thermostat question
03-26-2007, 06:55 PM
#1
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thermostat question finally started my 71 monte with 04 GTO LS1. thanx to john at speartech, it started instantly!..6 months in the doin. quick question, to lazy to search around. anybody know offhand the opening temp for this motors thermostat? let it run for about 5 minutes, two heater hose get nice and hot, gauge reads 145 so far, and two radiator hoses only warm at motor, but cold at radiator.steam line tee'd in at top of upper hose near radiator (using a schedule 80 grey PVC tee fitting with brass nipple!!!) any input out there??thanx to all that helped get me this far
03-27-2007, 07:59 AM
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At least your car gets warm! I know this is apples to oranges, but in my 81 I have a 160 stat, 17" fan and a Griffin aluminum radiator. When it's 65 outside, I'm lucky if it gets to 150 when I'm driving! It's usually at 145ish, and won't get above 160 even idling in traffic. I'm going to put a 180 stat in it as soon as I get a chance.
03-27-2007, 09:14 AM
#5
It comes down to seasonal car maintance, espeacially if you live in climates that have very cold and/or hot weather during different times of the year and you drive during them. It is a PIA, but changing the T-stat is a good Idea (if needed) to keep your DD in the correct operating range for both Performance, Milage and emissions.
03-27-2007, 09:32 AM
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^^Yeah, I know how important fluid change is (I don't know if you're referring to me or the TS). All my fluids are new except the diff fluid and the brake fluid (which will be, along with a booster, master cyl, calipers, rotors, pads, wheel cyl's and all brake lines) as soon as I get off my lazy butt and do it. I put the 355 in last june, and the 160 thermostat in last august. I bought a 180 and had it for a couple months, but it wasn't working properly so I took it back and got a 160.
Good advice on your part though!
Good advice on your part though!
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03-28-2007, 05:23 PM
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hopefully the tee fitting is the absolute last of my gliches!! trust me, grey PVC holds up to almost any chemical at most temps. (i work for NYC DEPT OF DRINKING WATER, D.E.P.)cant be any worse than the cheap black plastic fittings the donor car came with.as for t-stat, i might drop down to a 180. still havent drove the car yet to see what temps it runs at. I am using A-body 4-core radiator with 04 GTO dual elec fans.
