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looking for opinions.



cvilla690 said:
I was actually thinking...now bare with me, I love the flush finish look for this scoop...but. I was actually wondering if placing steel runners on the scoop itself would be a stronger bond. Kinda like molding them around the scoop and then riveting to the hood itself.

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Its really not the bond strength that is the issue, I have never seen a bonded scoop get loose if done properly. They just crack at the transition between unlike materials, over time.

Bonding a metal outline to the scoop and riveting that all to the hood would limit cracking to the scoop itself, true 'nuf. Might be ugly enough to make a train take a dirt road, though.

Something I have considered making is this, with my old 40th scoops:

A rain tray that mounts to the engine cover brkt, and directs drainage out over by the front of the trans while directing air around the SC. Then, make the 'glas scoop your lid and just trim the hood neatly, bracing and all. It could be done in aluminum or steel or even fiberglassed cardboard lol. Many options if fabrication enters the room. But I always thought that in this scenario, making the scoop just stick thru the hood skin is cool because then you have a "shaker" so to speak. And thats Pontiac. The edge of the opening could be rolled over for strength, but the scoop would help support the cut edge somewhat. Thick rubber seal between scoop and hood and you're home free. Imagine how cool that would look with hood open.

Just another couple pennies worth of opinion.
 
idrivejunk said:
Its really not the bond strength that is the issue, I have never seen a bonded scoop get loose if done properly. They just crack at the transition between unlike materials, over time.

Bonding a metal outline to the scoop and riveting that all to the hood would limit cracking to the scoop itself, true 'nuf. Might be ugly enough to make a train take a dirt road, though.

Something I have considered making is this, with my old 40th scoops:

A rain tray that mounts to the engine cover brkt, and directs drainage out over by the front of the trans while directing air around the SC. Then, make the 'glas scoop your lid and just trim the hood neatly, bracing and all. It could be done in aluminum or steel or even fiberglassed cardboard lol. Many options if fabrication enters the room. But I always thought that in this scenario, making the scoop just stick thru the hood skin is cool because then you have a "shaker" so to speak. And thats Pontiac. The edge of the opening could be rolled over for strength, but the scoop would help support the cut edge somewhat. Thick rubber seal between scoop and hood and you're home free. Imagine how cool that would look with hood open.

Just another couple pennies worth of opinion.
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No doubt man! Plenty of good advice through and through. I like the shaker idea a lot only maybe not for this particular scoop. I have to wonder if an old 442 shaker style would be better. Never the less I'm planing on making it functional so the cold air can have max air flow. I'm honestly wondering if I'm thinking it over too much. I love the rivet look though lol. My car is black so I think it'll look great!
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Any answer is a wild guess, too many variables. A year or two if you keep it inside. Thermal cycling is the killer because the two materials react so differently to heat. Scoops that have to be clamped during bonding due to fit are worst. Once cracks appear, a second repair there may last some longer.
 


idrivejunk said:
Any answer is a wild guess, too many variables. A year or two if you keep it inside. Thermal cycling is the killer because the two materials react so differently to heat. Scoops that have to be clamped during bonding due to fit are worst. Once cracks appear, a second repair there may last some longer.
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Very true man. I'm definitely going to go with a second junker hood to do the work on. That way I don't ruin my perfect hood. And I really don't mind messing one 70 dollar scoop up. Practice makes perfect like they say!!!

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cvilla690 said:
No doubt man! Plenty of good advice through and through. I like the shaker idea a lot only maybe not for this particular scoop. I have to wonder if an old 442 shaker style would be better. Never the less I'm planing on making it functional so the cold air can have max air flow. I'm honestly wondering if I'm thinking it over too much. I love the rivet look though lol. My car is black so I think it'll look great!

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Hey if that look goes on your car, I got no problem with it. I have to go through tons of overthinking to arrive at simple but solid decisions all the time.

On the 442 thing, the W-30 hood or whatever, yeah those are nice too. I did not get a positive scrap of feedback on using a GTO one though. Ha, read this-

http://www.grandprixforums.net/threads/88421-GTO-scoop
 
EHB said:
well that's discouraging...lol
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I bonded two of them ten years ago and neither has negatively affected the 1/4 mile times yet! That may be more reassuring? Both owners knew the risk and both are satisfied with their hoods to this day. But old cars have cracks here and there, lol.
 
cvilla690 said:
Very true man. I'm definitely going to go with a second junker hood to do the work on. That way I don't ruin my perfect hood. And I really don't mind messing one 70 dollar scoop up. Practice makes perfect like they say!!!

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Very much so. Once folks pick up on welding, fiberglass, and basic fab, the walls fall down and just about anything becomes possible. None of it is terribly expensive to do yourself, but the idea is not to lose sight of the fact that some bozo can smash it at any time and insurance people don't speak mod. So your labor efforts are at risk, but you can have cooler stuff cheaper DIY.
 
well i'm not planning on logging 1/4 times. i just wanted to maybe expel some hot air out of the engine bay without lookin retarded. i mean a few people in person that i've asked and set the scoops on the hood gave it a thumbs up , but i'm a bit wishy washy on it. could be because they're primed black and the cars redfire metallic so it makes em really stick out. maybe when they're painted the color of the car they won't look so outta place to me.
 


idrivejunk said:
Very much so. Once folks pick up on welding, fiberglass, and basic fab, the walls fall down and just about anything becomes possible. None of it is terribly expensive to do yourself, but the idea is not to lose sight of the fact that some bozo can smash it at any time and insurance people don't speak mod. So your labor efforts are at risk, but you can have cooler stuff cheaper DIY.
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Oh no doubt!!! But that's the life right. Built it race it break it repeat! Lol

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idrivejunk said:
Hey if that look goes on your car, I got no problem with it. I have to go through tons of overthinking to arrive at simple but solid decisions all the time.

On the 442 thing, the W-30 hood or whatever, yeah those are nice too. I did not get a positive scrap of feedback on using a GTO one though. Ha, read this-

http://www.grandprixforums.net/threads/88421-GTO-scoop
Click to expand...
Dude that 66' scoop looks badass! And that would be perfect for the shaker application!

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I guess. Hell if you really look at the picture the holes on the scoop are nearly identical to the top holes on the grille!

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Well I'll be. Maybe timing was my issue, lol. I was thinking to myself what if a guy just cut holes for another set of GP grilles in the hood and made the drip tray? From the oncoming angle, it might work. Another noggin-scratcher. I need to do some photo editing and re-visit the hood ideas.
 


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