plasticdash Posted July 24, 2012 Share Posted July 24, 2012 can i be ultra cheap and re-oil shocks with a slightly heaver weight oil (ie a 40weight) i guess i can drill, drain, tap and plug, and refill them to gain some more shock compression resistance? or is it far too gash ? Quote Link to comment Share on other sites More sharing options...
R3spct Posted July 24, 2012 Share Posted July 24, 2012 I did this 20 odd years ago with the front shocks on my Datto 1200 coupe, was fairly harsh and stiff as i remember. Quote Link to comment Share on other sites More sharing options...
WIRP Posted July 28, 2012 Share Posted July 28, 2012 I used motorcycle fork oil drilled a hole and then mig it up also heard of people using ATF fluid Quote Link to comment Share on other sites More sharing options...
Bling Posted July 29, 2012 Share Posted July 29, 2012 Might just be me, but drilling a shock and mig welding the hole up afterwards just doesn't sit well I'd just buy stiffer shocks and not have to worry about such shenanigans. Quote Link to comment Share on other sites More sharing options...
JoKer Posted July 29, 2012 Share Posted July 29, 2012 hencs a tap/bolt seems handy idea to me Quote Link to comment Share on other sites More sharing options...
bubblegoose Posted July 29, 2012 Share Posted July 29, 2012 i thought sealed shocks were all under pressure? and non pressurised ones had the screw on cap/ye old cars and such in which case drilling would be a less than ideal idea Quote Link to comment Share on other sites More sharing options...
Truenotch Posted July 29, 2012 Share Posted July 29, 2012 I've seen it done - it stiffens the ride but is less than ideal as the shock can cavitate without gas pressure. This should explain: W4ZZYqRVzLc Quote Link to comment Share on other sites More sharing options...
bubblegoose Posted July 30, 2012 Share Posted July 30, 2012 i was going more along the lines of releasing the 9450289457psi thats held in the shock though tbh i thinks its more like 120>200psi/just squint while you drill Quote Link to comment Share on other sites More sharing options...
JoKer Posted July 30, 2012 Share Posted July 30, 2012 drill it in a vacuum for lols and leave your penis pump out of it TN! Quote Link to comment Share on other sites More sharing options...
flyingbrick Posted July 30, 2012 Share Posted July 30, 2012 I've seen it done - it stiffens the ride but is less than ideal as the shock can cavitate without gas pressure. This should explain: W4ZZYqRVzLc I didn't think that you could suck the air out of oil so easily!!!!! crazy!!! Quote Link to comment Share on other sites More sharing options...
plasticdash Posted July 30, 2012 Author Share Posted July 30, 2012 Thats awesome ! . to re gas em fit tyre valve type fitting to tube and pump up with nitrogen (inert) after re oiling ? what you reckon ? ive got a full spare set of shocks from daily to try this out on Quote Link to comment Share on other sites More sharing options...
JoKer Posted July 30, 2012 Share Posted July 30, 2012 nah : if you watch the bilsien vid they separate the gas from shock, and I bet for a very good reason Quote Link to comment Share on other sites More sharing options...
plasticdash Posted July 30, 2012 Author Share Posted July 30, 2012 yes you are correct, on a mono tube the high pressure nitrogen is seperated by a piston but on a twin tube it pressurises directly onto the oil by the looks Quote Link to comment Share on other sites More sharing options...
flyingbrick Posted July 30, 2012 Share Posted July 30, 2012 would have to be seperate so you don't just aerate the oil more maybe? Quote Link to comment Share on other sites More sharing options...
JoKer Posted July 30, 2012 Share Posted July 30, 2012 you also don't need pressure, as my understanding : but it sure damn helps on hard working situations Quote Link to comment Share on other sites More sharing options...
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