Converting 202 to DIS

Converting To Delco ECU From Carby Or Other Injection Systems
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Re: Converting 202 to DIS

Postby inj gtr202 » Tue Aug 08, 2023 2:57 pm

https://www.justraceparts.com.au/jrp-ta ... al-adapter

Will this adapter work to get my Tacho to work on the GTR Dash?

Everything is fine in Tunepro but nothing on the car Tacho

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Re: Converting 202 to DIS

Postby antus » Tue Aug 08, 2023 4:20 pm

It looks right to me. I assume the original tacho is off the factory coil? And you would use this on the digital tacho out from the ignition module? Its not the only way to do it, but the price seems pretty good for an off the shelf aftermarket product.
Have you read the FAQ? For lots of information and links to significant threads see here: viewtopic.php?f=7&t=1396

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Re: Converting 202 to DIS

Postby inj gtr202 » Wed Aug 09, 2023 7:29 am

antus wrote:It looks right to me. I assume the original tacho is off the factory coil? And you would use this on the digital tacho out from the ignition module? Its not the only way to do it, but the price seems pretty good for an off the shelf aftermarket product.


Yes the original Tach is a signal off the coil so worked fine with the old locked Dizzy and module.
Yes I have seen other solutions in the converting to DIS thread but I'm looking for something that I don't have to make and can be easily be replaced or removed. (never know one day it might be a 161S with a carby again).

Thanks again for all the help.

Actually got to drive it up my driveway on the weekend and all seems to work well.

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Re: Converting 202 to DIS

Postby inj gtr202 » Tue Sep 12, 2023 1:23 pm

Had the car on the dyno Saturday.
All running sweet but idle still a bit average.
Considering adding an IAC to improve it.

Happy with the results regardless
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20230909_144005.jpg

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Re: Converting 202 to DIS

Postby antus » Fri Sep 15, 2023 3:00 pm

Nice one! Yes IAC is worth it, especially for cold start where it can add air so the ecm can add fuel, thus its you're choke.
Have you read the FAQ? For lots of information and links to significant threads see here: viewtopic.php?f=7&t=1396

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Re: Converting 202 to DIS

Postby vlad01 » Sat Sep 16, 2023 11:54 am

What cam specs and other engine specs does it have? That's quite a stout result :thumbup:
I'm the director of VSH (Vlad's Spec Holden), because HSV were doing it ass about.

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Re: Converting 202 to DIS

Postby inj gtr202 » Mon Sep 18, 2023 9:01 am

Attached are the Head flow and Cam specs.

The rest of the package is just your standard 202 stuff. Flat tops, Starfire rods, balanced, oil system opened up etc.
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HeadFlow1.jpg
HeadFlow1.jpg (90.21 KiB) Viewed 204 times
Cam.jpg
Cam.jpg (104.88 KiB) Viewed 204 times

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Re: Converting 202 to DIS

Postby vlad01 » Mon Sep 18, 2023 9:53 pm

That's a pretty decent sized cam. :thumbup:
I'm the director of VSH (Vlad's Spec Holden), because HSV were doing it ass about.

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Re: Converting 202 to DIS

Postby inj gtr202 » Tue Sep 19, 2023 8:46 am

vlad01 wrote:That's a pretty decent sized cam. :thumbup:



Hence the need for an IAC :lol:

Cold starts and car parks are definitely not my friend at the moment

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Re: Converting 202 to DIS

Postby Dylan » Tue Sep 19, 2023 10:17 am

A little trick I used to do with very large profile cams, was lean mixture and higher timing. Example, a 308 Holden large solid profile. 15:1AFR and 30 degree timing in those areas. There's some BIN's of mine like this in the custom tune area. That does smooth them out as they're not producing torque when set like that.

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