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Alby60 Offline
#1 Posted : Monday, 3 February 2020 9:21:40 AM(UTC)
Alby60

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What is this kit.. will it allow me to fit a vt efi pump to my HZ tonner. where do i get one?
Dr Terry Offline
#2 Posted : Monday, 3 February 2020 9:41:02 AM(UTC)
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The complete VT fuel pump unit is called an MRA (Modular Reservoir Assembly). There are 2 types - with regular & without.

The type with the reg is used for LS1s & the unit without reg is fitted to V6s & Holden V8s because these have the reg on the fuel rail on the engine.

The "kit" you are referring to is a kit which includes a steel ring which is welded to the top of your tank enabling the fitment of the standard Holden MRA to early steel fuel tanks.

Phone me on (02) 9644 2888 & I can fill you in on other issues with your conversion.

Dr Terry
If at first you don't succeed, just call it Version 1.0
HK1837 Offline
#3 Posted : Monday, 3 February 2020 10:18:33 AM(UTC)
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Have a look on the EFI hardware site:

https://www.efihardware....uel-Tank-Conversion-Kits

You can see kits for different height MRA. The 180mm is VE, 215mm is BA and the 310mm is VT-VZ.

For a HZ commercial you are probably looking at the taller one. Which one you use will depend upon what EFI engine you are running as Dr Terry says. I have just had my HK tank modded with one of these kits, I used the late VX to VZ dead head MRA. I had to lower the top of the tank about 20mm around the weld in ring though as it was too tall for even the 310mm MRA but a cab-chassis tank should be OK to just weld it on top.

With the dead head setup I just bought a new VZ fuel filter (which comes with a bracket) and original lines for the tank area. If you are using a VT type it is simpler but you need a return line.

On a tonner though there is enough room directly under the tray above where the old tank was to fit a Commodore sedan tank. The filler can be a bit tricky though. The tank will sit up high right under the tray and it allows you to easier fit exhaust as well. Just use a tank with inbuilt high pressure pump. Bit more fabrication and it also means tank mods to get the filler right, versus using the original tank and putting an MRA in.
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Dr Terry Offline
#4 Posted : Monday, 3 February 2020 1:43:59 PM(UTC)
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I keep all of this stuff on the shelf in Sydney.

Dr Terry
If at first you don't succeed, just call it Version 1.0
HK1837 Offline
#5 Posted : Monday, 3 February 2020 5:40:33 PM(UTC)
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I didn't realise you had this stuff, I just bought the weld in ring kit from EFI Systems without the MRA, and got a high flow Walbro fitted MRA with 255L/hr pump as the standard one would be at its limit at about 450hp.
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Alby60 Offline
#6 Posted : Friday, 7 February 2020 5:27:21 PM(UTC)
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which tank can i fit.. sounds the easiest answer
HK1837 Offline
#7 Posted : Friday, 7 February 2020 5:47:36 PM(UTC)
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I dummied up a VN V8 tank on my HX cab-chassis up hard under the alloy tray. VN V8 tank is not integral MRA but one of the others is virtually the same size with an MRA, can’t recall which.
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If we all had the same (good) taste, who would buy all the Fords?
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