Pennock's Fiero Forum
  Technical Discussion & Questions - Archive
  B&M Megashifter

T H I S   I S   A N   A R C H I V E D   T O P I C
  

Email This Page to Someone! | Printable Version


B&M Megashifter by Kekipi
Started on: 09-24-2004 03:31 PM
Replies: 12
Last post by: Kekipi on 09-25-2004 06:03 PM
Kekipi
Member
Posts: 1832
From: Kapaa, HI
Registered: Apr 2004


Feedback score: N/A
Leave feedback





Total ratings: 65
Rate this member

Report this Post09-24-2004 03:31 PM Click Here to See the Profile for KekipiSend a Private Message to KekipiDirect Link to This Post
I Need help. In my 3300-4T60 swap, on my 86 SE, I tried an aftermarket shifter with an 8 foot cable that does Not want to work. I mounted the Shifter cable bracket to the trany and it's hard to put in any gear. I have the cable wrapped around the stero console. Does anybody have any Ideas? Mike was a 5 speed by the way.
IP: Logged
PFF
System Bot
Songman
Member
Posts: 12496
From: Nashville, TN
Registered: Aug 2000


Feedback score: (4)
Leave feedback





Total ratings: 309
Rate this member

Report this Post09-24-2004 03:36 PM Click Here to See the Profile for SongmanSend a Private Message to SongmanDirect Link to This Post
Fiero shifters work backwards from other shifters. You need to figure out some way to reverse it. I've always wanted to mount a B&M automatic shifter in a Fiero but the problem is the same.

------------------

Fiero-Performance.com

IP: Logged
tesmith66
Member
Posts: 7355
From: Jerseyville, IL
Registered: Sep 2001


Feedback score: (3)
Leave feedback





Total ratings: 135
Rate this member

Report this Post09-24-2004 03:55 PM Click Here to See the Profile for tesmith66Send a Private Message to tesmith66Direct Link to This Post
Contact B&M and get a longer cable. Sounds like you have it looped to tight.

------------------
1986 SE 350 V8

IP: Logged
Kekipi
Member
Posts: 1832
From: Kapaa, HI
Registered: Apr 2004


Feedback score: N/A
Leave feedback





Total ratings: 65
Rate this member

Report this Post09-24-2004 04:20 PM Click Here to See the Profile for KekipiSend a Private Message to KekipiDirect Link to This Post
8 ft cable, 11 in. loop.
IP: Logged
jstricker
Member
Posts: 12956
From: Russell, KS USA
Registered: Apr 2002


Feedback score:    (11)
Leave feedback





Total ratings: 370
Rate this member

Report this Post09-24-2004 04:44 PM Click Here to See the Profile for jstrickerSend a Private Message to jstrickerDirect Link to This Post
To mount a conventional, aftermarket shifter in a Fiero and make it work properly is not a simple task. I spent a couple evenings on the computer with a CAD program figuring angles and lengths to finally get the Auto Stick mounted in the race car. Even at that, I can't get it adjusted to go into park and still make it into low. I can have one, or the other, but not both.

The problem with mine is the geometry of the shifter bracket in relationship to the arm. Since this is on the race car, park is not a big deal so I'm not going to try to "fix" it.

If you want to do it, just be aware it's going to take a lot of trial and error to make it work.

John Stricker


IP: Logged
Kekipi
Member
Posts: 1832
From: Kapaa, HI
Registered: Apr 2004


Feedback score: N/A
Leave feedback





Total ratings: 65
Rate this member

Report this Post09-25-2004 12:54 AM Click Here to See the Profile for KekipiSend a Private Message to KekipiDirect Link to This Post
I all ready have over $200.00 in this shifter plus countless Hours. Is the brackeet in the third picture of a stock
fiero with a 4t60 trans?
IP: Logged
Kekipi
Member
Posts: 1832
From: Kapaa, HI
Registered: Apr 2004


Feedback score: N/A
Leave feedback





Total ratings: 65
Rate this member

Report this Post09-25-2004 12:56 AM Click Here to See the Profile for KekipiSend a Private Message to KekipiDirect Link to This Post

Kekipi

1832 posts
Member since Apr 2004
I saw a picture of a B&M on a Fiero once, Can't find it.
IP: Logged
gt88norm
Member
Posts: 804
From: Tacoma WA
Registered: Jul 2003


Feedback score: N/A
Leave feedback

Rate this member

Report this Post09-25-2004 12:59 AM Click Here to See the Profile for gt88normSend a Private Message to gt88normDirect Link to This Post
Bell-crank? .... They can be used to reverse pull & thrust directions as well as change the ratio of movement, used 'em in R/C cars all the time to make the servos do what we wanted them to do.


Norm

[This message has been edited by gt88norm (edited 09-25-2004).]

IP: Logged
Kekipi
Member
Posts: 1832
From: Kapaa, HI
Registered: Apr 2004


Feedback score: N/A
Leave feedback





Total ratings: 65
Rate this member

Report this Post09-25-2004 01:06 AM Click Here to See the Profile for KekipiSend a Private Message to KekipiDirect Link to This Post
How's a feller supposed to do that. Sounds like you are up to something there.
IP: Logged
jstricker
Member
Posts: 12956
From: Russell, KS USA
Registered: Apr 2002


Feedback score:    (11)
Leave feedback





Total ratings: 370
Rate this member

Report this Post09-25-2004 01:29 AM Click Here to See the Profile for jstrickerSend a Private Message to jstrickerDirect Link to This Post
No, it's on a TH125C. The cable bracket, shift arm, and shifter ALL have to be modified. You have to move the cable on the shifter to a rear attachment (see the pic) and the geometry of where the bracket is mounted is critical if you ever hope to get all 6 detents at the same points the ratchet shifter gets IT's detents. The aluminum bracket is an adapter that moves the mount to a different location and raises it a little bit.

John Stricker

 
quote
Originally posted by Kekipi:

I all ready have over $200.00 in this shifter plus countless Hours. Is the brackeet in the third picture of a stock
fiero with a 4t60 trans?

IP: Logged
Kekipi
Member
Posts: 1832
From: Kapaa, HI
Registered: Apr 2004


Feedback score: N/A
Leave feedback





Total ratings: 65
Rate this member

Report this Post09-25-2004 02:31 AM Click Here to See the Profile for KekipiSend a Private Message to KekipiDirect Link to This Post
 
quote
Originally posted by gt88norm:

Bell-crank? .... They can be used to reverse pull & thrust directions as well as change the ratio of movement, used 'em in R/C cars all the time to make the servos do what we wanted them to do.


Norm

Ah... I just got it, clutch peddle.

IP: Logged
PFF
System Bot
jstricker
Member
Posts: 12956
From: Russell, KS USA
Registered: Apr 2002


Feedback score:    (11)
Leave feedback





Total ratings: 370
Rate this member

Report this Post09-25-2004 02:53 AM Click Here to See the Profile for jstrickerSend a Private Message to jstrickerDirect Link to This Post
Norm,

I actually mocked up a couple of bell cranks when I did mine. The problem is the angles between the various detents on the TH125C and the ones on the RWD Longitud. transmissions is not the same. Some are close, but not the same. It would almost take a variable rate bellcrank or something exotic like that. No matter how I plotted the throws, none of them came out precise, but some were very close. A bellcrank would, however, probably come as close as mine did in the end.

John Stricker

 
quote
Originally posted by gt88norm:

Bell-crank? .... They can be used to reverse pull & thrust directions as well as change the ratio of movement, used 'em in R/C cars all the time to make the servos do what we wanted them to do.


Norm

IP: Logged
Kekipi
Member
Posts: 1832
From: Kapaa, HI
Registered: Apr 2004


Feedback score: N/A
Leave feedback





Total ratings: 65
Rate this member

Report this Post09-25-2004 06:03 PM Click Here to See the Profile for KekipiSend a Private Message to KekipiDirect Link to This Post
Well, anyone have a stock Auto shifter for sale.
IP: Logged



All times are ET (US)

T H I S   I S   A N   A R C H I V E D   T O P I C
  

Contact Us | Back To Main Page

Advertizing on PFF | Fiero Parts Vendors
PFF Merchandise | Fiero Gallery
Real-Time Chat | Fiero Related Auctions on eBay



Copyright (c) 1999, C. Pennock