Manual Valve Body in a TH350????? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

mark25 · 04-07-2002, 11:38 AM

thanks to everyone for the replies on the ratchet shifter post!! when putting a manual valve body in a turbo 350, this makes it like a manual shift tranny right???? deletes vaccum modulator????

REPO1 · 04-07-2002, 12:02 PM

If you install a manual valve body, you have to shift every gear, EVERY TIME! You can't just leave it in drive and start out. When you come to a stop, you have to shift it to 1st, 2nd, 3rd. If you don't and leave it in drive (3rd) and start out, you will cook the tranny in a short period of time.

If this is a street driven truck, I wouldn't recommend it. Manual valve bodies are for racing.

Reid

------------------
Sylvan Lake, Alberta, Canada

1970 Chevy C20 Custom Camper
402BB Turbo 400 trans.
A/C, P/S, manual brakes.
75,800 Original Miles!!
'71 Camaro SS 402/T400 resto
'97 Z28 -- Runs 11.5 @ 118mph.

04-07-2002, 11:38 AM	#1
mark25 Registered User Join Date: Feb 2000 Location: Vassar,Ks 66543 Posts: 375	Manual Valve Body in a TH350????? thanks to everyone for the replies on the ratchet shifter post!! when putting a manual valve body in a turbo 350, this makes it like a manual shift tranny right???? deletes vaccum modulator???? __________________ '72 C-10 Cheyenne Super, 402/TH400, Bucket Seats, tilt, tach, AM/FM & shoulder harnesses and a ground up restoration

04-07-2002, 12:02 PM	#2
REPO1 Shortbox wanna-be. Join Date: Mar 2002 Location: Fort St.John, British Columbia, Canada Posts: 773	If you install a manual valve body, you have to shift every gear, EVERY TIME! You can't just leave it in drive and start out. When you come to a stop, you have to shift it to 1st, 2nd, 3rd. If you don't and leave it in drive (3rd) and start out, you will cook the tranny in a short period of time. If this is a street driven truck, I wouldn't recommend it. Manual valve bodies are for racing. Reid ------------------ Sylvan Lake, Alberta, Canada 1970 Chevy C20 Custom Camper 402BB Turbo 400 trans. A/C, P/S, manual brakes. 75,800 Original Miles!! '71 Camaro SS 402/T400 resto '97 Z28 -- Runs 11.5 @ 118mph. __________________ 1970 Chevy C20 Custom Camper 402BB Turbo 400 trans. (Slowly becoming a '70 shortbox 1/2 ton) '71 Camaro SS 402/T400 resto '97 Z28 (11.41@127MPH)

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