lapperz Posted August 6, 2011 Share Posted August 6, 2011 hi ive been running both my defender 200tdi's boost gauges through a t piece located in the boost pipe. ive been running them going 0n 3 years now boosting 18 psi with the pump tweaked a little.but even tho theve both been good as gold ive heard this is the wrong place to get the reading from, is there much difference in the reading's any help would be very gratefull thankyou Quote Link to comment Share on other sites More sharing options...
discomikey Posted August 6, 2011 Share Posted August 6, 2011 theres about a 2-3psi drop through the intercooler, for a true reading you need to get the guage piped to the inlet manifold. not hard to do but you need to get a banjo bolt for the blanking plug facing towards the rocker cover. Quote Link to comment Share on other sites More sharing options...
pat_pending Posted August 6, 2011 Share Posted August 6, 2011 Or simply accept that the gauge slightly under reads and save yourself the trouble of re doing an installation you've been happy with for three years. Quote Link to comment Share on other sites More sharing options...
discomikey Posted August 6, 2011 Share Posted August 6, 2011 or that. Quote Link to comment Share on other sites More sharing options...
Somethingwitty Posted August 8, 2011 Share Posted August 8, 2011 Have to say that although the 'true' boost should be taken from the inlet manifold if LR have specified 15psi for sake of argument AT THE TURBO then areguably all measurements should relate to this location - or else, with it set as per factory THEN measure the 'true' boost at manifold and work all adjustments from there with a correction factor so you know where you are. Those that say the wastegate reference line should come from the manifold 'to ensure you get the 15 psi LR intended' are wrong - however it is a quick way to up the boost above the factory setting - and so long as you are content running a little more than factory there is nothing wrong per se with doing so (and I have moved mine). Your 18 psi is 3 psi or so greater than factory, move the boost gauge to manifold and it will READ a bit less - you haven't changed anything else. The only benefit of a boost gauge from the manifold is you may be able to see any hose leaks a bit more easily. If you want to move it take the blanking plug out of the back, drill a hole in it to suit a bit of brass tube, clean both up and roughen the tube, inset into plug and solder (I used electrical solder and it's been fine). I wouldn't worry though! Quote Link to comment Share on other sites More sharing options...
disco_al Posted August 8, 2011 Share Posted August 8, 2011 one of these fits in the blanking bolt hole in the back of a 300 manifold Quote Link to comment Share on other sites More sharing options...
discomikey Posted August 8, 2011 Share Posted August 8, 2011 twin boost guages would be so cool Quote Link to comment Share on other sites More sharing options...
ajh Posted August 9, 2011 Share Posted August 9, 2011 Twin pyrometers would be a lot more useful though. Been meaning to put in another to help tell how much downpipe egt is burning fuel. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.