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Spring and shocker options
I'm looking at options for springs and shocks for my Harrison. I know there are several threads on various shock/spring questions but I couldn't find many in reference to the Harrison.
Has anyone used QA1 coilovers from the States? They look impressive in the brochure :LOL: but I'm interested to hear how they perform, are they well supported locally, are they easily serviced, etc? I'm waiting on exact pricing but a retailer of AVO and QA1 in Sydney said they're in the same ballpark for single adjustable units. So far the recommended AVOs come in at around $1300 for the four, with springs at around $400. Any other suggestions? The Harrison is designed for 15" and 16" extended height shocks for front and rear respectively. Spring rates are suggested at 350/250lbs front/rear. Many thanks, Paul |
Hi Sambo, I have QA1's (proma stars) on mine. They bounce up and down and dont rust - and thats about all I can tell about their performance at this stage. Im pretty sure Bernie has these on his too. Careful with the lengths as From memory they go from 10-14" (open\ closed) to 11.5-17", which may not be compatable with your specified lengths. I got mine from a mob in the US - I think about $800 delivered, but with the dollar should be better then that now.
Cheers. http://www.clubcobra.com/photopost/d...6221_1_4_1.JPG |
Peter Ransom had near new shocks on his GT40 at the nationals and a rear one failed, I'm sure they were QA1's. Might be just bad luck, bad considering the amount of Cobra's & GT40's that are fitted with AVO's, haven't heard of an AVO failing. The only downside of AVO's is that they fit cheap steel on steel spherical joints which don't last that long. Should be Teflon lined. Not a problem if you use bushed shocks, which I expect most people do.
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Tenrocca - that looks the business!
Yeah Warwick said to go with spherical joints on the back and nolathane in the front, maybe because they wear faster on the front? Apparently the supplier of AVOs out of the UK are difficult to deal with - anyway according to one retailer I spoke to. I'm guessing the AUD is doing better against the USD than the pound, so QA1s might be better value out of the States. Keep the recommendations coming guys... ;) |
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Thanks Craig. Where did you source those teflon lined replacements?
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I got the QA1's mainly as I could get an alloy body shock a lot less then I could buy the steel AVO's. They do take a slightly smaller spring - I think its 63mm (2.5") as opposed to AVO's which take a 65mm ID. Sambo - you would nearly be the record holder for the most number of posts pre-delivery of your car. You have it bad my son, there is no cure. :3DSMILE: |
Yeah sorry to annoy everyone with all the questions. Once she arrives there's only so many spare hours to work on it and I want to be productive!
And it arrives tomorrow or Thursday... :) |
Questions are what drives this board, and everyone learns - no need to apologise. :)
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Harrison is a good build tho......if you're lost just call Warwick. Warwick's the sort of fella that if he hasn't heard from you he starts to worry. :) |
I was typing up the exact same question. I have looked at QA1 and Billstein (which seems to be popular in the USA) also AFCO is another. I keep coming back to how important (and difficult) it is to set up the suspension properly and Warwick has alot of experience with AVOs and King Springs. My current thinking is to stay with his recommendations and therefore help when I need it.
Bruce |
Yeah true that. I know Warwick's approachable but I don't want to be pulling him away from the 'real' work all the time, when maybe someone here has already done it... or done it differently or perhaps even better. So many ways to skin a cat as they say. Plus I sit on a computer at work all day and it's easier to pass this off as work, as opposed to being on the phone!
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I wonder if anyone has used anything other than AVO's on Harrisons. Up here we are certainly deep AVO country, don't know anyone that have used QA1's, although you would expect to find someone by now.
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Just to re-inforce my love of pommy stuff like Jag diffs etc., I'm using SPAX. :p
Doesn't help you at all does it. :LOL: :LOL: |
Hafco and qa1 are the same parent company - my springs are actually branded "QA1\HAFCO"....
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What to do.
As Andrew has said we have had an AVO go on us, well actually we have had them all rebuilt and the bearings replaced.
I have done some home work on what to do with these and have spoken to some of you guys on the phone about this issue. For springs I recomend Eibach springs, very good quality and not much more than King springs. Shocks are a real dilema, the AVOs or QA1s are the best value shock arround they do the job nicely but in my experience they do not last long and when I had them rebuilt one was buggered and the others were working at very different rates. Koni make a shock that would be the ideal, http://www.koni.com/index.php?id=160 However here is the dilema, they are $900.00ea:eek: :CRY: :mad: They are double adjustable etc etc. The people who have them love them however I cannot justify this expense as it is only been 6 months since I started checking tyre pressures when we have a run on the track, never mind double adjustable shocks. Phil |
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Oh, you meant Hafco. My bad. :) Rebel1, nothing wrong with Spax in my book either. ;) |
Phil, how many kms before they had to be rebuilt? Do you think it was a QC issue or are they generally going to wear out quicker than other brands?
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Craig, I love the Spax.....only one thing wrong with them.....very special sized springs.....like 57mm. :CRY:
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It is a hard life.
Sambo,
They have probably done about 8000kms. I was a bit disappointed but the positive is that they are fully rebuildable. Shock reco do a full rebuild for about $80.00 each, that is new seals clean etc. One of the valve bodys were buggered and only beause I had a spare shock I was able to make 4 good ones out of 5. I had actually bent a shaft and had to replace it with a whole new shock. Phil |
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