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quest for accurate temp gauge

 
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jvandyke  



Joined: 31 Mar 2016
Posts: 193
Location: Hudsonville, MI

PostPosted: Sun Feb 19, 2017 2:06 am    Post subject: quest for accurate temp gauge Reply with quote

Situation;
83 944 engine in an '87 924s
currently temp gauge rises slightly and stays there, just a little off stone cold
The temperature gauge sender is different (small button style in '83 block with no "probe" vs. a single spade larger thread sender the 924s gauge wants; with a probe) with different resistance values no doubt.
Possible solutions;
1) drill and tap the block to accept the larger 924s sender
2) swap the gauge in the dash; either the whole temp/fuel/idiot light nacelle or just the temp part, no idea how they hook up or how interchangeable they are.
Thoughts?
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87 924S project, '83 944 engine,
my son's first car.
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TJC  



Joined: 04 Apr 2010
Posts: 575
Location: NW Arizona

PostPosted: Sun Feb 19, 2017 2:28 am    Post subject: Reply with quote

If you're not a stickler for originality you could fabricate a piece of tubing with a proper threaded boss welded into it to fit the sender you require for your present gauge which then splices into a coolant hose and there you have it. Easy peasy, and you don't need to mess with the block or the dash...used to do this on the race cars all of the time.
Edit!
Oh I almost forgot since I'm old and we used to use mechanical gauges mostly...you may need to make a provision for a ground wire connection by welding/brazing an electrical spade on your tubing or use some other method of grounding the sender.
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'95 BMW 318i/5 "Pearl"
'86 Porsche 944 Turbo...Parting Out!
'87 Porsche 944 NA "Liebchen"

Still on the Prowl!

www.ttrstomtatalovichracingservices.com
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ideola  



Joined: 01 Oct 2004
Posts: 15462
Location: Woodstock IL

PostPosted: Sun Feb 19, 2017 2:48 am    Post subject: Reply with quote

You should have no trouble just swapping the entire multi-gauge unit to an early white-lettered 944 gauge.
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15 981 GTS | 88 924S SE | 82 931 Holbert | 82 931 Rallye | 81 937 | 81 Euro 931 | 81 Weissach | 80 US 928 | 80 US 931 '941' | 80 US 931 | 80 931 GTR | 79 Sebring | 78 D-Prod Replica | 78 w/D-Prod kit | 78 Poli-Form | 78 Limited Edition | 77 Martini
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Grenadiers  



Joined: 20 Feb 2007
Posts: 3223
Location: Nelson, WI & Prescott, AZ

PostPosted: Fri Mar 03, 2017 11:49 pm    Post subject: Reply with quote

1983 track car, have both stock and aftermarket.




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'83 944 Track car.
'88 924S Track car.
'89 944 Turbo
2004 Winnebago Vectra monster RV
2012 Jeep Wrangler
2014 Kia Soul
2001 Ford F350 powerstroke
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jvandyke  



Joined: 31 Mar 2016
Posts: 193
Location: Hudsonville, MI

PostPosted: Wed Apr 26, 2017 1:13 pm    Post subject: Reply with quote

after much fiddling about and chasing grounds and all sorts of silliness, I just put a new sender on, all good. Duh.
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87 924S project, '83 944 engine,
my son's first car.
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