General Motors transmissions
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*[http://www.teufert.net/trans/speedo-gears.htm Speedometer gear usage chart] | *[http://www.teufert.net/trans/speedo-gears.htm Speedometer gear usage chart] | ||
| − | == | + | ==Fastener threads== |
LX engine tranny to block bolts are metric: M10 x 1.5. | LX engine tranny to block bolts are metric: M10 x 1.5. | ||
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| + | Using SAE bolts on a GM transmission mount after about 1978 will strip the mount threads. GM converted to metric mount bolts about 1978 even though most of the rest of the transmission bolts did not change until the TH700R4 and TH4L80/E came out. | ||
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| + | TH350 and TH400 transmission mount, speedometer, and solenoid bolts went metric about 1978. All other bolts were SAE to the end of production. | ||
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| + | TH200C, TH2004R, TH700R4, and later transmissions used metric fasteners. | ||
==Resources== | ==Resources== | ||
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