#1985 mazda rx7 with 350 sbc overheating after 15 minutes of driving

1 messages · Page 1 of 1 (latest)

supple briar
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car overheating super fast. just got a ton of issues fixed but now the car is exploding coolant after just 15 minutes. any insight?

dim kestrelBOT
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GG @supple briar, you just advanced to level 3! Chat more to level up and earn top roles!

supple briar
wary violet
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deffinetly check if your hoses are not broken or thwt they are on secure.or a hole in the radiator.I would reccomend also joining the rx7 discord server

plush raft
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I would definitely think it’s a hose since it’s a older car

viral hatch
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Oh it's you again

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Check your hoses

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And make sure there's not air in the cooling system

tacit venture
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Well what have you done? Any of those issues you said were fixed pertain to engine cooling?

supple briar
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In efforts to fix the problem I changed the coolant. Added super coolant. checked hoses. Changed thermostat. Come to find out the guy before me just removed the thermostat entirely. I imagine to fix the overheating. the fan wasn’t turning in so i installed a 2215 CfM fan connected to an auxillery switch so i can manually turn it on. Even with all that the car still overheats in 15 minutes

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I do have consistent bubbling in the coolant system. Potentially a leak somewhere but i can’t find it anywhere

supple briar
supple briar
wary violet
supple briar
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5.7 350 sb

fiery rune
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@supple briar have you done a block test

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I'd like to rule out a bad head gasket