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Why does it have to be an rcm pump, essentially all your after is a modified 11mm pump, theres a few suppliers for these that are cheaper than the 240 quid youve found.
Why does it have to be an rcm pump, essentially all your after is a modified 11mm pump, theres a few suppliers for these that are cheaper than the 240 quid youve found.
Advanced Automotives do they're own variation with the 11mm and stronger sprint relase whatever it is do dar... for £185 I think they said.
Doesn't have to be RCM... but have decided to get a brand new one whichever I go for so thanks guys :thumbs:
I believe the mod is changing the spring for a stronger one and de-burring the bore in the relief valve chamber to stop the valve snagging when its travelling.