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  #11  
Old 01-22-2016, 04:31 AM
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greaseguy greaseguy is offline
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Default Tih

Tube in hose. 3/8 aluminum fuel line running in 3/4 coolant hose az Dave sells tih fittings set ups
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  #12  
Old 01-23-2016, 08:24 PM
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Quote:
Originally Posted by biostroker View Post
I just had an idea to put a tee on either side of the filter for a bypass. That way if the Racor is frozen solid the veggie oil will keep flowing. Sure, only 50% of the oil will go through the Racor, but better than none! Thoughts?

Still wondering what TIH is?
You most likely won't need it and I wouldn't run without a pre-pump filter. I have been routing the coolant hoses close to the base of the Racor to help warm it up a little. See the pics I posted earlier.

The Tube In Hose (TIH) is a heated fuel line. This adds more heat to the fuel from the tank to the pre-filter. If you look at the first pic I posted above, you'll see aluminum tubing running into a brass tee. That tubing continues past the tee inside 3/4" heater hose and comes out at another tee at the fuel tank.

I do a 'looped return' on my DIY conversions and both the supply and return fuel lines are TIH. The looped return sends all of the fuel the engine doesn't use back to near the fuel tank where it is tee'd into the suction line (to the pre-filter and pump). This 'loop' adds copious amounts of heat the the VO and contributes to melting anything in the pre-filter.
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  #13  
Old 01-25-2017, 05:50 AM
randy h randy h is offline
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Biostroker, I believe TIH means tube in hose. Referring to the wvo flowing through a tube that is within the coolant hose. It's the same as HIH, hose in hose
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