Buliding new headers

I've got to change headers..If I go with a regular type header,what size tubes should I use with a 580+cu.in A-headed engine? I'm really leaning towards building a set of zoomies.Is there any power loss with them? Thanks for any useful advice.

for sure dont use any 1 3/4 muffler shop bent crap lol. I'd think a zoomie would be more at home on a blown application.............if thats what your doing, if not then put a collector on it IMO.

Back when I was getting ready to do mine, I talked with Tim Murphy and asked about the zoomies vs. regular collector headers, and he said that the headers would be better in my application, not sure about an asphalt drag application, but I'd bet that the headers would be the ticket.

I think you guys are right on the headers over the zoomies...but ,dang I think the zoomies would look awesome

they sound like crap IMO......... on anything less than a top alcohol or nitro car.

Can't deny the cool factor of the zoomies. I think now would be a good time to get the blower mounted and then you would have a place for the zoomies.

2 1/4 -2 3/8 out the bottom side of the fender.JMO

cool40 wrote:2 1/4 -2 3/8 out the bottom side of the fender.JMO

x2

Dan you can go to summit or jegs and buy a tube chassis header kit for less than buying all the individual tubes and fit it to your car....

Rear Zoomies???



HAHA

^^^^^^^ winning...............

cool40 wrote:2 1/4 -2 3/8 out the bottom side of the fender.JMO

x2 and I wonder if your headers you have on it were hurting the performance of the bigger engine you had in it.

IDT-572 wrote:

cool40 wrote:2 1/4 -2 3/8 out the bottom side of the fender.JMO

x2 and I wonder if your headers you have on it were hurting the performance of the bigger engine you had in it.

throttle stop headers..................

IDT-572 wrote:

cool40 wrote:2 1/4 -2 3/8 out the bottom side of the fender.JMO

x2 and I wonder if your headers you have on it were hurting the performance of the bigger engine you had in it.

Blake I had the 2 1/4" ones on it ,and it ran exactlly the same?? If this new one don't run any better ...I'm gonna throttle stop the damn thing back to 6.50 to where I don't have to wear all the safety gear!!

the Coug wrote:

cool40 wrote:2 1/4 -2 3/8 out the bottom side of the fender.JMO

x2

Dan you can go to summit or jegs and buy a tube chassis header kit for less than buying all the individual tubes and fit it to your car....

Coug ,I bought a set from Jegs. I'm going to cut the flanges off and put new ones on them. That's a nice header kit they sell.If you have a chassis car or a roadster. They worked real well on mine.

56Tbird wrote:

IDT-572 wrote:

cool40 wrote:2 1/4 -2 3/8 out the bottom side of the fender.JMO

x2 and I wonder if your headers you have on it were hurting the performance of the bigger engine you had in it.

Blake I had the 2 1/4" ones on it ,and it ran exactlly the same?? If this new one don't run any better ...I'm gonna throttle stop the damn thing back to 6.50 to where I don't have to wear all the safety gear!!

Heck yea I remember you telling me that now.................... It's fixin to go, just get ready

I'm gettin ready, the cage is suppose to finished this weekend!!

yeah Dan if I didn't allready have those 2 3/8 I would definitly buy another set of kit headers

Those Muffler shop headers and ProComp parts sure didn't keep it out of the winners circle OR National Dragster.

Build both and when your ready to put the huffer on you can use my D/H intake

Funny thing about those headers...I've had chebbie guys tell me many times that it's the meanest sounding car around. I guess it's something in the flow I just don't think they listen to Fords often enough

YOU WILL LOOSE 40-50 HP ON A N/A @ 1000HP , BUT YOU WILL GAIN IT BACK IN COOLNESS

nuthin cool about loosin power..............

richter69 wrote:nuthin cool about loosin power..............

Been telling the chevy guys that for years, but they just refuse to admit a Ford makes more.

schmitty wrote:

richter69 wrote:nuthin cool about loosin power..............

Been telling the chevy guys that for years, but they just refuse to admit a Ford makes more.

Thats cause them Chevy guys always have them "Cut Back"

BigDave65 wrote:

schmitty wrote:

richter69 wrote:nuthin cool about loosin power..............

Been telling the chevy guys that for years, but they just refuse to admit a Ford makes more.

Thats cause them Chevy guys always have them "Cut Back"

X2 Dave We all know those Chevy guy's have to DEtune their power.