rt142 independent rear = ra65/sa63 celica

[Mattrt142]

I have an rt142 corona and i want suspension for it but whiteline dont have any listings so i was wondering how similar is the ra65 to the rt142. 100%???

[sam-131]

i was have this conversation at work today with my boss after trying to order bushings for a commodore if you have'nt got a wrx or silvia whiteline is usless and pricey try k mac there got the largest range and there pretty cheap but thats for bushings and swaybars but if your after springs and shocks theres many ways to go about it

[CrUZida]

AFAIK the RT142 IRS setup is identical to the RA65 setup, althought maybe some RT142's had disc rears?

The SA63 uses a T-series diff, but the bushes should all the same.

Also have a look at Kings/SuperPro when it comes to suspension.

[wilbo666]

I'm pretty sure that the RT142 had solid rear disks; I believe they are otherwise the same as RA65. Also nolathane for bushes.

Cheers
Wilbo

[RONA]

I'm pretty sure that the RT142 had solid rear disks; I believe they are otherwise the same as RA65. Also nolathane for bushes.

Cheers
Wilbo

Pretty sure almost every IRS RT142 had 4 wheel discs, the ones with drums ie me have the Live rear axle setup. Get some KYB shocks, springs either kings dobinsons etc or custom through king to whatever rate/height you want.

Whiteline won't actually make anything bar maybe swaybars for them. They don't produce anything for them interms of shcoks springs etc.

Thus they'd just be ordering in dobinson springs and KYB shocks anyway with markup. They don't like doing this anymore as they are just too busy with selling there own packages. For kyb look at some of the auto one stores in Campeblltown and minto, they regularly have 30% off the kyb shocks.

I have dobinson standard height Heavy duty springs all round, KYB rear shocks and monroe GT gas upfront.Not the best setup but definately a shitload better than stock.

[Mattrt142]

i rang a few different places and noone has listings for kyb shocks for the rt142. Originally i had planned to chop the stock springs and replace the shocks. that is why i was wondering if they ra65 had the same setup so at least i could look for shocks under that number

[Mattrt142]

Also would ma61 struts bolt up???

[CrUZida]

For the front? No, you'll need RA6x struts.

[RONA]

i rang a few different places and noone has listings for kyb shocks for the rt142. Originally i had planned to chop the stock springs and replace the shocks. that is why i was wondering if they ra65 had the same setup so at least i could look for shocks under that number

Koni denies having shocks for the MA61 yet it is also clearly listed in the same catalogue.

Toyota CoronaCresidaCelicaSupra Rr
Code: #Y343042
Price: AU$91.27 (Australian Dollars)
NOTE: Australian deliveries must add 10% GST
thats the rear for you cos you have IRS

For the fronts just use RA6X struts and get whatever shocks you want for them.

Whatever you do don't chop the springs I'll personally come and kick your arse if you do. They are so fucking cheap cutting corners (literally) is just stupid.

[3t-RA40]

i rang a few different places and noone has listings for kyb shocks for the rt142. Originally i had planned to chop the stock springs and replace the shocks. that is why i was wondering if they ra65 had the same setup so at least i could look for shocks under that number

Whatever you do don't chop the springs I'll personally come and kick your arse if you do. They are so fucking cheap cutting corners (literally) is just stupid.

Don't cut your springs or I'll help 7MA61 kick your ass.
Ring this bloke, Troy - Bowers Sup, Newcastle - 49693911 he will help you out. Tell him you got his name from this forum from me Neil, aka 3t-RA40. He can post/freight anywhere what your after.

I'm pretty sure that the RT142 had solid rear disks;

I have bits of RT142 IRS sitting in my shed and yes they are solid rear disc with internal handbrake.

[sam-131]

if your after bang for buck falcon springs choped with diff oil in the shocks or commodore shocks is what i am running but i've got a live rear could'nt be to diffrent

or you could go down the road of coilovers s13-s15 coilovers are cheap and pleantiful should'nt be to hard to set up

[Dom-AE71]

whats the point of getting ra65 struts when the brakes will bolt straigh up.

[Mattrt142]

so what about if i just buy shorter harder springs would it bounce heaps due to the lack of shock power

[sam-131]

yep you got it corona std shocks have the pooest rebound rate even monroe's are like a foam

remeber the spring may be heavy/harder (ie high in the spring rate) but it's only as good as the shocks that are a companing it

for shocks just run down to the local pick and pocket and check out some of the larger cars ie live diff commodres,toronas thats just of the top of my head but yeh thats the best bang for buck solution

[brett_celicacoupe]

just curious as to whether anyone has bolted RT142 rear disks onto a RA65.

also, what parts specifically are required... trailing arm, handbrake cable???...

rep for the person who gives the answer

[CrUZida]

Stefan should know this.

[Stefan]

Stefan should know this.

Yup, I do.

I bought an RT142 rear disc conversion for my RA65 (I bought these then bought an Ma61 parts car... grr). It consists of RT142 rear disc swingarms, handbrake cables & brake bias valve (Brett, you will need the bias valve, this wasn't on your list). Haven't installed yet but it should be all that is needed - as far as I can tell, the swingarms are identical to MA61 apart from being solid discs rather than vented. Not sure if calipers are different between solid & vented discs, haven't checked.

Mookie's GA65 had had a solid rear disc conversion done when he bought it, and IIRC he was told it was from a Corona, which may be further confirmation for you.

Hope this helps! I would comapre the Ma61 rear end I have to the RT142 one for you, but I'm not near my car right now.

Oh yeah... I installed some rear KYB Super Special externally-adjustables a month ago and they rock Setting 2 of 4 seems well matched to my King lows, and is a massive improvement over the under-damping Monroe GTs. Can't wait for the matching front pair of KYBs to arrive from Japan....

[brett_celicacoupe]

awesome!!!

thanks alot for the prompt reply

rep for you

[brett_celicacoupe]

also...do the half shafts go straight on? length the same etc?

[Stefan]

No problem

I don't know if the T-series (RT142) & F-series (Ra65/MA61) half shafts are the same length... I suspect that they aren't (someone else would know for sure). However, I see no reason you can't just use the RA65 ones.