351w swap headers

a91what

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Sep 20, 2019

#1

• Sep 20, 2019

• #1

Ok I need a set of swap headers that will fit with a 4r70w transmission and not hang so low that they hit speed bumps...

 

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2Blue2

will be trying this sex one when I can find it

Mod Dude

Mar 5, 2019

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#2

• Sep 20, 2019

• #2

The Macs fit your description but have never tried em.

We are talking fox right?

FORD MUSTANG 1979-1993 5.8L MAC 1 5/8" CHROME SHORT TUBE 351W SWAP HEADERS

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Was: $359.95
SALE: $341.95
Save: 5%
$18.00
Qty:
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SKU: E358692
MAC 1 5/8" Chrome Ford Mustang 5.8L 1979-1993 Short Tube 351W Swap Headers
Shipping: FREE SHIPPING ON ALL MAC EXHAUST

 

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a91what

SendMeUrDataLog

10 Year Member

Apr 6, 2011

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Hillsborough county

Sep 20, 2019

#3

• Sep 20, 2019

• #3

yes for a fox, I already have shorty headers for a 302 and they will likely work fine with my 351. I was thinking of running a set of longtube or midlength headers..

 

2Blue2

will be trying this sex one when I can find it

Mod Dude

Mar 5, 2019

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Oahu

Sep 20, 2019

#4

• Sep 20, 2019

• #4

a91what said:

was thinking of running a set of longtube or midlength headers..

Click to expand...

Mac again? At least these are bigger tube

FORD MUSTANG 1979-1993 MAC 1 3/4" POLISHED CERAMAC MUSTANG 351W SWAP LONG TUBE HEADERS

Click on image to zoom
Was: $657.95
SALE: $624.95

 

carDaniel15

Member

Sep 7, 2022

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California

May 30, 2023

#5

• May 30, 2023

• #5

2Blue2 said:

Mac again? At least these are bigger tube

FORD MUSTANG 1979-1993 MAC 1 3/4" POLISHED CERAMAC MUSTANG 351W SWAP LONG TUBE HEADERS

Click on image to zoom
Was: $657.95
SALE: $624.95

Click to expand...

do you know where I could find these? I only find them for the 302 and I know mac went out of business 4 years ago. Do you remember the part number or something other then the name?

 

2Blue2

will be trying this sex one when I can find it

Mod Dude

Mar 5, 2019

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May 31, 2023

#6

• May 31, 2023

• #6

carDaniel15 said:

do you know where I could find these?

Click to expand...

No, but

I think BBK has Fox body 351 headers.

 

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fords2fast4u

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Mission Viejo, CA

Jun 23, 2023

#7

• Jun 23, 2023

• #7

BBK does sell them: https://bbkperformance.com/pages/search-results-page?q=351 swap

Ford Mustang 351 Swap 1-3/4 Long Tube Exhaust Headers Polished Silver Ceramic 86-93

Free Shipping on Mustang 1-3/4 In. Long Tube 351 Swap Headers - Ceramic (86-93). Order Now and Save!

bbkperformance.com

But what you're asking for, a longtube that doesn't hit speedbumps, could be difficult. How big of a speedbump? is your car lowered? What wheels and tires are you running? Are you using standard or convertible motor mounts to clear the 351 under what hood? (how low is the engine in the chassis?)

I'm not trying to be difficult, but when swapping in the 351 there are bolt-on swap parts sure, but at some point you're going to have to fab and/or flex the parts you have to fit the larger engine in the relatively small space. There's just enough variables here to where I think you're just as likely to bolt it on and be done, versus, needing to have a skilled person mock it up and modify the parts on the car as needed. 50/50 chance IMO. Sorry if that's a pessimistic view!

Good Luck!

 

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AeroCoupe

lube between the nut and the face. I know my lubes

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#8

• Jun 23, 2023

• #8

Headers for the 351W in my T-Bird are custom built 1-7/8" primaries into 3-1/2" collectors and are tucked up under the car as high as he could put them. The car has coil overs so its pretty low and every once in a while the exhaust drags but its mostly the 3-1/2" X-Pipe that gets it. I will tell you that having a tubular k-member helps things tremendously with long tubes.

 

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fords2fast4u

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#9

• Jun 23, 2023

• #9

Key words in Aero's post were "custom" and "tucked up under the car as high as (possible)" - that's what I was trying to say. For this specific ask, I think whoever does the work is going to have to bend metal to achieve the desired outcome. I doubt an off-the-shelf part does the job.

I'm from Sapulpa originally - small world!

 

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AeroCoupe

lube between the nut and the face. I know my lubes

Founding Member

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#10

• Jun 24, 2023

• #10

I’m in SW Jenks so nearly Sapulpa.

The guy that built my headers used a mandrel kit and I had them jet hot coated along with the x-pipe and MAC 3” car back.

 

Last edited: Jun 25, 2023

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revhead347

Apparently my ex-husband made that mistake.

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Acworth, GA

Jun 25, 2023

#11

• Jun 25, 2023

• #11

BBK longtubes generally have the better quality, and better clearance with stuff like steering shafts. They tend to have the best road clearance, but the sacrifice is they have the worse transmission clearance. Ask me how I know. Everything is a sacrifice.

Kurt

 

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