|
|
|
|
Peters Web Site
|
Date: 9-21-2018
|
Number of Hours: 1.50
|
Manual Reference: 9225501-LOG-06.011
|
Brief Description: Firewall Rework
|
|
Well, thank you Vans for such shitty instructions. I spent an hour or so tonight reworking the firewall because of poor documentation.
The plans for the firewall clearly show penetrations for both carburetted and fuel injected engines, with some holes (eg: mixture control and throttle) being in different locations depending on which type of engine you have. Well, since I am having a fuel injected engine then I drilled holes wherever the plans showed penetrations to suit a fuel injected engine.
Then I got the firewall forward kit instructions sent to me.
The new instrucitons, which are not included anywhere else before this point, start out by saying that for a fuel injected engine then you should drill holes wherever the plans show.......unless you are installing an IO-320 fuel injected engine, then drill holes wherever the plans show for a carburetted engine.
Wait, what!!?!
I sent off a message to Vans Support seeking clarity here, and yep, the instructions are right. They acknowledge that the drawings are misleading. Oh for fucks sake.........er, did I say that out loud?
Although the throttle cable penetration is in the wrong spot, they advised that it should still be okay as the correct location is very close.
The mixture control, however, is nowhere near the right spot and must be redrilled down near the bottom skin, under the firewall recess box. Unfortunately the centre of the hole is right on the edge of the doubler plate for the standard fuel pump. Since I'm not installing a standard fuel pump (another poorly documented component - why make you install this doubler plate if you intend fitting a fuel injected engine?), then I decided to drill out all the rivets that hold this plate onto the firewall and do away with it altogether. That way I could drill the hole without having the bit run off centre due to varying thicknesses of material.
Frustrating that I needed to do all this, but I guess I should be thankful it hasn't set me back much timewise. I will now have a couple patc
|
|
The firewall eyeball fitting for the mixture control, on the left, needs to come out
|
|
Removed the standard fuel pump doubler plate so I could drill the new mixture control penetration
|
|
Also finished riveting the cover for the high pressure fuel boost pump
|
|
|
|
|
|
|
|
|
Copyright © 2001-2024 Matronics. All Rights Reserved.
|
