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Old 07-27-2017, 05:59 PM
rang-a-stang's Avatar
rang-a-stang rang-a-stang is offline
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Join Date: Oct 31, 2016
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What intake should I be looking for (401/ Howell 454 TBI)

I have a 2bbl intake on my 401 right now. Should I be looking for an Edelbrock Performer with EGR, a torquer, or other? I would like the lighter weight of aluminum on my engine and assume I would get a tiny bump in power compared to the old 4bbl iron intake I had before... right? Anyone get through CA smog with an Edelbrock intake and Howell? I assume if I get a Performer I will still need a TBI to Manifold adapter, right?
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Old 08-01-2017, 10:33 AM
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EKWagoneer EKWagoneer is offline
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Performer will work better than the Torker. The Torker is more for high rpm applications. I think there is EGR and non- EGR intakes. Double check before buying.

No clue on CA smog, I've never had to deal with smog and never want to. If you painted the intake and got a CARB sticker for the TBI you could see what happened. Some smog folks are kinda clueless I guess.

Yes you would need an adapter, Performer is 4bbl intake, TBI is two. I don't think they are that expensive and there are some options, so shop around.

I imagine you know that the 454 TB bores are bigger (2") than a small block one (1 11/16" I think) and would probably better suit a 401. The 454 TB is about 600 cfm last I remember.

Hope this helps. Ask more questions if you need to.

Ely
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Old 08-01-2017, 12:48 PM
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rang-a-stang rang-a-stang is offline
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Yes sir! I have my eyes open for a 454 TBI. Perfect feedback. I'll add a Performer to my list of parts to find. Craigslist, here I come!
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Old 09-18-2017, 08:52 PM
yossarian19 yossarian19 is offline
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I've been told by others (no firsthand experience) that for a stock cam 401, the stock intake manifold is just fine. OP seems to have made his mind up, but in case anyone else reads this later...
I can say from experience that you have to open things up a bit to get a 454 TBI unit onto a stock 4 barrel - at least with the adapter I used (holley?) - because the bore spacing doesn't match the funky 4350 carbs that AMC got from Ford.
Die grinder, rotary burr, and sand paper will do it. Looking back, I wish I'd bought a Performer off Ebay but I didn't find any around the time I realized I wanted one.
The weight savings getting it on / off the motor + not having to grind it out make it worthwhile to go aluminum
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