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05-23-2015, 11:52 AM
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#1 |
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Registered User
Join Date: Feb 2008
Location: Fort McMurray, AB
Posts: 192
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Coolant crossover between heads?
How many crossovers are needed on a very mild SBC. My heads don't have a center crossover and the intake don't have the rear crossover, is having only have the front crossover acquitted?
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05-23-2015, 12:15 PM
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#2 |
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Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,950
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Re: Coolant crossover between heads?
Coolant only flows in the front and rear. The center ports are for egr. Typically the rear ports are blocked by the intake and the fronts are used. What your seeing is completely normal.
__________________
Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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05-23-2015, 12:20 PM
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#3 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,512
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Re: Coolant crossover between heads?
There are no true crossovers in a sbc. Water from pump into front of block, flows thru block, up into rear of heads, thru heads and out to the thermo in the intake.
So how many crossovers are needed would be 'none'. |
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05-23-2015, 12:28 PM
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#4 |
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Registered User
Join Date: Feb 2008
Location: Fort McMurray, AB
Posts: 192
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Re: Coolant crossover between heads?
Thanks Guys, good to know.
If the egr is blocked on the heads would that help with fule boiling in the carb? |
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05-23-2015, 01:19 PM
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#5 | |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,512
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Re: Coolant crossover between heads?
Quote:
Depends on carb and intake! |
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