i have a 327/350hp in a 84 s10 its configured with a quicksiver b&m rachet shifter now i met the guy who put the trans in the truck and he told me it could be mad a 4 speed and had a pump or something diconected on it cause when its in drive its only in third gear. no i want to know if there is any truth to this because i want a 4th gear and i dont want to lose this trans because of its strength its built and shifts hard and if theres something i can do so i wont lose this trans i want to do it ive heard bad things about 700r4s

 

There is no way to make a 350 into a 4 speed. Perhaps he was talking about swapping in a 700?

 

The only thing I've seen to give a TH-350 a forth gear, is a transfer type box that bolts up to the tail housing. Very pricey !!! I think you can accualy get it to act as if it has 6 gears, since I think you can lower the output at any gear.

Ron




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'82 Trans Am
'81 Camaro Z-28
'94 Vette LT1 Coupe

 

maybe he's thinking about a TH-350C (the one with the lockup converter?). I've seen people confuse the TC lockup for another gear before.

 

ho would i make it have 6 gears and how much would that cost am i better to look to trade my th350 for a built 700r4??? i really want the overdrive

 

does anyone know anyone that would want to trade?

 

The overdrive unit mentioned is from Gear Vendors in El Cajon, CA, and runs about $2500. I seriously doubt it would fit in a 3rd gen without major modification to the tunnel.

I also doubt you'll find anyone who would swap a TH350 for a TH700, but you can try posting such a proposition on the classifieds on this board.

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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. 2-1/2" cat-back, ZZ3 intake, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 CC system w/'87 LB9 block, ZZ3 cam, ported World 305 heads, Hooker 2055 headers, 3" Catco cat & 3" catback, restalled TC, Spohn SFCs).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).