Reducing front end lift during acceleration
#1
Reducing front end lift during acceleration
After reviewing my videos from Santa Pod I can see that the car dramatically lifts and dives during acceleration and gear changes.
I understand that an anti-lift kit upgrade wont solve this so my next question is what should I be looking to do so I dont look like a nodding dog.
Currently have STI red shocks with STI springs, 22mm/24mm arbs, solid rear links, standard front, standard wishbones, front upper strut brace.
Dont want to spend crazy money on it if I can help it, only thing I can think of that would cause it are tired shocks? I do like how the reds feel on the road so wouldnt want to change to coilovers and have been looking at KYB Ultra SR's as replacements?
If anyone has any tips that dont involve spending 1k+ please let me know
I understand that an anti-lift kit upgrade wont solve this so my next question is what should I be looking to do so I dont look like a nodding dog.
Currently have STI red shocks with STI springs, 22mm/24mm arbs, solid rear links, standard front, standard wishbones, front upper strut brace.
Dont want to spend crazy money on it if I can help it, only thing I can think of that would cause it are tired shocks? I do like how the reds feel on the road so wouldnt want to change to coilovers and have been looking at KYB Ultra SR's as replacements?
If anyone has any tips that dont involve spending 1k+ please let me know
#3
Its more the gearchange dive/lift I want to reduce. I understand it'll lift on launch so didnt expect to be able to totally cure that but it definitely needs to reduce travel mid run.
#5
No thanks, I've tried 2 sets of coilovers on it already and didnt like them on the road.
I'm not going to spend silly money trying to cure this, I can probably justify going for replacement shocks as they'll be money well spent, I was just curious if theres any other tried/tested methods and I'd also like to know if its caused by front end shock travel or rear end being too soft.
As I say, this isnt about launching its reducing movement during gear changes. You'll see what I mean in the video
I'm not going to spend silly money trying to cure this, I can probably justify going for replacement shocks as they'll be money well spent, I was just curious if theres any other tried/tested methods and I'd also like to know if its caused by front end shock travel or rear end being too soft.
As I say, this isnt about launching its reducing movement during gear changes. You'll see what I mean in the video
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#9
Stockish suspension will give you lift like that but will be suitable better on road.
You can't have both.
a 'good' set of coilovers will solve that and be compliant enough on road if you choose the 'proper' coilovers.
You can't have both.
a 'good' set of coilovers will solve that and be compliant enough on road if you choose the 'proper' coilovers.
#10
#13
alternatively you could try hard rubber spring assistors for the rear springs. For my STI shocks/prodrive springs I used Grayston GE15 ones which slid into the spring and removed quite easily. They will limit how much the spring compresses.
My main reason for using them was to give support when towing our caravan and it did firm up the rear. I did use them at the pod with limited success, the problem was I didn't do anything to stop the front coming up. I did look at Grayston spring clamps, GE7, which can be used to compress spring travel, for the fronts at the time but went down the coilover route. You'll find the stuff if you google ebay or amazon.
I still do have the rear inserts if interested.
Trev
My main reason for using them was to give support when towing our caravan and it did firm up the rear. I did use them at the pod with limited success, the problem was I didn't do anything to stop the front coming up. I did look at Grayston spring clamps, GE7, which can be used to compress spring travel, for the fronts at the time but went down the coilover route. You'll find the stuff if you google ebay or amazon.
I still do have the rear inserts if interested.
Trev
#14
Ok, based on the replies I take it coilovers are the weapon of choice.
Question is, has anyone found a set that ride well on the road and have then adjusted them for track? I like the way the car rides at the moment but admit it does roll when cornering hard so I suspect the reds/springs are getting tired.
I can get Bilsteins new for around £1500 trade but would prefer not to have to break the bank.
I'd be interested to know what people are running on a fast road classic and their experiences as long as they arent £300 ebay specials
Question is, has anyone found a set that ride well on the road and have then adjusted them for track? I like the way the car rides at the moment but admit it does roll when cornering hard so I suspect the reds/springs are getting tired.
I can get Bilsteins new for around £1500 trade but would prefer not to have to break the bank.
I'd be interested to know what people are running on a fast road classic and their experiences as long as they arent £300 ebay specials
#15
What about a set of KYB AGX'S. Can be had new for around £500 and can also be adjusted... stiffen them up for strip then soften them for journey home. Add some good quality springs and you're golden.
#16
Any links/suppliers?
#18
#19
Just noticed I haven't got you down on the drag leaderboard 99, do you know your power levels and quickest run stats?
https://www.scoobynet.com/driving-dy...l#post11561790
https://www.scoobynet.com/driving-dy...l#post11561790
#20
http://www.ebay.co.uk/itm/Kayba-AGX-...4AAOxyi3FR3quq
Plus a set of wr15r/t springs + matching bump stops/dust boots = £340 inc delivery.
The performance of your Subaru inverted struts was degrading by 50k. The Subaru inverted struts soft rear bump stop isn't helping - assuming it's still intact?
Plus a set of wr15r/t springs + matching bump stops/dust boots = £340 inc delivery.
The performance of your Subaru inverted struts was degrading by 50k. The Subaru inverted struts soft rear bump stop isn't helping - assuming it's still intact?
#21
Just noticed I haven't got you down on the drag leaderboard 99, do you know your power levels and quickest run stats?
https://www.scoobynet.com/driving-dy...l#post11561790
https://www.scoobynet.com/driving-dy...l#post11561790
418bhp/420 lbft
60ft - 1.89
330ft - 5.12
1/8th - 7.73 @ 94.9
It will go quicker. Grip was very poor off the line and 0.2 slower 60ft than 2 weeks previous on almost every run despite losing around 60kg from the car.
Im confident theres an 11.6 in the car with the right conditions and some tweeks to suspension
#23
Spotted these and they look good value for money
http://www.scoobyparts.com/suspensio...rs-gss12-21ss2
I did say I wouldnt go back to coilovers, mainly for 2 reasons. 1, the price of most are too much for me (bc's are £700+) and 2, I was concerned they wouldnt ride as well as shocks/springs. The teins use stock top mounts by the look of it so wouldnt be like going full on, and with them being new I'd have better chance of em lasting and dialling them in.
I'd be getting a geo setup from Carnetix once fitted, just curious if anyone else is running them.
http://www.scoobyparts.com/suspensio...rs-gss12-21ss2
I did say I wouldnt go back to coilovers, mainly for 2 reasons. 1, the price of most are too much for me (bc's are £700+) and 2, I was concerned they wouldnt ride as well as shocks/springs. The teins use stock top mounts by the look of it so wouldnt be like going full on, and with them being new I'd have better chance of em lasting and dialling them in.
I'd be getting a geo setup from Carnetix once fitted, just curious if anyone else is running them.
#29
#30
Tein a pretty good, there's a few guys on here using the more expensive tein coilovers and rate them highly.
The problems start when they get old and knackered. They become firm and get a bad rap. Usual story is someone buys a car with them fitted. Tein UK will refurb them for circa £50 a corner.
I'm not sure what those cheaper tein coilovers are like though.
The problems start when they get old and knackered. They become firm and get a bad rap. Usual story is someone buys a car with them fitted. Tein UK will refurb them for circa £50 a corner.
I'm not sure what those cheaper tein coilovers are like though.
Last edited by MattyB1983; 06 July 2016 at 02:21 PM.