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Old 01-08-2020, 04:07 AM
rvflyerUk rvflyerUk is offline
Join Date: Dec 2019
Location: UK
Posts: 13
Default Inverted Oil Installation

Just wondering if anyone can offer a suggestion or two;

I'm installing christen inverted oil into an Rv7 that has an XP-IO360 with cold air induction.
Issues are that the Vans brackets aren't usable because the inverted oil return line goes to a union to the front of the sump to the right of the starter, preventing the Vans bracket being installed.

Although I have seen the mixture run under the cold air induction spider and above the exhaust, the risk of it being cooked by the exhaust is significant.
A heat deflector attached to the exhaust would probably be insufficient.

Just looking for suggestions on a solution.

Another issue is obtaining an alternate mixture lever from Precisiion Airmotive is proving difficult - they sell it but only through their distributors, but none have any!! I'm also very surprised at the poor support offered by Superior.
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Old 01-08-2020, 04:51 AM
KatanaPilot KatanaPilot is offline
Join Date: Feb 2015
Location: Locust Grove, GA
Posts: 618

We had to make our own brackets. We have a Titan/ECI IO-360 with a Superior cold air sump and full Christen inverted oil system. We have an Airflow Performance (Bendix) servo, not Precision.

Here are a couple of pictures. Hope it helps.

Krea Ellis

Locust Grove, GA
DA20-A1 "Princess Amelia" - gone home to Amelia Island
RV-7A Phase 2
RV-10 under construction at Synergy Air South
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Old 01-08-2020, 06:55 AM
rvflyerUk rvflyerUk is offline
Join Date: Dec 2019
Location: UK
Posts: 13
Default Krea Ellis - reply

Hi Krea,

Many thanks for making the effort to help; However, I have the crossover exhaust from Vetterman which means it will likely cook my mixture cable.

The devil seems to be in the detail of my specific installation. I am about to give up on having inverted oil!
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Old 01-08-2020, 07:13 AM
rvflyerUk rvflyerUk is offline
Join Date: Dec 2019
Location: UK
Posts: 13
Default Oil return line

Hi Krea,

Last question, I looked at you r photos, where does your oil return line enter the sump?
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Old 01-08-2020, 07:59 AM
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vlittle vlittle is offline
Join Date: Jan 2005
Location: Victoria, Canada
Posts: 2,227

In addition to a heat shield, I used 1.4" ID fire sleeve on my mixture and throttle cables. Spruce has it.
V e r n. ====
RV-9A complete
Harmon Rocket complete
S-21 wings complete
Victoria, BC (Summer)
Chandler, Az (Winter)
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