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need help srj!!! tpi keeps overheating??

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Old 06-19-2010, 02:48 PM
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Angry need help srj!!! tpi keeps overheating??

ok.
im pretty pissed off and just about had it with my car.

i took the radiator to get cleaned out, put in the stock thermostat 195 deg.
new hoses, just put my oil cooler,and put some malibu electric fans.

my timing was a little off so we fixed it.

i took it out for a ride maybe 8 min on my temperature was reading 220 then went down, took it a main street away an it went into the red..

idk wtf is wrong with it..

everyone is saying the heads.
that the guy who rebuild the block didn't rebuild the heads as he said he would.
i mean what other explanation is there for it to over heat like this and waste 100 bucks in gas in three days without really even throttling it!!!

also through my breather and oil cap there is a whole damn lot of compression coming out..



what do you guys think it is??
Old 06-19-2010, 02:52 PM
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I also just went to take it to the machine shop who did the work...

the damn explanation for it leaking compression thru the breather and oil cap, according to him is because I don't have a hose going from the valve cover to the tb, an that's why it also feels sluggish, an that i have that smoke too because my injectors aren't working correct lol...


also since I used a fram filter and the filter has the rubber stuff at the bottom for grip, an its coming off because i took it off like twice now to put the oil cooler, an take it off again he says that the oil filter expanded lol witch is not true it looks exactly how I bought it except without the rubber coating...
Old 06-19-2010, 02:52 PM
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Originally Posted by dreemurY2K SS
ok.
im pretty pissed off and just about had it with my car.

i took the radiator to get cleaned out, put in the stock thermostat 195 deg.
new hoses, just put my oil cooler,and put some malibu electric fans.

my timing was a little off so we fixed it.

i took it out for a ride maybe 8 min on my temperature was reading 220 then went down, took it a main street away an it went into the red..

idk wtf is wrong with it..

everyone is saying the heads.
that the guy who rebuild the block didn't rebuild the heads as he said he would.
i mean what other explanation is there for it to over heat like this and waste 100 bucks in gas in three days without really even throttling it!!!

also through my breather and oil cap there is a whole damn lot of compression coming out..



what do you guys think it is??
not that you won't get any answers here, but for more experienced tpi advice go to thirdgen.org and post your issues there as well
Old 06-19-2010, 02:55 PM
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ill try here first, then ill go there..

everyone tells me it something with the heads, I mean yesterday i turned it on at 3:07 by 3:13 it was reading 240 that's ridiculous ..

do you have tpi in your car?? or tbi?? or a swap??
Old 06-19-2010, 03:21 PM
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try removing the thermostat all together. did you burp the system when you put the car back together?

when i bought my new vette the guy said it was overheating(he didnt know why) but i drove it home. got on the freeway and it shot to the red. pulled over and pulled the thermostat burped the system then drove it home with no problems. of course after it cooled
Old 06-19-2010, 03:24 PM
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man i went thru 4 thermostats starting with 160 and ending at 195 an yes I believe we did.

Im just pissed off i paid to get it done, yet this guy cant get this crap rite.
I mean i cant go a block without it going into the red...
Old 06-19-2010, 03:27 PM
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if he had done it right it shouldn't have compression coming out the breather and oil cap.

damn motor looks like a chimney on fire
Old 06-19-2010, 03:33 PM
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What about your water pump? You didn't say anything about it.
Old 06-19-2010, 03:38 PM
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water pump is new, new thermostat, radiator got flushed an cleaned the fans are working since i open the switch..
Old 06-19-2010, 04:25 PM
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How will heads make it overheat? Aside from coolant not being able to pass through them or not being decked correctly and leaking I have a hard time believeing its related to the heads.

A thermostat has a purpose, removing it is a bad idea.

Are the fans you have commonly used on these swaps? Are they pusher or puller fans? Will they move enough cfm to cool that motor?

As said before ALL air needs to be bled from the system for it to work properly. Its been a few years since I had a TPI but I seem to think there is a bleeder in the system(somewhere at the top).

Not trying to be as ******* just hoping to give an idea to point you in the right direction, I owned two TPI motors, one stock and one built.
Old 06-19-2010, 04:31 PM
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i put the thermostat back if you read correctly it says i put the oem one that's a 195

and this fans are pullin, and they were an take out a lot mor heat than the stock ones, since this have a shroud around them more air is coming out, plus they seem to be bigger than the stock ones it use to have.

an all air was bleeded my friend help me in that part.

idk what other problem it could be.

has fans that are working, air is bleeded, new pump, the thermostat is new an opening, i put the oil cooler, its as if the water wasnt getting to the heads or something, i took the radiator to get cleaned out just in case it was plugged somewere...

the hose going to the thermostat housing looks like its about to blow...

its getting to hot like if i didnt have a radiator connected at all
Old 06-19-2010, 04:40 PM
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Do a compression test sounds like head gaskets/ heads cud be fucked, as far as ur pcv normally excessive blowby through the rings will do that. If I were you id be more worried about how to get ur foot outta ur builders ***.
Old 06-19-2010, 04:45 PM
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well I dropped it off today in the morning so till then I wont do anything with it.
because I mean there is no reason why it should be doing this to this point..

i mean why would there be so much damn white smoke coming out of my valve covers??
and its over heating real bad.

and this damn builder is a jackass trying to make stupid **** up.


ok.
like a week ago we went out to the illegals (not in my car) i was talking to a guy who was working with the guy in that time period that my motor was done an he said he never did polish or port the heads.
Old 06-19-2010, 05:02 PM
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Did the builder install the heads? Im wondering if possibly the head gaskets could have been backwards and coolant passages are not lined up, ive had that issue before.
Old 06-19-2010, 05:03 PM
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Originally Posted by dreemurY2K SS
well I dropped it off today in the morning so till then I wont do anything with it.
because I mean there is no reason why it should be doing this to this point..

i mean why would there be so much damn white smoke coming out of my valve covers??
and its over heating real bad.

and this damn builder is a jackass trying to make stupid **** up.


ok.
like a week ago we went out to the illegals (not in my car) i was talking to a guy who was working with the guy in that time period that my motor was done an he said he never did polish or port the heads.
Then I suggest you remove it from your sig
















j/k Sounds like you got taken by one of the many shitty "engine builders" out there.
Old 06-19-2010, 05:05 PM
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Originally Posted by MrElectric03
Did the builder install the heads? Im wondering if possibly the head gaskets could have been backwards and coolant passages are not lined up, ive had that issue before.
Makes sense. Maybe thats why its smoking from the valve covers?
Old 06-19-2010, 05:11 PM
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Originally Posted by MrElectric03
Did the builder install the heads? Im wondering if possibly the head gaskets could have been backwards and coolant passages are not lined up, ive had that issue before.
yea a guy that I know that use to build old mopars told me the same thing.

Originally Posted by 94'BLKBRD
Then I suggest you remove it from your sig
















j/k Sounds like you got taken by one of the many shitty "engine builders" out there.
the thing is he built my friends 93 z28 a lt1 383 stroker low compression for boost an he has no problems whats so ever and that car is a damn beast.

Originally Posted by 94'BLKBRD
Makes sense. Maybe thats why its smoking from the valve covers?
no i doubt thats it either,but it can be i guess? that older guy also told me that he might have cracked a ring, or that he aligned all the rings with the gap together, and something about them sticking on the wall
Old 06-19-2010, 05:12 PM
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Originally Posted by 94'BLKBRD
Makes sense. Maybe thats why its smoking from the valve covers?
Eh, just looked at one of my SBC blocks and coolant passages are pretty much the same, so gasket shouldnt be able to block it if flipped. The intake gasket howeve can do the same, in fact the intake gaskets are pretty different between years and some come with block off plates to block the rear coolant passages.
Old 06-19-2010, 05:19 PM
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ok the guy just called me back..

he said i need a breather box or to put stock valve covers back on there, to replace the map sensor cuz it could have been damaged, an that i have a leak on my tb.

that if the compression keeps coming out to take it back...

does this sound correct??

an he says that i have a wrong temp sensor
Old 06-19-2010, 05:19 PM
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Just looked at one of my TPI manifolds, coolant does not flow through the center or rear of the intake, only through the front from the thermostat, so if the intake gaskets are flipped you wont get any flow at all. If your motor goes from cold to over heating in 5 min you are getting no flow whatsoever.


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