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-   -   Drilling a Hole in Intake manifod (https://www.offshoreonly.com/forums/general-q/203713-drilling-hole-intake-manifod.html)

qaberdeen 03-01-2009 08:48 PM

so would the Holley Blue work, the carb i have is the Holley 4150

qaberdeen 03-04-2009 02:18 PM

1 Attachment(s)
The engine builder just got back to me and stated this.. (" You have constant flowing water to your exhaust system at all times specially when using a thermostat. If your thermostat blocks the flow of water and does not bypass for the exhaust cooling you need to drill the manifold and bring water above the thermostat. If the housing has water to the exhaust with no restriction you need do nothing to the manifold. The bottom line is the cooling system needs water at all times, you cant have the thermostat block water off when the engine is cold")


so in other words it sounds like i don't have to drill using the Stainless Steel T Housing in the picture because it does not block the water..am i on the right track..just wanting to make sure..and i'm sorry for going back and forth with this..

cheers

Q

DesertRage 03-04-2009 04:02 PM

You are correct! You do not need to drill the manifold. Just make sure when you install the thermostat that it goes in first and then the spacer goes in below it.

qaberdeen 03-04-2009 04:33 PM

Thanks,

I will keep u guys posted with the build.. :-)

qaberdeen 03-26-2009 09:38 PM

4 Attachment(s)
Hey fellas,

which gasket am i using with the thermostat assembly the left or right. also the sender assembly temp is not fitting what should i do. the base of it is to wide.

thanks q

qaberdeen 03-27-2009 08:37 AM

1 Attachment(s)
heres a little progress with the install. but i still need to know about the gaskets for the therm.

thanks
q


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