Power Adders Getting a Supercharger or Turbocharger? Thinking about using Nitrous? All forced induction and N2O topics discussed here.

Sledgehammer plate

Old Jan 13, 2019 | 12:36 PM
  #1  
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Sledgehammer plate

More pieces of the combo are coming together!

I finally got a slightly used sledgehammer plate.
Its made by Induction Solutions and has capacity to spray 150 to 600hp shot of nitrous.
Probably only use a max of 300hp shot.
I have to paint the solenoid bracket
https://ibb.co/JKhbF3Y


It's going on a sbc 421
https://ibb.co/Rhcz9SZ

Can't wait for spring!
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Old Aug 11, 2020 | 12:27 AM
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Car: '91 GTA
Engine: 421sbc
Transmission: Powerglide
Axle/Gears: Ford 9" with 3.89
Re: Sledgehammer plate

I finally got to spray my combo this past weekend.
Used the 150hp jetting.
Did a personal best of 6.31@111.77 in the 1/8th.
1.46 60 ft on that pass
I had a ramp in it because the traction wasn't great and I was spinning

That pass would roughly equate to a 9.90 quarter mile

I'm pumped for the next outing !
More spray to come!
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Old Aug 11, 2020 | 08:51 AM
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Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: Sledgehammer plate

Awesome! Combo is moving for a 150
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Old Aug 11, 2020 | 09:05 AM
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Car: 1987 IROC-Z
Engine: 406 on N20 w/ EFI
Transmission: P.B. 700R4
Axle/Gears: 12 bolt w/ 3.91
Re: Sledgehammer plate

Very awesome. Good stuff dude. I have been curious about what plate to buy for my 150-250 shot that I’m installing this winter on my 406. I’m going to do some research on this sledgehammer plate Keep us posted and pics are always great too
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Old Aug 11, 2020 | 09:59 PM
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Engine: 421sbc
Transmission: Powerglide
Axle/Gears: Ford 9" with 3.89
Re: Sledgehammer plate



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Old Aug 12, 2020 | 05:01 AM
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Car: 1990 Trans Am GTA
Engine: Turbo 305 w/MS2
Transmission: 700R4
Re: Sledgehammer plate

Nice freaking launch. She rips...

- Rob
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Old Sep 8, 2020 | 12:26 AM
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Car: '91 GTA
Engine: 421sbc
Transmission: Powerglide
Axle/Gears: Ford 9" with 3.89
Re: Sledgehammer plate

Update on the 150 shot with the plate
Went 6.07@112.9 with a 1.33 60ft with no ramp

Then with a 200 shot with a ramp of 60% out of the hole went
5.91@115.9 with a 1.3 60ft

Then a 250 shot with a 50% ramp went
5.72@118.9 with a 1.28 60ft

Super happy with this combo and the nitrous plate
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Old Sep 8, 2020 | 10:40 AM
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Car: 1987 IROC-Z
Engine: 406 on N20 w/ EFI
Transmission: P.B. 700R4
Axle/Gears: 12 bolt w/ 3.91
Re: Sledgehammer plate

awesome!!
jealous!
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Old Sep 13, 2020 | 08:23 AM
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Re: Sledgehammer plate

knocking on the 8's! that 5.72 pass probably would have been really close.
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Old Sep 13, 2020 | 11:09 PM
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Re: Sledgehammer plate

That's a badass car.
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Old Aug 5, 2021 | 10:31 PM
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Car: '91 GTA
Engine: 421sbc
Transmission: Powerglide
Axle/Gears: Ford 9" with 3.89
Re: Sledgehammer plate

Another update!

Went to a quarter mile track
I was scared of spinning, so I was very conservative on the ramp and timing.
Sprayed a 150 shot, using the nitrous controller, I was 50% out of the hole, and increased to a full 150 shot within 1.2 seconds
1.36 - 60ft
6.06@114.7 at the 1/8
9.47@141.1 at the 1/4

Then went to a 250 shot
50% out of the hole, ramped in within 1.2
No 60 ft on the slip!!
5.75@118.6 (I let off at 5.4 seconds as the motor made a weird noise)
Then the throttle cable broke!
Still went 9.64@105

Oh well, I'll get it right at the next test n' tune

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Old Aug 6, 2021 | 01:16 PM
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Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: Sledgehammer plate

Nice job, get it in sooner and them 60’s and 1/8 will come down a lot
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