Pinion, cut n turn Q

[bustanutley]

Ian since you are not SR you will not have a problem with the DS binding, it should be a none issue especially with that huge DS you are going to have, so it comes down to your decision: more clearance, or match joint angles. One is more work than the other

 

[Mark W]

I've done at least 2 dozen FJ40 SOA conversion without cutting and turning the front axles. Done a few with a C&T too.

If you increase the front driveshaft legnth by abut 3 inches (or more of course) you do not need a cut and turn on an non-SR setup unless you are using some really tall lift springs in addition to your SOA.


Mark...

 

[Ullr]

so it comes down to your decision: more clearance, or match joint angles. One is more work than the other

I reached the same conclusion, any thoughts which is the best way to go? Clearance is always good, but so is a nice DS.

What would 'nutley do?

Hey don't forget you have a whole stick or so of HREW here. You don't have to move it, its still stored with my tubing, just wanted to remind you.

 

[Ullr]

I've done at least 2 dozen FJ40 SOA conversion without cutting and turning the front axles. Done a few with a C&T too.

If you increase the front driveshaft legnth by abut 3 inches (or more of course) you do not need a cut and turn on an non-SR setup unless you are using some really tall lift springs in addition to your SOA.


Mark...

Thats great info.

 

[bustanutley]

I would most likly be lazy and run it, but I will reinforce that you will not notice driveline vibs from the front and you can always run a cv. Yeah I know that stick is over there, I don't have plans for it yet, so it sits My cruiser should be moving again this weekend

 

[Tapage]

If you increase the front driveshaft legnth by abut 3 inches (or more of course) you do not need a cut and turn on an non-SR setup unless you are using some really tall lift springs in addition to your SOA...

15º is the max angle for simple u-joint in DS .. ?

Toy CV comes in 35ª and 45ª .. O I thought if you are in 15ª - 20ª range why not .. I keep for years my single u-joint setup in my front DS with SR and 2.5" OMES maybe it means 4" of lift ..

But I thought with SO you must gain with flat springs 6" at least .. or not ..

 

[Eskimo]

15º is the max angle for simple u-joint in DS .. ?

Toy CV comes in 35ª and 45ª .. .

mini truck single joint is 42°
Toy CV's, either early minitruck, or IFS clearanced, are 30°

 

[Tapage]

mini truck single joint is 42°
Toy CV's, either early minitruck, or IFS clearanced, are 30°

you mean .. more angle with single joint than a CV join . ? like this one ..

 

[Mark W]

Yep, generally a single ujoint will give you more deflection than a double carden.


Mark...

 

[2badfjs]

single joint rear mini on the front of my SOA 60.....no c&t

sorry i did'nt have what you were after last night ian
at least we got the chunk of steel notch'd

meyebad

 

[Trollhole]

Is this with the castor set at +4 degrees on the front to allow for better turning with bigger tires?

 

[Tapage]

Yep, generally a single ujoint will give you more deflection than a double carden.


Mark...

first notice .. I always thinking in double cardan for more angle ..

 

[Ullr]

single joint rear mini on the front of my SOA 60.....no c&t

sorry i did'nt have what you were after last night ian
at least we got the chunk of steel notch'd

meyebad

No worries, appreciate the offer. It was good to see the notcher in action as I am thinking of buying one, and the notch you did for me means I am ready to start building the anti wrap bar. Thanks

 

[Ullr]

Is this with the castor set at +4 degrees on the front to allow for better turning with bigger tires?

Yes.

I think I am going to run it without a c&t. I am not trying to avoid a c&t, I have spared no expense or effort on this build trying to make it right. Its becuase of the trade off.

Clearance is always good, thats why I am doing the SOA in the first place. However, if I rotate the pinion up to increase clearance I am actually setting the pinion at the wrong angle in relation to the t-case. Yes I could use a double cardan, but from a purely mechanical point of view my pinion angle is (right now) correct, my caster is +4 degrees so its correct, and I can use a u-joint drive shaft just like the original (only longer and with more travel). With Mark W pointing out that he has done a similar arangement I feel confident, he's forgotten more about cruisers than I'll ever know.

I have not tacked the front perches yet, I am waiting till I finish the rear axle to allow myslf as much time as possible to see if there is anything I have not thought of yet.

 

[Tapage]

You gonna keep paralel lines in t-case front output flange and front pinion flange ... I thought.

 

[Ullr]

You gonna keep paralel lines in t-case front output flange and front pinion flange ... I thought.

Yes, exactly.