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Old 01-07-2020, 07:43 AM
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Default Tripower on a 455 in a 2nd Gen TA

Has it ever been done? If so, what modifications need to be made?

I ask because this has always been a childhood dream of mine to build one for my 2nd gen. I can image the shaker hood scoop air cleaner(s) will need to be super low profile and completely custom, and I'd need any early valley pan to clear the early intake. Is there a water neck conversion that I can use?

Just wondering if anyone else has considered and been crazy enough to go through with it.

Just imagine it, shaker trips!

Thanks,
79Poncho

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  #2  
Old 01-07-2020, 08:15 AM
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Well that would definitely have many doing a double take. Never seen that done.
The Shaker is obviously a barrier to make functional. It would be a real challenge to fabricate a pan and adapt it all. I’m a picky guy so to me something like this needs to look good.
Bonding the shaker to the hood is the easy way I’m thinking. I say do it if its a dream, anything is possible.


Last edited by Torquewar; 01-07-2020 at 08:21 AM.
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Old 01-07-2020, 09:30 AM
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We've done it in a 75 Firebird with a flat hood. So it'll fit but like above post no idea how you'd shaker

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Old 01-07-2020, 09:52 AM
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I would start with a full size tri power air cleaner and start cutting

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Old 01-07-2020, 10:36 AM
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You'ed be doing it for looks only, because a Q Jet set up re-jetted with a open shaker will far out power a trip set up with a closed shaker

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Last edited by steve25; 01-07-2020 at 11:35 AM.
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Old 01-07-2020, 11:01 AM
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Quote:
Originally Posted by steve25 View Post
You'ed be doing it for looks only, because a Q Jet set up re-meted with a open shaker will far out power a trip set up with a closed shaker
Do you have actual data to back that statement up? Not sure i believe that

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Old 01-07-2020, 11:27 AM
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Take off the big shaker and use three smaller ones!! That'd be hilarious

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  #8  
Old 01-07-2020, 11:29 AM
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Remote filter with cold air intake. Then duct work to a simple air box for the carbs. Brackets on top of the air box to clamp the shaker on. Double snorkel to the air box would be even better.

Clay

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Old 01-07-2020, 11:41 AM
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When I did such on my 77TA just in regards to swapping from a closed shaker to a open one along with swapping over a rejetted Q jet on the same day at the track made for a .5 change in ET .
The swap over was done on a test & tune day and the car made the second run within 45 minutes of the swap and the day's weather factors had not changed but for a 2 degree increase in air temp.

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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs!
And he was not talking about 1/8 or 1/4 mile ETs!

1) 1940s 100% silver 4 cup tea server set.

Two dry rotted 14 x 10 Micky Thompson slicks.

1) un-mailed in gift coupon from a 1972 box of corn flakes.
Two pairs of brown leather flip flops, never seen more then 2 mph.

Education is what your left with once you forget things!
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Old 01-07-2020, 12:19 PM
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I've thought about such a swap, would be sooo cool!!!

My thoughts are of using a 66 with the 3 big carbs, finging a full size car tripower air cleaner, and going from there. The biggest obstacle, as mentioned above, is getting everything lowered over the carbs to make the shaker work. My thoughts were of leaving the 3 individual air celaners on the carbs...maybe...not sure if that would be best way or not...I am not sure how one large round filter could be done...

Someone would need sheet metal working skills to do this, and make it look nice. Would be the coolest TA, to me...

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Old 01-07-2020, 12:29 PM
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Quote:
Originally Posted by steve25 View Post
When I did such on my 77TA just in regards to swapping from a closed shaker to a open one along with swapping over a rejetted Q jet on the same day at the track made for a .5 change in ET .
The swap over was done on a test & tune day and the car made the second run within 45 minutes of the swap and the day's weather factors had not changed but for a 2 degree increase in air temp.
From our test (done on multiple cars and engines) the tri-power has been worth a tenth vs q-jet and factory intake. So from your testing and our testing the tri-power would be roughly .05 quicker still, potentially anyway.

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Old 01-07-2020, 01:13 PM
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Potential maybe yes, but most cars that I have seen that run a tripower on modified motor are way out of wack interms of there jetting needs and are atleast a full tenth off from how they could perform when jetted right.

There's no doubt that it's far easier just effort wise to get the secondary jetting on a Q jet right, or atleast in the ball park then dealing with the two outside Carbs on a trip set up.

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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs!
And he was not talking about 1/8 or 1/4 mile ETs!

1) 1940s 100% silver 4 cup tea server set.

Two dry rotted 14 x 10 Micky Thompson slicks.

1) un-mailed in gift coupon from a 1972 box of corn flakes.
Two pairs of brown leather flip flops, never seen more then 2 mph.

Education is what your left with once you forget things!

Last edited by steve25; 01-07-2020 at 01:18 PM.
  #13  
Old 01-07-2020, 03:51 PM
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Do a bit of research on airpans. All you would need is a flat airpan with three carb rings.And then figure out a mount for the shaker to sit on the pan.

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  #14  
Old 01-08-2020, 12:20 PM
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Contact this guy. He's a tri-power guru. And I believe his son has tri-power on his TA ?

Jon Havens. jfhavens@sbcglobal.net

He's in St. Louis

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  #15  
Old 01-08-2020, 01:32 PM
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I would imagine that it would be best done as on the average race car with the shaker staying attached to the hood with a plate attached to that the same size as what's needed for the Carb pan plate and then good ole foam to seal it up with some verticle reinforcement stands to keep the foam from blowing out due to ram pressure.

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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs!
And he was not talking about 1/8 or 1/4 mile ETs!

1) 1940s 100% silver 4 cup tea server set.

Two dry rotted 14 x 10 Micky Thompson slicks.

1) un-mailed in gift coupon from a 1972 box of corn flakes.
Two pairs of brown leather flip flops, never seen more then 2 mph.

Education is what your left with once you forget things!
  #16  
Old 01-08-2020, 04:19 PM
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I'm just going to leave this here... yeah, it's Photoshop, but it's also fiberglass.
Should allow room for taller filters too. If finished with an eye for detail, like an
OE looking seal to the hood and how the two halves are mated, it could cause
a lot of confusion. It'd probably decapitate hood birds.

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  #17  
Old 01-08-2020, 10:30 PM
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I have a 66 Tri Power with the 3 big carbs I might put back up for sale. Carbs need completely gone through but the I.D. Tags are still on them. I hear they are worth more than the carbs or close to it.
Not sure what the intake, carbs and tags go for these days, have to research it.

  #18  
Old 01-08-2020, 10:49 PM
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I'd ask in the Tri power section

  #19  
Old 01-09-2020, 03:15 PM
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Quote:
Originally Posted by 79Poncho View Post
Has it ever been done? If so, what modifications need to be made?

I ask because this has always been a childhood dream of mine to build one for my 2nd gen. I can image the shaker hood scoop air cleaner(s) will need to be super low profile and completely custom, and I'd need any early valley pan to clear the early intake. Is there a water neck conversion that I can use?

Just wondering if anyone else has considered and been crazy enough to go through with it.

Just imagine it, shaker trips!

Thanks,
79Poncho
Seen at a cruise-in show at Taylorsville NC a few years ago.
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