Quote:
cheater_5 wrote:
a really good mate of mine has a 150 in his 145 housing (kb110) and when i asked him weather he used a 2mm spacer, he told me it wasnt neccesary, use two gaskets if you want etc etc.
I guess you only really know by doing.
The transverse centerline of the H150 differential is [allegdly] 2.5mm further back from the mounting flange than the H145 is.
Now that's not a lot & there is enough movement in even a new wheel bearing to allow the axles to engage the drive splines in the side gears without binding [apparently]
So it all fits & works, but in reality, the rear wheels now have a tiny amount of toe-in & the bearing balls are not running true in their races, so it would be fair to say that tyre wear would be increased by a small amount & the service life of the axle bearings would [theoretically] be decreased.
Does this tiny amount of toe-in affect the way the car drives & handles?
I don't know, ...... what I do know is that those who think twice & act once will either add the spacer, or leave it out for reasons that they can quantify, not because I, or anybody else, said so.
Alloy is easier to cut & does the same job as steel, & the second gasket [one each side of a spacer] is .5mm thick [I measured one] & the combination of the spacer & gasket gives you the 2.5mm.
I plan to use a spacer when I fit my H160 diff into my KB10 rear axle housing because I have great faith in Datsun engineers.
They modified the H150 rear axle housing design to move that gasket face forward & this would have cost the company time, effort, & money, .... & they don't do these things unless they believe it was necessary. These clever little men would know far more about these things than I ever will, so if it's good enough for them .........................
Well, that's the best excuse I can think of.
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