TPI swap advice

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May 15, 2024 | 06:42 PM
  #1  
Hey fellas! What are the chances that a stock tpi intake setup will run properly on my 355 sbc with a 280h comp cam, 60cc trick flow heads controlled by a holley efi harness/ecu?

I have a really clean setup sitting on my shelf for a decade....I love the look but have been told to stay carb'd. Just a weekend warrior car, no track or strip.... looking to do something different this year.

Opinions?
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May 15, 2024 | 07:19 PM
  #2  
Re: TPI swap advice
You'll choke it!
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May 15, 2024 | 07:37 PM
  #3  
Re: TPI swap advice
Quote: You'll choke it!
That's the exact same thing I've heard, and the main reason it sits on my shelf.

No amount of porting would help?

I could always get bigger runners, base plenum...but im trying to use what I have.
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May 15, 2024 | 07:46 PM
  #4  
Re: TPI swap advice
This topic has been beaten to death. Do some basic reading and you'll get the idea.

TPI intake will reduce potential max HP by around 8% to 18%. The OEM TPI will be close to 18%. A high performance TPI like ASM will be more like 8%. It will move the torque curve down low and increase max torque though. So if your 355 is capable of, let's say, 350hp, a stock TPI intake will probably bring it down to 285hp.

Here's a good summary:

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May 15, 2024 | 08:34 PM
  #5  
Re: TPI swap advice
Quote: This topic has been beaten to death. Do some basic reading and you'll get the idea.

TPI intake will reduce potential max HP by around 8% to 18%. The OEM TPI will be close to 18%. A high performance TPI like ASM will be more like 8%. It will move the torque curve down low and increase max torque though. So if your 355 is capable of, let's say, 350hp, a stock TPI intake will probably bring it down to 285hp.

Here's a good summary:

https://youtu.be/B3Je1MLTphs
Thanks for the help....on the shelf it stays then.
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