1932 ford pick up - Page 3
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  1. #21
    Official RnS Addict Nobler's Avatar
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    anyone have one of these licking around?????????????????????????

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  4. #23
    Official RnS Addict Nobler's Avatar
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    1975 - 1994 Chevrolet P-Series Chassis Manual Steering Model - 2inch input shaft
    1980 - 1987 Dodge Pick-up Truck 100-300 and Ramcharger With Manual Steering and 2in Input Shaft
    1980 - 1983 Plymouth Trailduster MANUAL STEERING and 2in INPUT SHAFT

    also 1971 1972 ford mustang steering box


    thaks

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  6. #24
    Official RnS Addict Nobler's Avatar
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    so this is the plan
    the first pic is a Skookum reversed/mirrored image of the poriginal
    how the pic read now is what I am aiming for...............
    IF THAT WAS a Saginaw 525 truck steering box fitted rhd 'stock' - if you turn the input clock wise, looking AT THE SECTOR SHAFT WITH YOUR HEAD LAYING ON THE FLOOR
    it will turn anti clockwise ! SO LOOKING FROM ABOVE !! it will turn clockwise
    SO incorrectly as tou turn the steering wheel right, the pitman goes left in cross steer.
    SKOOKUM, because, IF you look at the box as picturded, the input is left - sector right, so its the same layout as millions of STOCK Saginaw 525 steering boxes
    =GROOVY
    so basically the ball screw and nut on a stock Saginaw 525 'not a truck one' has a righty tighty ball screw and nut -
    Saginaw 525's have a 1 1/8th inch sector and a 3/4'' input ball screw shaft.
    there are 3 rations of BALL SCREW - I.E. the steering gearbox ratio is DETERMINED by the PITCH 'or tpi' of the BALL SCREW.... and its specific ball-nut
    so , you can get the common or gardinier saggy 525 in 16:1 plus 20:1 plus I think 24:1
    SUPER SCOOKUM
    the input shaft lengths are normally 3.5'' - dodge trucks are 2'' BUT they have a LEFTY LOOSEY ball screw me thinks

    any plops, you can get a right handed 16:1 ratio screw and nut from borgeson and they sell them with an inch long stub fully threaded without the hour glass bit for a rag joint pinch bolt
    PHEW

    ---------------------------
    so, vega steering boxes - the rhd ones are left threadsed, the sector shafts are an inch spline, the inputs 5/8ths.
    ----------------------------

    now the GROOVY bit
    AS pictured, the input shaft will come inboard 4 inches..................... the line of sight down the column looks good.
    you go under the headers - not around
    miss the engine mount leg
    may be tight starter / exhaust
    the pitman arm due to the quicker ratio can not be shorter, go from say 6.5 inches to 5 - so the box moves forwards 1.5 inches, which is how much longer a 525 is over a vega
    input to sector centre
    thepitmann arm is not 4 inches over to the right, so the drag link is now 4 inches longer - plus for bump steer.
    you have to run a hairpin though as the arm will swing out under the frame rail.

    -----

    or, take the input from the chevy truck box lefty 3/4 - fit it to a 71 mustang box get myself a rhd dj postal Saginaw 525, but in an oem ford 1971 casting.
    have the shaft machined shorter

    OR

    respline the vega box I have 9/16 as a 5/8ths joint is too sloppy

  7. #25
    Official RnS Addict Nobler's Avatar
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    BITS WANTED - BIT I HAVE TO TRADE OR EXCHANGE FOR BITS WANTED BITS
    ----------------------------------------------------------------------------------------

    NEW SHORT MR ROADSTER SBC CRANK PULAYE AND TOP PULLEY WITH A USED ALLOY PUMP
    need a 302 timing cover and an aluminium water pump to fit that, but a 65 ish one with the bottom inlet facing to the right or chevy side

    IMG_20161229_124712_zps89yhdkrd.jpg Photo by pantswagen | Photobucket

    chevy bell house 10.5 4 5/8 spigot
    swapsies for a t5 ford rtemec case and lid - need the tail housing bolts and lid bolts though

  8. #26
    Official RnS Addict Nobler's Avatar
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    most important.
    spindle stops, the spindles must hit the spindle stop / domed nuts before the steering box ball nut comes to the end of the travel of the ball screw, or you will wreck the ball nut
    in effect you will be smashing a ba;ll bearing into the end of the thread - like you smashed your cnc machjine ball nut setting it up.. ho hum

    you need to measure the distanc the steering arm needs to travel from the stop to direct ahead.

    ratio of steering box AND HOW it corrolates with pitmann arm length, regards leverage as a force

    so knowing what distance you need your steering arms to travel, go through each of the 3 available ratios

    16
    20
    24
    to one - and if you like DIAL it in - -360 degrees divided by 20 is 18 degrees
    1 rotation of steering wheel gives me 18 degrees of movement, if you WANT two turns from dead ahead to spindle stop lock
    that's 36 degrees so with a 5 inch or 125mm long arm, what distance does that give me-?

    similarily 24:1 one spin = 15 degrees = 30 degrees
    16 to :1 - 22.5 gegrees 2 spins = 45 degrees

    sort it out

  9. #27
    Official RnS Addict Nobler's Avatar
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    this si why you are changing to the asginaw box, as there are at least 3 available ratios, and the 1 .1/8 sector shaft is available in loads of differing lengths
    vega -rhd 1 ratio few lengths

  10. #28
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    german8rcoupe is offline
    Yeah but Vega....bolt on....drive it like millions of others have done for decades.

  11. #29
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    Hello
    measured my steering arm travel requirements - 60mm hits the spindle stop, I can get a further 5mm making 65mm, inside wheel
    then is at 45 degrees - castor 5 degrees

    so....
    - pitmann atm length 5'' 125mm


    16 to one one and a bit turns



    20 to 1 one and some more turns


    24 to 1 TWO and a smidge turns

    you can see the first dot left on the arc is one turn, second do it where you want to be

  12. #30
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    nobody is offline
    Nobs mate.

    You do seam to over complicate everything.whatever you build has been done befor and all the info is out tyere for the parts you need.

    Pick up the phone.ring the parts company.order correct part.fit to car.simples.

    You may run out of life otherwise befor you get this project completed
    Rod/custom/drag build profiles:
    Mini | Pop | Porker | Trike | Morris 8

    | 48 chevy coupe | ford f100 | tube chassis,d pop

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