k31th less WHY; more WOT Site Developer 28,958 Member For: 16y 7m 9d Gender: Male Location: Melbourne Posted 02/06/21 01:44 AM Share Posted 02/06/21 01:44 AM good job both of ya for diagnosing it Link to comment Share on other sites More sharing options...
Bazza11 Member 53 Member For: 3y 8m 25d Posted 02/06/21 03:07 AM Author Share Posted 02/06/21 03:07 AM Yeah my car is still overboosting hitting 10psi, on a stock tune, is that due to the mods I’ve done and is that bad? Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,958 Member For: 16y 7m 9d Gender: Male Location: Melbourne Posted 02/06/21 03:27 AM Share Posted 02/06/21 03:27 AM yes, you shouldn't run a stock tune with mods that change fuel flow or exhaust flow characteristics... some air-flow characteristics can be changed. Link to comment Share on other sites More sharing options...
Bazza11 Member 53 Member For: 3y 8m 25d Posted 02/06/21 03:42 AM Author Share Posted 02/06/21 03:42 AM Oh okay, I just asked my mechanic about changing my valve springs and he said it will cost 2000-2500 for the install. But I’ve read every else people say 600-700 for labour and about 400 for the springs. If anyone could help with advice would be helpful And thanks for the advice from before Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,958 Member For: 16y 7m 9d Gender: Male Location: Melbourne Posted 02/06/21 04:15 AM Share Posted 02/06/21 04:15 AM that's a ridiculous price... buy the valve springs and retainers and get a cheaper mechanic to quote you for the labour. Link to comment Share on other sites More sharing options...
Bazza11 Member 53 Member For: 3y 8m 25d Posted 02/06/21 04:16 AM Author Share Posted 02/06/21 04:16 AM He’s saying it’s so expensive because he needs to take off the head What would be a reasonable price about 600-700 for labour and 400 for the valve springs? Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,958 Member For: 16y 7m 9d Gender: Male Location: Melbourne Posted 02/06/21 04:20 AM Share Posted 02/06/21 04:20 AM tell him he's wrong, as you don't need to remove the head to change the valve springs... yeah, that's a fairly average price, 800-1400 depending on labour rates and the purchase price of the valve springs. Link to comment Share on other sites More sharing options...
Bazza11 Member 53 Member For: 3y 8m 25d Posted 02/06/21 04:29 AM Author Share Posted 02/06/21 04:29 AM Okay thank you for the help, I guess I’ll get some more quotes and no go through with my mechanic And how do you remove the valve springs and install new ones without removing the head? Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,958 Member For: 16y 7m 9d Gender: Male Location: Melbourne Posted 02/06/21 04:44 AM Share Posted 02/06/21 04:44 AM you use a tool that holds the valves in place via a pressure connection that goes into the spark plug hole that pushes against the valves falling into the cylinders... this same tool is usually used to also compress the springs to get the retainers out and put the new springs and retainers without having to stuff about too much with clamps or something else equally dodgy haha Link to comment Share on other sites More sharing options...
Bazza11 Member 53 Member For: 3y 8m 25d Posted 02/06/21 04:48 AM Author Share Posted 02/06/21 04:48 AM Oh okay I get it now, is this process safe? Link to comment Share on other sites More sharing options...
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