xrturbomatty Member 79 Member For: 16y 8m 3d Posted 15/09/08 10:38 AM Share Posted 15/09/08 10:38 AM Hey I have a set of nizpro springs just wondering do I need a set of retainers for them or can u use the original ones Link to comment Share on other sites More sharing options...
XRPete Member 673 Member For: 17y 2m 20d Gender: Male Location: Here Posted 15/09/08 10:40 AM Share Posted 15/09/08 10:40 AM I think they use the original ones. if I'm wrong someone will correct me. Link to comment Share on other sites More sharing options...
jaymen Member 57 Member For: 15y 6m 6d Gender: Male Posted 11/06/09 04:38 AM Share Posted 11/06/09 04:38 AM Hi guys just wondering what Valve springs would you guys recommend.... I have a BF XR6T ZF Auto & would like to crack at least 500rwkw's oneday. Link to comment Share on other sites More sharing options...
Howsee Donating Members 785 Member For: 17y 1m 24d Gender: Male Location: Carindale, Brisbane Posted 11/06/09 12:00 PM Share Posted 11/06/09 12:00 PM The Nizpro ones are what I have had in both my XR6T's, first one was making 315rwkw and the second is 434rwkw. The Nizpro ones are of a very good quality and I believe they are used in Nizpro's 1000hp engine, which is also in BCL's car, which is making around 580rwkw I believe. Someone correct me if I'm wrong.Howsee Link to comment Share on other sites More sharing options...
senna_T Forged Member Lifetime Members 15,818 Member For: 17y 9m 23d Gender: Male Location: SW Sydney Posted 11/06/09 12:05 PM Share Posted 11/06/09 12:05 PM Not sure about the Nizpro springs consistency, mine have started to go soft after 20,000k's... 1 Link to comment Share on other sites More sharing options...
Howsee Donating Members 785 Member For: 17y 1m 24d Gender: Male Location: Carindale, Brisbane Posted 11/06/09 12:13 PM Share Posted 11/06/09 12:13 PM Really Senna, I haven't heard of that before... I personally haven't had any dramas with them as of yet, what sort of mods have you got done and what sort of power? Link to comment Share on other sites More sharing options...
senna_T Forged Member Lifetime Members 15,818 Member For: 17y 9m 23d Gender: Male Location: SW Sydney Posted 11/06/09 12:16 PM Share Posted 11/06/09 12:16 PM Yeah mate, had a couple of blokes on here confirm. I'm running 500rwhp on the stock turbo, big dump, big cooler, built motor etc etc. They will hold 19psi til about 5200rpm then they float. My idle is suffering now too, jumps up and down after stopping... Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 6m 3d Gender: Male Location: @ my laptop Posted 11/06/09 12:21 PM Share Posted 11/06/09 12:21 PM Spoke to Nizpro about the reports of springs going soft 2 weeks ago as I only want to supply quality poducts to my customers, they have sold thousands of springs and have had 1 report of springs being bad, which the owner then had another set supplied.Have the people with the problem ones, spoken to nizpro? Link to comment Share on other sites More sharing options...
senna_T Forged Member Lifetime Members 15,818 Member For: 17y 9m 23d Gender: Male Location: SW Sydney Posted 11/06/09 12:26 PM Share Posted 11/06/09 12:26 PM Not sure if the others have spoken to Nizpro about it, however I know the person you are talking about very well Mick The replacement set came with shims though, so maybe they need the shims to effectively increase the spring rate Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 6m 3d Gender: Male Location: @ my laptop Posted 11/06/09 10:47 PM Share Posted 11/06/09 10:47 PM Cheers mate Link to comment Share on other sites More sharing options...
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