Technical > Matt Shaff's Engine Shop

Spark Plug indexing

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George:

--- Quote from: coupemerc on March 29, 2013, 06:24:31 AM ---I don't think so George. Everybody is probably busy indexing plugs and playing with engine temperature! If you do decide to run your deal hotter, keep in mind that eventually you will probably need to adjust your fuel system to optimize.

--- End quote ---

Yea!

I am working on installing a freeze plug heater on each side. The design of coolant flow and return is a question as I don't want a pump and prefer an expansion tank with little or no overflow. Any proven designs out there for a SBC? Thanks.

dreracecar:
Sorry to be a little late on this , But I run a waterpump on my blown engine and have not had to touch my heads in over 12 years except for a valve replacment from zinging. A Riverrat waterpump is cam driven and goes between the front cover and your fuel pump.

Cajuninjector:
I run with SWJFA and our block is dry as a bone. Of course we tow the dragster around.
We use to run with water but decided to pull the plug about a year ago mostly for the weight but also for saftey.
When we had water it was just filling the block and not circulating. The water pump holes in the front of the  motor were blocked off, the back two water holes on the hilborn manifold had plugs.
The two front water holes in the hilborn manifold were connected and tee'd into a vented catch can to let any steam out and catch any fluid. Worked really good but I'd have pull the rear plugs to fill with water often. Kind of a pain.

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