2017 HD Hood Conversion

2016DenaliGuy · September 13, 2020

1 hour ago, M1ck3y said:

Do you know what the weight difference is? Notice any performance benefit because of the colder airflow or is it purely aesthetic with your truck.

I do not know the weight difference. I believe the HD is steel and the 1500 is aluminum so I'm sure there is a difference. I can tell you that I had the stronger springs from the 2500 installed and the hood pops up very easily.

ScikoticBoss · September 16, 2020

Has anyone done this on the 2019/2020 Trail Boss? Looking to see if the 2500HD hood from 2020 will be a direct swap of hood, minus the springs and few other parts?

flyingfool · September 19, 2020

this would be cool if you could figure out how to make an airbox to pull cold air from the intake in the hood,, like the old lt1 cars did

ScikoticBoss · September 21, 2020

On 9/19/2020 at 9:03 AM, flyingfool said:

this would be cool if you could figure out how to make an airbox to pull cold air from the intake in the hood,, like the old lt1 cars did

Actually one of the guys earlier in this thread did make it work with his CAI he had. He retrofitted his CAI box to work with the seal on the hood.

tmo · September 22, 2020

Actually one of the guys earlier in this thread did make it work with his CAI he had. He retrofitted his CAI box to work with the seal on the hood.

I thought the factory ducting worked with our engines?

Phantom_ss13 · October 17, 2020

On 9/12/2020 at 1:55 PM, 2016DenaliGuy said:

I did this swap as well.

Before

After

Where did you get the parts?

2016DenaliGuy · October 17, 2020

5 minutes ago, Phantom_ss13 said:

Where did you get the parts?

They body shop that did the work ordered them all through a local GMC dealer. All in it was not cheap. I'm not sure how the OP got it all for $800. Hood and all the parts and 3 stage paint and everything was around $2k. I got lucky on it b/c the hood was damaged anyway so I just paid the difference of replacing the stock hood with the HD.

donny15sierra · October 26, 2020

Why did you have to change the hood springs? Would the HD hood just bolt right on to the existing 1500 body? I want to do this soooo bad but I don't want to get all the extras if it isn't completely necessary

DCazares · October 26, 2020

On 3/21/2017 at 4:08 PM, TheGovernment said:

Ok, so I got my good painted (I'm a painter)

And it seems there is some weird thing going on with the part numbers. We ordered new HD springs, the ones listed in the beginning won't fit. The HD hood hinges are longer and the bolt holes are spaced a farther apart than 1500s. It we got in 2 sets with the same part number that are different.... Pretty dumb on Gm's part.

I still haven't got the air box.

Also keep in mind it's not a perfect fit, the HD grills have a slightly different shape at the grill. It's just slight and not really noticeable but it's there if you are looking.

Either way, thanks to the op, it looks great on our trucks, I had lots of people stoping by to take a peek lol

See post above on difference in Springs.

tmo · October 27, 2020

Why did you have to change the hood springs? Would the HD hood just bolt right on to the existing 1500 body? I want to do this soooo bad but I don't want to get all the extras if it isn't completely necessary

The HD hood is heavier and the 1500 springs won’t lift it or keep it up.

bwlaqua · October 27, 2020

They body shop that did the work ordered them all through a local GMC dealer. All in it was not cheap. I'm not sure how the OP got it all for $800. Hood and all the parts and 3 stage paint and everything was around $2k. I got lucky on it b/c the hood was damaged anyway so I just paid the difference of replacing the stock hood with the HD.

He bought all of his parts from GM direct and did the work himself. He also paid $400 to paint the hood.

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