Nigelw Posted April 3, 2014 Share Posted April 3, 2014 Looking for the size of the bolt/blank that is in the middle of the intake manifold on a 200Tdi Disco, if you are looking at the engine from the side of the injector pump it is staring you in the face, not the ones holding the manifold to the block! If anyone knows the thread size for it please? Quote Link to comment Share on other sites More sharing options...
jad Posted April 3, 2014 Share Posted April 3, 2014 M14 or M12 by 1.5 I believe. I bought a banjo bolt for one many years ago but cant find the e-mail now. Jad Quote Link to comment Share on other sites More sharing options...
jad Posted April 3, 2014 Share Posted April 3, 2014 found it M12x1.5 Jad Quote Link to comment Share on other sites More sharing options...
Nigelw Posted April 3, 2014 Author Share Posted April 3, 2014 Thanks for that Jad, want to get a banjo bolt for it myself to plumb in the boost gauge so I can see whats going on, seems to have a lot more power than my mates now it has had a bit of a run in after standing idle for a year and a half and I'm running bigger tyres!!! Think it may have had a tweek but won't know until I can measure it. Quote Link to comment Share on other sites More sharing options...
vulcan bomber Posted April 3, 2014 Share Posted April 3, 2014 Measure off the turbo not the manifold, the wastegate is there to look after your turbo, not the inlet manifold. Quote Link to comment Share on other sites More sharing options...
Phil Hancock Posted April 3, 2014 Share Posted April 3, 2014 Measuring at the manifold will tell you what boost the engine is seeing. Quote Link to comment Share on other sites More sharing options...
jad Posted April 4, 2014 Share Posted April 4, 2014 I measure boost at the manifold and have the wastegate plumbed into the manifold. I then have the turbo fed to the injection pump diaphragm. Jad Quote Link to comment Share on other sites More sharing options...
Nigelw Posted April 4, 2014 Author Share Posted April 4, 2014 I measure boost at the manifold and have the wastegate plumbed into the manifold. I then have the turbo fed to the injection pump diaphragm. Jad That is something along the lines that I was thinking, real time boost post intercooler losses and frictional losses through bends and pipes, I saw a TD5 recently that has two boost gauges, pre and post intercooler, good couple psi drop through the cooler and pipes!!! My thinking is to look at manifold pressure and EGTs to determine running parameters? Could be wrong? 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.