Bottleneck fix w/ pictures - Page 3 - Dodge SRT Forum
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post #31 of 47 (permalink) Old 01-31-2013, 12:01 AM
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So what exactly does this mod do for the car?
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post #32 of 47 (permalink) Old 01-31-2013, 08:32 PM
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Re: Bottleneck fix w/ pictures

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Originally Posted by dreamkreationz View Post
So what exactly does this mod do for the car?
It frees up a butload of fuel volume.

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post #33 of 47 (permalink) Old 02-05-2013, 09:42 PM
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So do you leave the sock off the canister or do you put it back on after you make sure the pump is in right?

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post #34 of 47 (permalink) Old 03-19-2013, 10:23 AM
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Quote:
Originally Posted by Reao View Post
So do you leave the sock off the canister or do you put it back on after you make sure the pump is in right?
Yes, I was just told that you put it back on.

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post #35 of 47 (permalink) Old 05-02-2016, 03:45 PM
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Is there I detailed how to on just a bottle neck fix? I'm putting a walbro 255 in my stage 3 car and all I want to do is install that with the bottle neck fix. I do not plan on doing a return and aftermarket fpr.

I've been searching for a good detailed how to on that but no luck.
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post #36 of 47 (permalink) Old 05-03-2016, 12:18 PM
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Quote:
Originally Posted by JimmyT View Post
Is there I detailed how to on just a bottle neck fix? I'm putting a walbro 255 in my stage 3 car and all I want to do is install that with the bottle neck fix. I do not plan on doing a return and aftermarket fpr.

I've been searching for a good detailed how to on that but no luck.
The Stage 3 fuel canister has no bottleneck..... Assuming you have that!

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post #37 of 47 (permalink) Old 05-04-2016, 11:06 AM
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Yes I have the stage 3 canister. But that's the very 1St I've herd of that after reading a ton on the Internet. I thought if your fuel needs to go threw the factory fpr then that's the bottle neck also combined with that little white cap in to of the walbro pump. It starts big then narrows right down and very restrictive.
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post #38 of 47 (permalink) Old 05-04-2016, 12:06 PM Thread Starter
 
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Duster360 has a thread that shows how you can use an FPR out of a Corvette to accomplish your goal of using the stock lines. Search for Corvette FPR and you should find what you're looking for. Not my cup of tea, but it seems to work for people.



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post #39 of 47 (permalink) Old 05-23-2016, 02:23 PM
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This mod was a giant pain in the ass.....and 100% worth it. Before, the bottleneck was starving my car on E85 and AFRs were far, far too lean. Now they are on point, and at a lower fuel pressure than stock! The car runs like a scalded dog with no knock. This setup will likely have enough fuel for big turbo once I'm ready to do that.

Thanks for a great write-up!

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post #40 of 47 (permalink) Old 06-28-2016, 06:53 PM
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Do you just dump the return line back into the canister or does it have to connect to something? And do you need to run an external fuel filter with this mod instead of the sock? Or am i miss understanding what your doing with removing it?
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post #41 of 47 (permalink) Old 06-29-2016, 08:58 AM
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return dumps into the canister

yes an external fpr is needed (your plugging/bypassing the factory one), some like return lines but i'm going with the corvette fuel filter..

i ran out of fuel on e85 @ 400hp/450tq, and i'm trying to reach the magic 500
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post #42 of 47 (permalink) Old 06-29-2016, 01:18 PM Thread Starter
 
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You don't have to return the fuel into the canister, but it is highly recommended, especially if you're looking for a lot of power.

Yes, you'll need to add an external fuel filter. I've seen the light, get one of the big ones, not the small Russell type fuel filters. I have the Fuelab 6 micron fiberglass setup, which Injector Dynamics recommended.
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post #43 of 47 (permalink) Old 06-29-2016, 01:50 PM
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Thanks, i have the agp return line kit so i have the aromotive fpr and i put it after the fuel rail, so just have the return line go into the canister and thats it just leave it?
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post #44 of 47 (permalink) Old 06-29-2016, 04:17 PM
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So can you not do the bottle neck fix if you don't do a fuel return and new fuel filter?
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post #45 of 47 (permalink) Old 06-29-2016, 10:06 PM
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Quote:
Originally Posted by IVOR View Post
So can you not do the bottle neck fix if you don't do a fuel return and new fuel filter?
If I understand your question correctly I believe the answer is - Since the bottle neck fix removes the pressure regulator in the tank you cannot perform this mod without a return line and external pressure regulator. The only 'filter' in the stock system is that pad looking thing attached to the bottom of the pump. Most people performing this mod are doing so because of fuel requirements for more power. So why take the chance not having a good filter and clogging up an injector or 2 thereby damaging the engine.
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