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Author Topic: Max fuel screw location?  (Read 2322 times)

March 23, 2011, 02:01:27 pm

adi

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Max fuel screw location?
« on: March 23, 2011, 02:01:27 pm »
I've been doing a bit of research on tuning my GTD, and until I get a boost guage and EGT guage I'd like to adjust my max fuel screw as I'm aware they run fairly lean as standard. But I'm not 100% sure which is the idle screw and which is the max fuel screw, theres no plastic collars that I can see. Can someone help me identify them so I can have a play with my fuelling and make it go a bit better?
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Reply #1March 23, 2011, 06:35:21 pm

rabbitman

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Re: Max fuel screw location?
« Reply #1 on: March 23, 2011, 06:35:21 pm »
The fuel screw is the lower one.

The search is a really handy feature.
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'82 Rabbit, I put on a euro vnt-15, 2.25" DP, 2.5" exhaust, the result.....it whistled.

I removed the turbo, made a toilet bowl 2.5" DP, the result....it was deafening. Now it has a homemade muffler up front and a thrush in the rear, the result.....less loud.
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Reply #2March 23, 2011, 07:05:41 pm

8v-of-fury

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Re: Max fuel screw location?
« Reply #2 on: March 23, 2011, 07:05:41 pm »
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Reply #3March 24, 2011, 11:48:46 am

adi

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Re: Max fuel screw location?
« Reply #3 on: March 24, 2011, 11:48:46 am »
Cheers for that! How many turns and which way is a good start? I haven't yet got a boost guage or EGT guage so this is all I can do right now
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Reply #4March 24, 2011, 07:43:09 pm

dodger21

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Re: Max fuel screw location?
« Reply #4 on: March 24, 2011, 07:43:09 pm »
What does LDA stand for?

On the Cummins it is called the AFC, air/fuel control.
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