arronm Dropping a turd Gold Donating Members 9,520 Member For: 17y 5m 25d Gender: Male Location: Perth Posted 28/03/14 10:53 AM Share Posted 28/03/14 10:53 AM Spring pressure needs to be proportional to boost pressure Excessive lobe pressure can lead to this Link to comment https://www.fordxr6turbo.com/forum/topic/84134-crow-valve-springs/page/3/#findComment-1462540 Share on other sites More sharing options...
Vevapower Waiting for the 1st N/A 12! Donating Members 2,533 Member For: 17y 2m 10d Gender: Male Location: Sydney Posted 28/03/14 11:36 AM Share Posted 28/03/14 11:36 AM We are going well over 25psi. 1 Link to comment https://www.fordxr6turbo.com/forum/topic/84134-crow-valve-springs/page/3/#findComment-1462548 Share on other sites More sharing options...
Bomber Carnage on the Garage Floor Donating Members 3,994 Member For: 14y 11m 10d Gender: Male Location: Gold Coast Posted 29/03/14 03:48 AM Share Posted 29/03/14 03:48 AM I'll be going with 1808-24. They're a single spring. 90lb installed and 195lb at .5 lift. Link to comment https://www.fordxr6turbo.com/forum/topic/84134-crow-valve-springs/page/3/#findComment-1462616 Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 10m 25d Gender: Male Location: @ my laptop Posted 29/03/14 04:29 AM Share Posted 29/03/14 04:29 AM Assuming you have no valve recession 1 Link to comment https://www.fordxr6turbo.com/forum/topic/84134-crow-valve-springs/page/3/#findComment-1462625 Share on other sites More sharing options...
arronm Dropping a turd Gold Donating Members 9,520 Member For: 17y 5m 25d Gender: Male Location: Perth Posted 29/03/14 05:44 AM Share Posted 29/03/14 05:44 AM Correct, You need to measure installed height Link to comment https://www.fordxr6turbo.com/forum/topic/84134-crow-valve-springs/page/3/#findComment-1462630 Share on other sites More sharing options...
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