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We have a 1991 Gulfstream Sunclipper. The factory transmission is a 3 speed bolted to a Chevy 454. I'd like to switch to a 4 speed. Is there an automatic 4 speed out there heavy enough to handle the weight of a motor home that will bolt to a chevy 454? If anyone has one in their RV please let me know which model it is!
Transmioncenter.net may have what you need, compushift by HGM Electronics. This will let you put a 4L80E, GM's best overdrive truck trans, into your RV. They also build the trans you may want to consider using