mdm200 New Member 5 Member For: 10y 6m 7d Gender: Male Posted 19/10/15 10:37 AM Share Posted 19/10/15 10:37 AM Hey all sorry if this has been answered before but I did a search and nothing popped up, so I've had my fg for a while now and I've finally got it booked in for mods.Im getting xforce exhaust, nizpro cooler and piping, 1150cc injectors, cool air intake and a fuel pump. My question is with these mods will I require new valve springs? Im going to ask for a safe tune but if ttheresa high risk I would rather save for the springs aswell as im guessing they would be a pricey install.Thanks in advance for your advice! Link to comment Share on other sites More sharing options...
discostig Manual mode ________________________ All day, erryday Donating Members 13,798 Member For: 17y 3d Gender: Male Location: Probably above atmospheric pressure Posted 19/10/15 12:23 PM Share Posted 19/10/15 12:23 PM That's a decent list so yeah you might, depending on what state your current ones are in. Pretty hit and miss, but they all get softer as kms increase, so budget for it (about a grand usually). Link to comment Share on other sites More sharing options...
mdm200 New Member 5 Member For: 10y 6m 7d Gender: Male Posted 19/10/15 09:10 PM Author Share Posted 19/10/15 09:10 PM Sorry I should have mentioned my car is currently at 70,000kms Link to comment Share on other sites More sharing options...
Mark.G New Member 3 Member For: 11y 11m 14d Posted 20/10/15 12:05 AM Share Posted 20/10/15 12:05 AM I did a similar mod list to yours at about 40,000kms and I didn't do the valve springs or the spark plugs.....three weeks later the car wouldnt get past 4000rpm because the valve springs were piss weak. Save yourself the trouble and get it all done together because eventually you will have to replace the springs anyway. Do the spark plugs too. Link to comment Share on other sites More sharing options...
mdm200 New Member 5 Member For: 10y 6m 7d Gender: Male Posted 20/10/15 01:44 AM Author Share Posted 20/10/15 01:44 AM Awesome thanks for the advice looks like ill go ahead with it. Link to comment Share on other sites More sharing options...
PTR_NITRO_FG Donating Members 3,214 Member For: 11y 6m 2d Gender: Male Location: NOR Perth Posted 20/10/15 03:37 AM Share Posted 20/10/15 03:37 AM I did a similar mod list to yours at about 40,000kms and I didn't do the valve springs or the spark plugs.....three weeks later the car wouldnt get past 4000rpm because the valve springs were piss weak. How much power and boost did you make? Link to comment Share on other sites More sharing options...
Mark.G New Member 3 Member For: 11y 11m 14d Posted 20/10/15 04:26 AM Share Posted 20/10/15 04:26 AM How much power and boost did you make? At that stage I had 306 at the wheels and was running 17psi up to about 4k rpm down to 12psi in the high revs. Link to comment Share on other sites More sharing options...
PTR_NITRO_FG Donating Members 3,214 Member For: 11y 6m 2d Gender: Male Location: NOR Perth Posted 20/10/15 10:54 AM Share Posted 20/10/15 10:54 AM Interesting....seems a little low for that much boost plus it has a full zorst?Well I dont really know much, but I will be factoring in the $1200 for valve springs; if tuner says its farked during tuning (my cars got 135,000kms).As Steve said....sometimes its hit and miss with each car...hopefully you can get away with it for a little while OP Link to comment Share on other sites More sharing options...
gaz097 Bronze Donating Members 1,751 Member For: 13y 4m 6d Posted 20/10/15 03:27 PM Share Posted 20/10/15 03:27 PM 1200? Should be 900 maxSent from my HTC_0PJA10 using Tapatalk Link to comment Share on other sites More sharing options...
PTR_NITRO_FG Donating Members 3,214 Member For: 11y 6m 2d Gender: Male Location: NOR Perth Posted 20/10/15 10:45 PM Share Posted 20/10/15 10:45 PM WA = more expensive lol It may have been $1100....can't recall cause I asked a while ago Link to comment Share on other sites More sharing options...
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