70 Double Blown GTO
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Uploaded by Pontiac462 on Aug 26, 2007
My 1970 GTO with two blowers. It's 474ci Pontiac engine with a 8-71 blower on top of a 6-71 blower. This is from the last day of being double blown. I'm going to one single 8-71 blower and going racing. The front clip was removed to make it easier to work on. The reason for the double blowers was not as a power enhancement like many ASSume. I stacked the blowers to have a car that stood out in the crowd. Most Pro Street cars were starting to blend together. If you seen one, you had seen them all. That wasn't the case with this GTO. Al someone had to say was "The double blower GTO" and people knew which car. I was told it couldn't be done, so I attempted it and it worked. It stayed that way for almost 2 years. I knew a twin turbo setup would make more HP. I knew I could have run a 14-71 blower and made more power. That wasn't the point. I wanted to be different than the other cars in the parking lot, I did that now it's time to ove on. For all those people who don't understand why, I'm not going to try and explain it to you anymore. Get over it. I didn't expect EVERYONE to love it. But you won't forget it.
- 1,003 likes, 65 dislikes
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Uploader Comments (Pontiac462)
Top Comments
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do you think each time he fires up that vehicle, he silently whispers... "America"?
2 months ago 4
All Comments (1,117)
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That's one car I would've loved to see in the flesh! It nice to see something different.
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BAD ass...all I can say.
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My blown 502 with only 730h.p. seems wimpy now :
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so hardcore my blower needs a blower
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@silentsmokey I think he yells it. LOL
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Damn
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Officer, it's stock..
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I realy love that idle
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Well that made me cry!
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thanks for been and doing different bro we need more people like you
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did the butler boys build this engine???
r3dph0n3 2 months ago in playlist cars
@r3dph0n3 No, they didn't.
Pontiac462 2 months ago
Pontiac462...are u goin to norwalk this year??
TheDman171717 7 months ago
@TheDman171717 I may be going, but I don't own the GTO anymore. I have a bracket racing Lemans that I have owned for a long time that I may take out there.
Pontiac462 6 months ago
Do you get a lot more boost compared to just one blower or just 1 or 2 psi more?
The reason I ask is because the bottom blower has to get to get all it's air through the top blower, that would help with clearance leakage I think. It just seams that it would make more boost if they were mounted side by side, each with there own air supply blowing into the intake.
1SixpenceFan 10 months ago 2
@1SixpenceFan The amount of performance would be higher if they were mounted side by side.... but then you wouldn't be able to see ANYTHING. I stacked them to allow for "some" visability. The car was street driven for several years as you see it. I didn't stack them for a performance reason, it was done to be DIFFERENT.
Pontiac462 10 months ago 7