Installing an extra water temp and oil pressure gauge - Miata Turbo Forum - Boost cars, acquire cats.

Welcome to Miataturbo.net   Members
 


Prefabbed Turbo Kits A place to discuss prefabricated turbo kits on the market
Sponsored by:
Sponsored by:

Reply
 
 
 
LinkBack Thread Tools
Old 06-20-2007, 02:13 PM   #1
I'm Miserable!
Thread Starter
 
Join Date: May 2007
Location: Sacramento, CA
Posts: 90
Total Cats: 0
Default Installing an extra water temp and oil pressure gauge

Any recomendations on location on the engine the sensors should go???

any help or pics would be appreciated...
Danimal is offline   Reply With Quote
Old 06-20-2007, 02:32 PM   #2
Boost Pope
iTrader: (8)
 
Joe Perez's Avatar
 
Join Date: Sep 2005
Location: Delicious and Moist.
Posts: 26,328
Total Cats: 1,926
Default

Water temp... They make adaptors that you can put inline with the heater hose (basically a pipe section with a 1/8" NPT thread on the side) however they scare me. I bought one and noted that after installing the sender into it, the sender itself blocked probably 50% of the area of the pipe. You can also install such an adaptor in the upper radiator hose without this flow problem, but you'll get a somewhat less accurate reading here.

Oil pressure... You can tee into the 1/8" BSP thread in the block (FM has an adaptor for this) or if you have an external oil cooler or oil filter mount you can put a tee in one of those lines.

1.6 and early 1.8 engines could in theory use the M10x1.5 thread on the hot side of the block, where we normally take the feed to the turbo. Probably get a slightly lower reading here than in the usual position. If you've already upgraded to -AN hoses for this feed it should be a simple plumbing job. Otherwise forget it.
Joe Perez is offline   Reply With Quote
Old 06-20-2007, 03:34 PM   #3
I'm Miserable!
Thread Starter
 
Join Date: May 2007
Location: Sacramento, CA
Posts: 90
Total Cats: 0
Default

For the water temp. I was thinking of taping into the water housing on the rear of the motor or maybe of the exit of the water pump on the exhaust side of the motor....I figured that it would be a bad idea to tap into the thermostat housing (possibly interfer with flow and operation of thermostat and waterpump....
Danimal is offline   Reply With Quote
Old 06-20-2007, 03:57 PM   #4
Boost Pope
iTrader: (8)
 
Joe Perez's Avatar
 
Join Date: Sep 2005
Location: Delicious and Moist.
Posts: 26,328
Total Cats: 1,926
Default

Heck, if you have access to the rear water outlet that's probably the best place for it. The thermostat housing would have the same problem as the upper radiator hose- almost no flow when the thermostat is closed, and at that point you also have a mixture of hot water coming off the head and cooled water that's just been returned from the radiator. (assuming stock flow path.)
Joe Perez is offline   Reply With Quote
Old 06-20-2007, 04:08 PM   #5
Elite Member
iTrader: (5)
 
m2cupcar's Avatar
 
Join Date: Jan 2005
Location: Atlanta
Posts: 7,245
Total Cats: 291
Default

I agree- the rear coolant cap is the best spot, especially with the OE path. There's plenty of room to get it in there- I ran a mechanical sender on my 99 back there.

There's also sandwich plate adapters available for adding sensor ports- goes between the filter and the block (or OE cooler).
m2cupcar is offline   Reply With Quote
Old 06-20-2007, 07:02 PM   #6
I'm Miserable!
Thread Starter
 
Join Date: May 2007
Location: Sacramento, CA
Posts: 90
Total Cats: 0
Default

I have the motor out, so getting to the back is no problem
Danimal is offline   Reply With Quote
Old 06-20-2007, 07:02 PM   #7
I'm Miserable!
Thread Starter
 
Join Date: May 2007
Location: Sacramento, CA
Posts: 90
Total Cats: 0
Default

By rear coolant cap, you mean the one directly under the crank angle sensor?
Danimal is offline   Reply With Quote
Old 06-20-2007, 07:57 PM   #8
Boost Pope
iTrader: (8)
 
Joe Perez's Avatar
 
Join Date: Sep 2005
Location: Delicious and Moist.
Posts: 26,328
Total Cats: 1,926
Default

Quote:
Originally Posted by Danimal View Post
By rear coolant cap, you mean the one directly under the crank angle sensor?
I think he means the outlet that feeds the heater core and contains the factory sensor. Same one you're talking about.
Joe Perez is offline   Reply With Quote
Old 06-20-2007, 10:33 PM   #9
Elite Member
iTrader: (3)
 
Join Date: May 2006
Location: Houston, TX
Posts: 2,900
Total Cats: 0
Default

if you want a tube for the upper radiator hose call these guys http://www.jackweigand.com/index.html
they used to sell on that was anodized black (I've got one), for a very reasonable price. They may still sell them.
Arkmage is offline   Reply With Quote
Old 06-20-2007, 11:28 PM   #10
Elite Member
iTrader: (5)
 
m2cupcar's Avatar
 
Join Date: Jan 2005
Location: Atlanta
Posts: 7,245
Total Cats: 291
Default

yes
m2cupcar is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
My solution for Oiltemp and Oilpressure input into Megasuirt (MS3) Zaphod MEGAsquirt 41 01-24-2016 01:25 PM
Bad head gasket or ? shooterschmidty Engine Performance 8 09-30-2015 11:28 PM
Low oil pressure after 1.8 swap and new turbo setup JesseTheNoob DIY Turbo Discussion 15 09-30-2015 03:44 PM
Recommended Tire Temp for best friction thumpetto007 Race Prep 4 09-27-2015 06:16 PM


Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 11:07 AM.