Re: What happens if I don't use an IAC system
Posted: Tue Sep 09, 2014 9:04 pm
yeah sort of, except the ones I seen are plastic and don't have an adjustment screw.
How about this one
http://www.lpgshop.co.uk/brc-step-motor/
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What happens if I don't use an IAC system
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Re: What happens if I don't use an IAC system
Posted: Tue Sep 09, 2014 9:36 pm
Re: What happens if I don't use an IAC system
Posted: Tue Sep 09, 2014 9:41 pm
I know I just made 1 up 10+ years ago to work as factory on my twin throttle gas research setup & I just butchered a standard IAC housing & tapped barbs into it & had 1 on fresh air side & 1 on manifold side & just ran factory VR-VS V8 Auto computer!
Re: What happens if I don't use an IAC system
Posted: Tue Sep 09, 2014 9:45 pm
Dazza92VP wrote:How about this one
http://www.lpgshop.co.uk/brc-step-motor/
thats the one!
Re: What happens if I don't use an IAC system
Posted: Tue Sep 09, 2014 10:59 pm
yeah they look about right, im sure the first one will appeal to vlad01, thats his favourite ebay seller 
Re: What happens if I don't use an IAC system
Posted: Wed Sep 10, 2014 7:30 am
I just recall seeing a few in my Trademe/eBay travels when I was looking for the same thing due to having a four barrel throttle body with no provision for one. I ended up machining the throttle body but I did come across one or two that would have worked in a hose - maybe factory BMW or something like that rings a bell?
The one above would do the trick anyway, I'm late to the party
The one above would do the trick anyway, I'm late to the party
Re: What happens if I don't use an IAC system
Posted: Wed Sep 10, 2014 9:26 am
You can use a Bosch 0280140164 Auxiliary Air Valve .I used it on one of the delco jag v12 conversions worked fine you can get a bit more idle control by using the idle ignition advance it seems the factory setting for idle advance tappers off the advance as manifold vac drops, where if you have it increasing as manifold vac drops it can catter for ps pump loads and alternator loads much better .
Using the wax pellet on the throttle body probally not as good as aux air valve as it moves the throttle position thus taking it out of idle mode .
On the jag engine there is 700 rpm difference between idle at 10deg btdc and 25 btdc just make sure the full load advance at idle is not too much.
Using the wax pellet on the throttle body probally not as good as aux air valve as it moves the throttle position thus taking it out of idle mode .
On the jag engine there is 700 rpm difference between idle at 10deg btdc and 25 btdc just make sure the full load advance at idle is not too much.
Re: What happens if I don't use an IAC system
Posted: Wed Sep 10, 2014 9:34 am
haha dont get me started!Holden202T wrote:yeah they look about right, im sure the first one will appeal to vlad01, thats his favourite ebay seller
Re: What happens if I don't use an IAC system
Posted: Thu Sep 11, 2014 5:35 pm
Thanks heaps. I have a couple of friends in the LPG business and am sure to be able to source one now I know what I am looking at. The car already has a cold start/rum fast idle system but it would be nice to use a more modern system.