Efi vk motor installation

Engine discussion.

Efi vk motor installation

by Mtb2rusty » Sat Sep 05, 2015 10:07 am

Hi all I am able to get ahold of a vk efi motor for $1500 that a guy fully rebuilt. I've seen the receipts (matching engine # on receipts) - the blokes son smashed the vk
My 149 is getting bit smokey and I am thinking of getting the motor and doing the swap.
My question to you guys is. What work is required?
I am willing to sacrifice the efi and just convert back to carby if it's too involved
Don
 
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Re: Efi vk motor installation

by Harv » Sat Sep 05, 2015 10:32 am

G'day Don,

Need to be a little careful going form 149 to a VK 202. Some rego authorities will OK it, others will require an engineer's certificate. The NCOP guidelines allow you to increase power by 20% without engineering. The HD 149 was good for 75kW, whilst the VK 3.3L EFI motor had 40% more power (106kW). Engineering can be a right proper pain - seatbelts, two speed wipers, demister, collapsible column etc.

Cheers,
Harv
 
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Re: Efi vk motor installation

by Mtb2rusty » Sat Sep 05, 2015 12:06 pm

Ok thanks Harv
By that I should only have a max 90kw engine then so A carby black motor has 86kw so I should get away with converting to carby.
Am I in the right track
 
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Re: Efi vk motor installation

by utility8 » Sat Sep 05, 2015 4:47 pm

Great conversion. I did the VK black head & injection onto a red 202.
As Harv mentions, worth some research into the legality of the 202 upgrade with state rego authority.
Check out this link for the build.
viewtopic.php?f=12&t=6535&hilit=WRS
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Re: Efi vk motor installation

by Harv » Sat Sep 05, 2015 4:58 pm

Mtb2rusty wrote:Ok thanks Harv
By that I should only have a max 90kw engine then so A carby black motor has 86kw so I should get away with converting to carby.
Am I in the right track


I'd talk it over with your rego authority. It would be a shame not to use the EFI if they will let you do so without engineering. Some rego authorities also get bent out of shape about the capacity change of 149 to 202).

Cheers,
Harv
 
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