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View steve392's profile Entries: 204
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01-17-2013 07:13 PM Willys - Idler Bracket Rework
I found a different style of idler bracket which mounts the pulley lower than the original blower case mounted bracket. This one from Hot Heads mounts to the front of the engine block and uses the same through-bolts for the BBC water pump. The first photo shows the new bracket in place and the compressor v-belt installed to check for fit-up. The second photo shows that the idler bracket extends out past the inner “vee” of the water pump pulley. Although the inner belt for the alternator is below the bracket and does not directly interfere, I decided to machine the water pump boss down a little in order to move the idler bracket inward towards the block.
The new bracket not only drops the idler pulley down, but moves it out further that the original location. This necessitated getting smaller diameter top and bottom blower belt pulleys (in the same ratio) in order to make the belt fit correctly. One change always leads to at least three others….


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  [Entry #174]

01-17-2013 04:35 PM Willys - A/C Compressor
The first two photos show the dual v-belt setup to drive the accessories. The inner belt is crank/water pump/alternator, and the outer belt is crank/water pump/compressor. A thin shim was required under the water pump pulley to line up all of the pulleys correctly.
The last photo shows the interference between the compressor belt and the blower belt idler pulley and bracket. After thorough investigation, it was decided that another type of idler bracket would be needed.


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  [Entry #173]

01-17-2013 04:32 PM Willys - A/C Compressor
Here’s the A/C compressor. It’s a Sanden 508 with the rear exit ports. The regular 508 compressor has the top-mount suction/discharge ports, which would be a problem with hood clearance. The compressor bracket is from Hot Heads. It is probably the only one available for mounting an aftermarket compressor to an early Hemi. The compressor mounts above the right valve cover and is bolted to the right cylinder head. The bracket sandwiches between the head and the water crossover.
Also seen in the third and fourth photos is the blower belt idler pulley and bracket, which is going to cause trouble with the compressor v-belt fit-up. I’ll cover the fix in another post.


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  [Entry #172]

01-17-2013 02:45 PM Willys - Fuel Pressure Regulator
Finishing up on the fuel system, the supply and return lines turn up along the firewall. More separator/standoffs are used, one on the toe-board and one on the firewall. Both lines terminate at the pressure regulator mounted on the firewall. The fuel supply line enters the side of the regulator, and the fuel bypass back to the tank exits the bottom. The fuel line from the regulator to the fuel rail is still the same Teflon lined hose, but with a Kevlar braid instead of the stainless.


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  [Entry #171]

05-15-2012 10:10 AM Willys - Fuel Lines
The fuel lines are run along the inside frame rail using aluminum hose separators. The separators and hoses are kept off of the rails by rectangular aluminum tubing stand-offs with a through bolt to the frame. This keeps the hoses in line with the filter and allows routing past the rear brake proportioning valve and makes for a cleaner looking installation. The separators are also spaced close together to give the hoses plenty of support.


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  [Entry #170]

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