Martins Stag Posted January 31, 2018 Share Posted January 31, 2018 I have seen this Minispares 20 psi oil warning light which might be an idea for the Stag does anyone know if the Triumph and Mini oil warning light switch is interchangeable? I am talking old not BMW MiniMartin Quote Link to comment Share on other sites More sharing options...
Clive Posted January 31, 2018 Share Posted January 31, 2018 Pretty certain most stuff is 1/8npt thread, so willbe fine.Just got me thinking, I really ought to add a bright LED via a 20psi switch, as an addition to the std oil light. A bit of early warning etc,can't hurt.And you can buy adjustable switches too.https://www.ebay.co.uk/itm/Lon.....984oGIvtdbcGtD2L1IHA Quote Link to comment Share on other sites More sharing options...
Martins Stag Posted February 1, 2018 Author Share Posted February 1, 2018 Clive thanks for that just ordered the 20 ibs one Martin Quote Link to comment Share on other sites More sharing options...
Clive Posted February 1, 2018 Share Posted February 1, 2018 I think I will do the same. And I do think it is a good idea to have it connected to a REALLY obvious light, so you know if the pressure does drop catastrophically.The std little light is not big/bright enough to grab ones attention. Quote Link to comment Share on other sites More sharing options...
StagNL Posted February 1, 2018 Share Posted February 1, 2018 After finding that a T piece did not fit wel, I decided to rely solely on the poil pressure gauge I fitted.... with its very dim illumination.... and a warning light set at 20lbs would be on all the time at low rpm as mine has around 12-15lbs at hot idle..... been like this for years.... not worried one bit.Julian Quote Link to comment Share on other sites More sharing options...
DJT Posted February 3, 2018 Share Posted February 3, 2018 Quoted from StagNL After finding that a T piece did not fit wel, I decided to rely solely on the poil pressure gauge I fitted.... with its very dim illumination.... and a warning light set at 20lbs would be on all the time at low rpm as mine has around 12-15lbs at hot idle..... been like this for years.... not worried one bit.Julian 15psi on hot tickover is perfectly normal on a healthy Stag engine, Julian. A 20psi Switch would ensure the light came on every time the engine returned to tickover. The OE switch is set at 6psi ISTR. Triumph must have done that for a reason, their (and Ricardo’s) engineers weren’t entirely stupid. Quote Link to comment Share on other sites More sharing options...
Martins Stag Posted February 5, 2018 Author Share Posted February 5, 2018 DJTInteresting that was in the back of my mind too... I assume Ricardo's assisted in the design of the engine ? Do you have any details?Martin Quote Link to comment Share on other sites More sharing options...
Clive Posted February 5, 2018 Share Posted February 5, 2018 Martin, I will give you a fiver for the 20PSI one if you don't need it! Quote Link to comment Share on other sites More sharing options...
DJT Posted February 5, 2018 Share Posted February 5, 2018 Quoted from Martins Stag DJTInteresting that was in the back of my mind too... I assume Ricardo's assisted in the design of the engine ? Do you have any details?Martin Martin,Ricardo designed the slant 4 on behalf of Triumph and SAAB. Triumph took it a stage further with the V8 as they wanted a family of engines with the same basic design to keep tooling costs down. I did read once that they intended to stretch the slant 4 into a slant 6, (or was it reduce the V8 to a V6? Can't remember now) but that never happened. Quote Link to comment Share on other sites More sharing options...
StagNL Posted February 6, 2018 Share Posted February 6, 2018 I seem te recall a former Triumph engineer in an interview on the Clancy DVD saying that slant 6 and V12 were envisioned.... Quote Link to comment Share on other sites More sharing options...
Martins Stag Posted February 7, 2018 Author Share Posted February 7, 2018 Very interesting so the V12 that would have been in the 4.5- 5 litre size I would imagine. I would guess they wouldn't have been able to shoehorn it into a Stag?Martin Quote Link to comment Share on other sites More sharing options...
DJT Posted February 7, 2018 Share Posted February 7, 2018 It is well documented that the Triumph V8 was originally designed as a 2.5-litre PI, but they couldn't get it to comply with the US emission laws, so it was bored out to 3-litres and fitted with Strombergs. Quote Link to comment Share on other sites More sharing options...
DJT Posted February 7, 2018 Share Posted February 7, 2018 It is well documented that the Triumph V8 was originally designed as a 2.5-litre PI, but they couldn't get it to comply with the US emission laws, so it was bored out to 3-litres and fitted with Strombergs. Quote Link to comment Share on other sites More sharing options...
MDofTW Posted February 8, 2018 Share Posted February 8, 2018 Quoted from DJT 15psi on hot tickover is perfectly normal on a healthy Stag engine, Julian. A 20psi Switch would ensure the light came on every time the engine returned to tickover. The OE switch is set at 6psi ISTR. Triumph must have done that for a reason, their (and Ricardo’s) engineers weren’t entirely stupid. Well that's really cheered me up - I've spent hours looking at my oil pressure guage dropping to (nearly) 0 (on a 0-100 psi guage), cr***ing myself, and being re-assured by my great spanner man that "it's ok, you only need 8-10 psi at tickover" ... now it seems he was right. Should have trusted him..... I think! Quote Link to comment Share on other sites More sharing options...
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