Well, i changed the t-stat in my car (which was bad) but i started it and it made a suspiciously larger than normal cloud of steam. I let it idle and it stayed cool, but you could smell hot antifreeze from my neighbor's house. I cant think of anything less than a blown head gasket. Any ideas on cost to have a shop do it? I froze my butt off just doing the thermostat
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A shop you are looking in the thousands. Doing it yourself you're looking at 100 in gaskets. Your call.
Did you check the oil for a milky color? I would say check the compression but it's so damn hard on these cars, I can understand not wanting to. I'm just saying don't replace what isn't broken, until you know for sure.
If the oil is clean it might not be the cylinder head. A good compression check will make it positive.97 Chevy 'Raro Z28 M6- Ported & Polished LT1 heads,beehives,1.6/1.94 valves, 226/231 custom cam,K&N FIPK, 94-95 BBK shorty's,ORY,Magnaflow Catback,no cats,BMR LCA Relocation Brackets,Lower Control Arms,Adjustable Panhard Bar,Eibach Pro Kit,SPEC Stage 1,Walbro 255 Fuel Pump,30LB Injectors,Pro 5.0,Short stick,MSD 8.5's,NGK TR55's,LT4KM
01 Honda CBR600 F4i-Two bro's,Corbins,SS brake lines
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You need to see where it's leaking from first. It might be coming from the t-stat housing. I had mine leak from there for some reason one time. When mine leaked after I changed the stat, I turned the gasket over and cleaned everything then put it back together and didn't overtighten - worked. Those stock screws are also soft and can break if torqued to the spec in the book. Now I didn't really understand if you had an overheating problem or no heat from the heater or just why you changed it in the first place. Don't forget to go through the ritual of bleeding it a couple times to get the steam out of the heads or it might spit some hot coolant out the overflow. You need to bleed and refil at least a couple times to get it right.
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Did you get the correct t'stat for your LT1? Reverse cooled system requires a special 'stat.... most auto parts store will sell you the one for a Gen 1 Chevy, because they don't know the LT1 takes a special 'stat.
Hopefully, you are using the "how to's" on Shoebox's Tech Page
Shoebox's Tech Pages
Fred
381ci all-forged stroker - 10.8:1 - CNC LT4 heads/intake - CC solid roller - MoTeC engine management - 8 LS1 coils - 58mm TB - 78# injectors - 300-shot dry nitrous - TH400 - Gear Vendor O/D - Strange 12-bolt - 4.11's - AS&M headers - duals - Corbeau seat - AutoMeter gauges - roll bar - Spohn suspension - QA1 shocks - a few other odds 'n ends. 800HP/800lb-ft at the flywheel, on a 300-shot. 11.5 @ 117MPH straight motor
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This is AFTER i changed the thermostat, and yes i did use the right t-stat. It is leaking into my cylinder so it must be a head/block deformity/crack or a gasket, correct?'95 Trans Am 6spd- broke
'77 dodge custom 150 2wd tire destroyer- 440ci w/edelbrock intake, thorley headers, 2000 stall, ported heads and surface rust
2005 Kawasaki z1000 - getting too cold for that though
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If you have coolant leaking into your cylinders, you had better pull the heads off and get it cleaned up quick. Don't let your rings rust to the cylinder walls. That'll call for pulling the motor, honing it out, new rings... Big job. I have heard of a few guys that blow head gaskets, let it sit, and when they get around to doing it the motor is shot.97 Chevy 'Raro Z28 M6- Ported & Polished LT1 heads,beehives,1.6/1.94 valves, 226/231 custom cam,K&N FIPK, 94-95 BBK shorty's,ORY,Magnaflow Catback,no cats,BMR LCA Relocation Brackets,Lower Control Arms,Adjustable Panhard Bar,Eibach Pro Kit,SPEC Stage 1,Walbro 255 Fuel Pump,30LB Injectors,Pro 5.0,Short stick,MSD 8.5's,NGK TR55's,LT4KM
01 Honda CBR600 F4i-Two bro's,Corbins,SS brake lines
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Ouch. No, im taking care of it tomorrow. Hopefully the head's not warped but my machinist friend says it will more than likely have to be skim cut ~ 0.010" but we'll see.'95 Trans Am 6spd- broke
'77 dodge custom 150 2wd tire destroyer- 440ci w/edelbrock intake, thorley headers, 2000 stall, ported heads and surface rust
2005 Kawasaki z1000 - getting too cold for that though
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Originally posted by ColdBirdThis is AFTER i changed the thermostat, and yes i did use the right t-stat. It is leaking into my cylinder so it must be a head/block deformity/crack or a gasket, correct?
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Originally posted by ColdBirdOuch. No, im taking care of it tomorrow. Hopefully the head's not warped but my machinist friend says it will more than likely have to be skim cut ~ 0.010" but we'll see.97 Chevy 'Raro Z28 M6- Ported & Polished LT1 heads,beehives,1.6/1.94 valves, 226/231 custom cam,K&N FIPK, 94-95 BBK shorty's,ORY,Magnaflow Catback,no cats,BMR LCA Relocation Brackets,Lower Control Arms,Adjustable Panhard Bar,Eibach Pro Kit,SPEC Stage 1,Walbro 255 Fuel Pump,30LB Injectors,Pro 5.0,Short stick,MSD 8.5's,NGK TR55's,LT4KM
01 Honda CBR600 F4i-Two bro's,Corbins,SS brake lines
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Originally posted by ColdBirdOuch. No, im taking care of it tomorrow. Hopefully the head's not warped but my machinist friend says it will more than likely have to be skim cut ~ 0.010" but we'll see.
While the heads are off... Port and polish maybe??? Just a suggestion. Kill two birds with one stone type of thing86 Firebird, Just a lowly 6 banger, sold
Plans for an '02 WS6 are in the mix for 2008 (after I'm out of the army)
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straight edge'll do the trick. I would just let a shop do it though. They'll pressure check it for cracks, and check for flatness. Should be free, and if it needs milling I think it's about 40 bucks.97 Chevy 'Raro Z28 M6- Ported & Polished LT1 heads,beehives,1.6/1.94 valves, 226/231 custom cam,K&N FIPK, 94-95 BBK shorty's,ORY,Magnaflow Catback,no cats,BMR LCA Relocation Brackets,Lower Control Arms,Adjustable Panhard Bar,Eibach Pro Kit,SPEC Stage 1,Walbro 255 Fuel Pump,30LB Injectors,Pro 5.0,Short stick,MSD 8.5's,NGK TR55's,LT4KM
01 Honda CBR600 F4i-Two bro's,Corbins,SS brake lines
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