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Technical Question - Steering Lock-to-Lock

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tony barnhill

tony barnhill

Great Pumpkin - R.I.P
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I know the early MGB's had 2.9 turns lock-to-lock & the later rubber ones had 3.5 turns

...but, somewhere in the recesses of my mind I think I've heard that there was a short time when getting a steering rack with 2.4 turns was possible....I've got to of the early racks laying on the floor of my garage....one is 2.9 (just turned it & counted) but the other appears to be less...they both have all the same numbers except 1 place on the housing there are stmped numbers that are different (this is the only rack with the different numbers)

...here's my dumb, technical question: how can I tell if I've got a rack with shorter turning radius?
 
Tony,
try measuring the distance the the tie rod moves with one revolution of the wheel, the more it travels , the quicker the rack.

mark
 
Did that, Mark, & it appears it moves farther on one than the other...
 
Tony

I could be wrong on this but if you have them check the special tuning handbook I'm pretty sure that BMC did a lower geared rack as part of it's tuning kits.

regards
 
DUH!! Thanks, Tom...I've got one of the handbooks out in the garage - didn't even think about it....
 
So, I went out to the garage & made a little measuring wheel I could slide over the steering rack to measure lock-to-lock turns...they're all either 2.9 or 3.5

Doc, would you measure the one I sent you, please?
 
they're that many turns? I'd swear the one in my '76 is less turns than that... I'd reckon the one in my car to be 2.66 turns...
 
[ QUOTE ]
So, I went out to the garage & made a little measuring wheel I could slide over the steering rack to measure lock-to-lock turns...they're all either 2.9 or 3.5

Doc, would you measure the one I sent you, please?

[/ QUOTE ]

As soon as BOB makes it 'round to this side I'll report back.

MMC: 2.9-ish here, stop-to-stop. Same for the one I removed.
 
[ QUOTE ]


...here's my dumb, technical question: how can I tell if I've got a rack with shorter turning radius?

[/ QUOTE ]

You DID mean a lower gear ratio lock-to-lock here, I'll assume /ubbthreads/images/graemlins/wink.gif
 
hehehehehehe
 
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