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Discussion Starter #1
I purchased a GFB DV+ and I am preparing to install. If anyone has good instructions or video that would be helpful. My real question is the directions say:

"During assembly, you can choose to install the main piston spring (indicated below by the arrow) or not. Using the spring is recommended because it results in the best possible throttle response and minimum lag on gearshift, particularly on manual cars. This can sometimes result in a slightly different sound from the intake at low RPM, which is no cause for alarm – it’s simply the different way in which the valve works. "

So, what do most of you do? Install the main spring or use OEM spring?

Thanks
Ed
 

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I think most of us used the provided spring. be sure to lubricate the also provided piston. Very easy to do. Also you might want to put a towel or something similar under the work area just in case you drop a tool or screw
 

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When I installed mine, I didn't reuse ANY of the OEM parts, used the spring supplied with the kit. Also, good idea to lube the parts before you put it all together, like the brass piston, O-rings, spring, etc. Another good suggestion to put something under the work area, to catch any parts that might drop, which is highly likely during installation.
 

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Discussion Starter #7
For those of you that installed the heavier main spring that came with GFB DV+ did you get a fault code? The instructions say if I use the heavier spring the ECU "may" produce a fault code P2261. Just wondering what "may" means 20% chance or 80% chance?
 

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I used everything that came in the package, no issues
 

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No faults

For those of you that installed the heavier main spring that came with GFB DV+ did you get a fault code? The instructions say if I use the heavier spring the ECU "may" produce a fault code P2261. Just wondering what "may" means 20% chance or 80% chance?
Piece of cake. Used the new parts. 15 minutes.
best regards
Pete
 

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For those of you that installed the heavier main spring that came with GFB DV+ did you get a fault code? The instructions say if I use the heavier spring the ECU "may" produce a fault code P2261. Just wondering what "may" means 20% chance or 80% chance?
I don’t recall anyone having an issue with the main spring.
 

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Main issues we have doing mods to this car, is dropping tools in the engine bay, and since we don't know where they landed, we always fear that they may have landed on belt or something like that.

Changed oil a week or so ago, mechanic gave in an L key, which I dropped when I installed the DV + 2 years ago.
 

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I think the only problem I've heard about installing the GFB DV+ (other than dropping a bolt in the belly pan) was the electrical DV connector was loose after installation and the owner was unable to use the Cruise Control. He replugged the connector again and problem was solved.
 

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Discussion Starter #14
Thanks guys. I did install Sunday, used all the parts in the package. All went well. No codes and I do notice a difference: don't lose all the boost in between shifts and I don't get that big spurt when the turbo lag kicks in, feels smoother.
 

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I can remember having bought the part before I had even bought the car ....I knew I was that sure a Spider Abarth was coming home. ...ah memories!!
 
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