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Date:         Wed, 23 Jan 2008 17:08:35 -0800
Reply-To:     Scott Daniel - Shazam <scottdaniel@TURBOVANS.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Scott Daniel - Shazam <scottdaniel@TURBOVANS.COM>
Subject:      Re: Bench Testing an L-jetronic  Fuel Injected engine
Comments: To: Greg Potts <greg@POTTSFAMILY.CA>
In-Reply-To:  <DC24777B-6865-4788-9C92-95DD79D13469@pottsfamily.ca>
Content-Type: text/plain; charset="us-ascii"

All very good. It's not normal to have metal rings on top of the barrels where the heads sit on them ? I believe it is. Scott www.turbovans.com are you anticipating moving up to watercooled any time soon-ish ?

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Greg Potts Sent: Wednesday, January 23, 2008 5:01 PM To: vanagon@GERRY.VANAGON.COM Subject: Bench Testing an L-jetronic Fuel Injected engine

Hi Volks,

I have been working on getting my bus back under its own power on and off since November. For those who need a refresher, I threw a rod back in July and installed a remanufactured 1700cc EA-series 411 engine with L-jetronic FI as a replacement. Unfortunately, I overheated this engine a few weeks later and it took quite a while to get all the parts that were required to get it running again. And then when I put it back in the bus, it refused to fire. A compression test was done and the abysmal results prompted the removal of the engine from the bus. Here we go again.

As it turned out, when VW remanufactured this engine they flycut the heads such that they could not be used without gaskets between the heads and the cylinders. So I sourced out a set of gaskets and the engine was reassembled. So far, so good.

But it's winter, and my bus doesn't fit in my garage. I hate working outside in the cold, and I don't want to do any more work outside than I absolutely have to. I want to be 100% certain that this engine is ready to run as soon as I install it.

So I decided to build up a rig to bench test the engine with a complete FI setup on it. I borrowed a bell-housing, then attached a starter and added a bracket to the left side of the engine with a horontal 1x2 attached to it to support a small lawn mower fuel tank, the fuel pump, power and ignition switches, double relay and ballast resistors. There's also a bracket to support a decel valve above the engine where it meets the hoses from the S-pipe and intake plenum. On the other side of the engine is a 1x2 strut rising from the bearer bar to support the airbox.

This afternoon I pressed the starter button and the engine coughed and sputtered a few times. I tweaked the timing and checked over the vacuum lines and before long it roared to life. I quickly shut it down as I had not yet attached the heater boxes, and it was both stinky and loud in the enclosed space of my garage. Once the heater boxes and muffler are back on and the exhaust safely vented I will be able to spin it up and set the idle and timing in the comfort of my garage, rather than bent over in the cold behind the bus. And when it is finally ready I can bolt it up to the bus knowing it'll be good to go with a minimal chance of complications.

I put up a couple of pics, a parts list and some additional details on the construction of the jig here: http://www.busesofthecorn.com/L-JetronicBenchTest/

Happy Trails,

Greg Potts 1973/74/77/79 Westfakia "Bob The Tomato www.pottsfamily.ca www.busesofthecorn.com


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