note that if your C3 has the clam shell seat design (1978 to 1979) your tracks will be one of two designs. If your tracks have a raised bracket at the front you may wish to remove it so that your Fiero seats will sit flat on the tracks which was the way they were designed. If you choose to leave the bracket there you may find the installed height of your seats to be too high.
...
Using the Fiero tracks requires much more fabrication than using your original C3 tracks. While the Fiero seats are about the same dimension as your original C3 seats, the Fiero seat tracks are mounted closer together and are shorter than your C3 tracks. The simplest solution is to use your original C3 tracks and fabricate four brackets from 1/8" X 2" steel flat stock.
...
Please note that two of the brackets have a 1/4" curved indentation. This is to allow clearance for the C3 seat adjust lever. Put that indentation in your brackets before you drill the holes. The smaller holes (for attaching C3 tracks to brackets) are drilled 17/64" and tapped 8 X 1.25 mm. The larger holes (for attaching seat to brackets) are drilled 21/64". "
Also consider Miata seats in a Corvette: http://mrmikes.com/corvettemiatamikb.htm and https://www.digitalcorvettes.com/threads/my-seat-mod.164240/
C6 Corvette Seats in a C3 Corvette: http://www.shredjesse.com/1968-chevy-corvette/c6-corvette-seats-c3-corvette
This site is for Corvette C3 enthusiasts and has lots of information pertaining to Corvettes built from '68 to '82: http://corvettec3.ca/index.htm
"Fiero seats are very close to the same dimensions as your C3 seats. The Fiero seats provide more lateral support than the original C3 style. Although the Fiero seats are not direct bolt in replacements, fabricating brackets to accept the original C3 tracks and mounts is a fairly straight forward and simple task ...
Probably the number one reason for choosing Fiero seats is because there is a company called MrMikes Fiero (http://mrmikes.com/corvettes.htm) that makes seat upholstery kits for these seats. Not only does MrMike make kits in all Fiero styles but he also makes them in a style for your C3 Corvette complete with C3 logos. "
"GM changed the design of the seat tracks over the C3 production years. In 1978 the new clam shell seat design was introduced with the Pace Car option and this design became standard in 1979 and continued until the C3 end of run in 1982. Two things remained constant throughout the C3 run and that was the dimensions of the floor anchor bolt pattern and the track to seat bolt pattern.
...
Please note that if your C3 has the clam shell seat design (1978 to 1979) your tracks will be one of two designs. If your tracks have a raised bracket at the front you may wish to remove it so that your Fiero seats will sit flat on the tracks which was the way they were designed. If you choose to leave the bracket there you may find the installed height of your seats to be too high.
...
Using the Fiero tracks requires much more fabrication than using your original C3 tracks. While the Fiero seats are about the same dimension as your original C3 seats, the Fiero seat tracks are mounted closer together and are shorter than your C3 tracks. The simplest solution is to use your original C3 tracks and fabricate four brackets from 1/8" X 2" steel flat stock.
...
Please note that two of the brackets have a 1/4" curved indentation. This is to allow clearance for the C3 seat adjust lever. Put that indentation in your brackets before you drill the holes. The smaller holes (for attaching C3 tracks to brackets) are drilled 17/64" and tapped 8 X 1.25 mm. The larger holes (for attaching seat to brackets) are drilled 21/64". "
Also consider Miata seats in a Corvette: http://mrmikes.com/corvettemiatamikb.htm and https://www.digitalcorvettes.com/threads/my-seat-mod.164240/
C6 Corvette Seats in a C3 Corvette: http://www.shredjesse.com/1968-chevy-corvette/c6-corvette-seats-c3-corvette
This site is for Corvette C3 enthusiasts and has lots of information pertaining to Corvettes built from '68 to '82: http://corvettec3.ca/index.htm
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