Anyone half filled a 5.3 block?
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Teching In
Joined: Jul 2018
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Anyone half filled a 5.3 block? So I am building a forged 5.3 turbo and I was wondering if should half fill the block, anyone done it? Gonna drive on the street some, should be over 1000+whp.
will the coolant and oil temp be a lot higher? will it be a problem to drive on the streets? Thanks.
will the coolant and oil temp be a lot higher? will it be a problem to drive on the streets? Thanks.
Last edited by Downsouthgarage; Aug 4, 2018 at 07:14 PM.
my brothers ls2 is 1//2 filled and it is not the best on the street. he has 2 temp gauges left front and right rear of heads and if you let it idle the rear guage will easily climb to 260* if you idle for a minute or two. . if it is a good block it will live just fine without fill.
I have a half filled 5.3 block, right to bottom of the water pump holes. I do run an oil cooler and the car does seem more difficult to keep cool compared to when it had no fill. Street drives fine, 30 minute drive of highway/stop and go and temps never go over 190* in 90+* ambient.
Thread Starter
Teching In
Joined: Jul 2018
Posts: 31
Likes: 0
I have a half filled 5.3 block, right to bottom of the water pump holes. I do run an oil cooler and the car does seem more difficult to keep cool compared to when it had no fill. Street drives fine, 30 minute drive of highway/stop and go and temps never go over 190* in 90+* ambient.
Last edited by Downsouthgarage; Aug 5, 2018 at 06:04 PM.
turboed. Made 950 wheel @25+psi. Has run 8.60@156 on 18psi. Iron block. Not sure how the engine shop did it.
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machine shop is probably doing it for me 