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Topic: B&M shifter kit/auto trans?

in Forum: C3 Driveline Components

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B&M shifter kit/auto trans? (1/5)
10/12/06 11:40am

SFVette
Former Member
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Joined: 3/27/2006
Posts: 380

Has anyone installed B&M's shifter kit in their automatic transmission? If so (especially if yours is/was a TH350), I'd like to know your take on them, please.

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B&M shifter kit/auto trans? (2/5)
10/12/06 12:19pm

chesh
Former Member
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Edgewood, KY - USA

Vette(s):
1981, Black/Black, Engine bumped to about 400HP.Ext/int mostly stock.

Joined: 10/26/2003
Posts: 339

I installed the Transgo kit for my THM350C tranny (C is for lockup converter, used on '81s) and had the transmission rebuilt. The shift is MUCH faster and firmer. Before all this, it was pretty slow and mushy. Of course, I can't say how much was due to the shift kit and how much was due to the rebuild. One other thing... everyone around here gave me the advise that, if I wanted a more spirited transmission, I should take out the modulator valve, remove the spring behind it, then reinstall it. I believe the claim is that it will upshift a little later and more firmly. I haven't done it yet. If interested, the modulator valve is at the tail-end of the tranny, I believe on the passenger side, and has a hard steel vacuum line coming into it from the intake manifold. The steel line connects to the modulator valve with a very short length of rubber tubing.

B&M shifter kit/auto trans? (3/5)
10/12/06 6:54pm

Adams' Apple

Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 20210

Well now...I ain't no ekspurt, but I have been known to do one er two of these "Shiftin Kits"...I prefer the products from Superior. Way mo easier to install, and...they work! Check out THIS THREAD from earlier...
btw...my o-pen-yon on B&M?

waste-o-money

click on box for link, then click on other box for info.

Adams' Apple2006-10-12 18:58:52

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Joel Adams
C3VR Lifetime Member #56
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(click for Texas-sized view!) NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"

B&M shifter kit/auto trans? (4/5)
10/16/06 6:00pm

VTHokie77Vette
Former Member
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Pennsville, NJ - USA

Vette(s):
1977 EX-L48

Joined: 3/13/2002
Posts: 532

I installed a B&M shift kit in my '77 when I was running the TH350 a few years ago. I thought it was pretty sweet. Really firmed up the shifts and it was easy to get it to chirp the tires. Pretty easy to install too.

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1977 Corvette EX-L48
383 Stroker, Holley MPFI, MSD Ignition, BTO 700R4, VBP Street/Slalom, Hooker Sidepipes with JCL Spiral Baffles, Corbeau A4s w/ Shark Bar and Simpson 5-Points, 17" AR TTII's, Kumho MX's

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B&M shifter kit/auto trans? (5/5)
12/8/06 8:25pm

81Corvette

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Seabeck, WA - USA

Vette(s):
1981 Red T-Top 450hp / 383ci 3-Speed Auto 63000 12.5 sec 1/4

Joined: 3/18/2006
Posts: 179

Would there be a disadvantage to using this one, (Below), on the street? That, along with the 2200 stall TC is my next adventure.

A high performance version of this 350 kit is offered (K350-HP) for street rods and racing only. The high performance valve body kit allows manual low up shifting at any speed, as well as automatic, plus giving super positive performance.

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