[HOW TO] remove struts, AGX mr2, rear strut conversion

Suspension and other discussion

Postby timmey » Sat Nov 28, 2009 2:20 am

How is it the AGX struts for the front of a lighter, front wheel drive car good to use on all 4 corners of our much heavier, AWD car?

That doesn't make sense to me, but if it does, I'm so doing this conversion!

Timmey
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Postby tw2 » Sat Nov 28, 2009 3:00 am

mr2 is rear wheel drive which obviously makes your arguement even more substantial. The answer is the fact that they are very harsh inserts. mr2 guys find them quite uncomfortable for street duty. They are about right on setting 1 or 2 for the alltrac but are still very hard on 3 or 4. I am happy with mine.
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Postby timmey » Sat Nov 28, 2009 3:23 am

REAR wheel drive, yes, that's what I meant to say.

That makes sense. I guess as long as you use st185 springs it's all good. I'm not looking for too stiff of a ride either. I DD my car and just want a less-blown soft suspension replacement with a little drop. Nothing bone jaring.

Thanks for the info!

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Postby tw2 » Sat Nov 28, 2009 3:38 am

Its not bone jaring but even on the softest setting it is harder than most newish oem cars. Koni's are the best option for comfort and performance but obviously cost a lot more.
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Postby timmey » Sat Nov 28, 2009 3:42 am

Very cool.

Yeah - I saw that 935 has a set of Koni's with some of the rear work done already. Expensive is by far the majority of the feedback I hear for Koni Yellows, but I don't think they're nearly as bad as I expected. Still cheaper than coilovers, I suppose.

What did you use for the new stops and replacement pieces? I think you mentioned they are not OEM. Do you have the make or part numbers, by chance?

Cheers!

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Postby tw2 » Sat Nov 28, 2009 5:10 am

Bump stops and dust covers? I just went to my local suspension parts shop, they just measured the old bump stop and gave me the closest universal pieces that would do the job. They don't have to be exactly the same as OEM as long as they fit snug on the shaft. No idea what make or anything.
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Postby 6strngs » Sun Dec 20, 2009 12:38 am

where do you get the threaded tops to be welded on to the struts?
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Postby tw2 » Sun Dec 20, 2009 5:52 am

You can get front suspension ones from wrecked celica's ie gt's gtr's gts's etc and cut them off or I just had them made from scratch using a lathe.
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Re:

Postby tubasteve » Sat Jun 05, 2010 2:51 pm

tw2 wrote:mr2 is rear wheel drive which obviously makes your arguement even more substantial. The answer is the fact that they are very harsh inserts. mr2 guys find them quite uncomfortable for street duty. They are about right on setting 1 or 2 for the alltrac but are still very hard on 3 or 4. I am happy with mine.


after getting in a pissing match with a friend about that this says to use the fronts, is it cause the rears are much stiffer themslves? are the length and diamter the same otherwise? what is different? i did agree with him, but being almost fan boy of this site, i swore yall were right but i have no amo...i dont mind a gokart type feel, did ikf for 5 years.
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Re: [HOW TO] remove struts, AGX mr2, rear strut conversion

Postby tw2 » Sun Jun 06, 2010 1:43 am

From what I remember, the rear mr2 inserts are a very different shape and will not fit in our housings. I have not yet had mr2 suspension in pieces to see for myself.
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Re: [HOW TO] remove struts, AGX mr2, rear strut conversion

Postby monkninja » Fri Feb 18, 2011 5:19 am

Amazing write up! Makes me very excited to do mine! Thank you for taking the time to make this for everyone!


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Re: [HOW TO] remove struts, AGX mr2, rear strut conversion

Postby tw2 » Fri Feb 18, 2011 6:31 am

No problem. There are not many bolt on upgrades for our car or at least not for a reasonable price so these sorts of projects are great. Much more exciting than simply bolting some coilovers on.
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Re: [HOW TO] remove struts, AGX mr2, rear strut conversion

Postby johndgt4 » Fri Feb 18, 2011 8:23 am

You guys should check out the MR2 inserts from Gaz in the UK. Very nicely made units. Very similar to Koni in that they are rebound adjustable only and IIRC will custom set the compression damping to your specified spring rate.

They used to be about £85 UKP per unit so very reasonable.

I was going to upgrade my AGX conversion, on my old 185, with them but ended up selling them on and now I have Bilsteins on my 205 with 14kg/mm f 7 kg/mm r springs which surprisingly (or not as Swift springs with Bilstein dampers) absorb ruts/potholes no problem!

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Re: [HOW TO] remove struts, AGX mr2, rear strut conversion

Postby pmr2 » Mon Mar 31, 2014 4:50 am

lucky for you guys i own an sw20 with agx struts all around. i can tell you it is a stiff ride but i like it. i also own a ra65 and i know those guys use the mr2 agx REAR inserts for their FRONT coilover conversions. the idea behind it is the mr2 is a mid engine making those sturts valved for engine weight plus the frame body panels ect. so put them where the engine is. Also it would almost make sense to me to use the mr2 rears for the front of a st165. same engine, nearly the same trans, probably close to the same front clip weight. now for the REAR of the st165 using the sw20 FRONT agx makes sense. imo the sw20 agx is a little on the stiff side so it should ride ok on 1 and take the weight of the st165 alright. im sure the rear of an st165 is more than an sw20, but imo shouldnt mess with the valving too much. of course this is assuming the sw20 rear inserts would fit. i might go grab my old sw20 rear inserts and throw some measurements up for you guys if i can find the time.
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Re: [HOW TO] remove struts, AGX mr2, rear strut conversion

Postby Killtodie » Thu Apr 24, 2014 4:03 am

Any reason why 4 fronts are used, and not 4 rear, as the rear struts would be more applicable from an MR2
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