den001 Posted January 22, 2008 Share Posted January 22, 2008 (edited) hi, i am building a headache of a car which is going along nicely and about 70% complete... i have a s15 and ditched pretty much all the running gear and gone for a mix of parts from all different nissan cars. as the majority of you know, there will now be a weight difference and possibly a balance difference in regards to the cars handling... i have no idea what to do in regards to where would i start to modify the suspension. there is a shit load more weight over the front and you could say the same about the ass end but what would be my best options about getting custom coilovers for my car... should i weigh the old items i took out and compare the weights with the items going in and record them???? would this help in selecting the best possible setup for me??? Im sure balance would be affected in this case so what approaches do i have in regards to this??? the car will be used primarily for drag which is no issue as i will use a standard height strut combined with a 90/10 shock for drag racing, im after a nice track setup as i will be hopefully doing a fair bit of track work in it, im not to fussed about stiffness, i can handle the hardness of coil overs on our shitty roads.. all help appreciated.. cheers denis Edited January 22, 2008 by den001 Link to comment https://www.sau.com.au/forums/topic/202694-custom-suspension-setup-needed-for-a-custom-car/ Share on other sites More sharing options...
BHDave Posted January 23, 2008 Share Posted January 23, 2008 Talk to greg at autosport engineering in Kirrawee. He tracks an rb26 powered s15 so will at least be able to point you in the right direction. Link to comment https://www.sau.com.au/forums/topic/202694-custom-suspension-setup-needed-for-a-custom-car/#findComment-3599573 Share on other sites More sharing options...
craked Posted January 23, 2008 Share Posted January 23, 2008 give as a call at A&B motorsports we just finished making 90/10s for coil overs we can also do a custom coil over set up for you at no extra costed call paul 99059523 Link to comment https://www.sau.com.au/forums/topic/202694-custom-suspension-setup-needed-for-a-custom-car/#findComment-3599829 Share on other sites More sharing options...
STATUS Posted January 23, 2008 Share Posted January 23, 2008 piece of piss although dont expect it to ever handle as good as it did with the SR we run a similar setup but now use R34 GTR rear as the geometry is far superior to the r32 GTR Link to comment https://www.sau.com.au/forums/topic/202694-custom-suspension-setup-needed-for-a-custom-car/#findComment-3600118 Share on other sites More sharing options...
den001 Posted January 23, 2008 Author Share Posted January 23, 2008 thanks boys Link to comment https://www.sau.com.au/forums/topic/202694-custom-suspension-setup-needed-for-a-custom-car/#findComment-3600365 Share on other sites More sharing options...
Sydneykid Posted January 24, 2008 Share Posted January 24, 2008 hi, i am building a headache of a car which is going along nicely and about 70% complete... i have a s15 and ditched pretty much all the running gear and gone for a mix of parts from all different nissan cars. as the majority of you know, there will now be a weight difference and possibly a balance difference in regards to the cars handling... i have no idea what to do in regards to where would i start to modify the suspension. there is a shit load more weight over the front and you could say the same about the ass end but what would be my best options about getting custom coilovers for my car... should i weigh the old items i took out and compare the weights with the items going in and record them???? would this help in selecting the best possible setup for me??? Im sure balance would be affected in this case so what approaches do i have in regards to this??? the car will be used primarily for drag which is no issue as i will use a standard height strut combined with a 90/10 shock for drag racing, im after a nice track setup as i will be hopefully doing a fair bit of track work in it, im not to fussed about stiffness, i can handle the hardness of coil overs on our shitty roads.. all help appreciated.. cheers denis Done the suspension on a few RB20/25/26/30 into S13/14/15's, nothing too drastic required. Think about the total weight of the car and then net what % you have added. It is usually very small, around 12% in fact. So going stupid in spring, bar and shock rates is simply not necessary. This is the bit that concerns me; i can handle the hardness of coil overs on our shitty roads. If the "coil overs" are so harsh that you feel very uncomfortable on a normal road, then the car is 99% guarateed to handle badly. Despite what urban myth would have you believe, you can have reasonable ride comfort, good lap times and fast 60 footers all at the same time. Cheers Gary Link to comment https://www.sau.com.au/forums/topic/202694-custom-suspension-setup-needed-for-a-custom-car/#findComment-3600808 Share on other sites More sharing options...
den001 Posted January 24, 2008 Author Share Posted January 24, 2008 thanks for your advise sk. i will look into the suspension you have advised me on.. Link to comment https://www.sau.com.au/forums/topic/202694-custom-suspension-setup-needed-for-a-custom-car/#findComment-3601387 Share on other sites More sharing options...
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