Headers and exhaust for '74 CIS, 2.7?

[porsche_virus]

I'm getting frustrated by the "Flaumeister" threads because I've looked all over the Summit Racing site and they offer NOTHING for Porsches. They only sell:

FORD "Fix Or Repair Daily"

GM "General Malfunction"

PONTIAC "People On Narcotics Think It's A Cadillac"

CHEVROLET "Cheap,Hardly Efficient,Virtually Runs On Luck Every Time"

CHRYSLER "Company Has Recommended You Start Learning Engine Repair"

DODGE "Drips Oil, Drops Grease Everywhere"

I do not want to have to custom weld anything.

All I want is cheap headers and a loud-ass racing-type exhaust for my '74. It's got to be dual in, single out. If anyone has suggestions and a link to where I can find it, it would be greatly appreciated.

I've just sold my SSI's and stock banana muffler, so I'm looking for a good header/muffler combo. I've found headers and "test pipe" from Bursch, but they're only listed from '75 on...not '74. What's the deal? Aren't the bolt patterns the same from a '74 and '75 2.7?

[al lkosmal]

If interior heat is not a requirement I'd go with Bursch headers and muffler. Relatively inexpensive way to go. Pelican can supply them, i think. A bit more cash gets you SSI's and Dansk and on and on.

Al
77 911S
ex Bursch - currently SSI w/Dansk sport dual-in, single-out

[jluetjen]

All I want is cheap headers and a loud-ass racing-type exhaust for my '74. It's got to be dual in, single out.

I've just sold my SSI's and stock banana muffler,

It's funny - performance wise you had the best exhaust design out there and you sold it! SSI's are headers (with heat too!) and the best performing single out muffler is the stock. The "headers and test pipe" for the '75's are merely a crutch to try to make up for the fact that pollution controls won't let the '75 and later cars run the early style exhaust that you had and sold. If you want cheap noise, gut the inside of the stock exhaust. You yeah -- you sold that! (?)

BTW; Why are you shopping at Summet? (Great company - I've bought stuff there too. But strictly Detroit Iron. 911 engines are neither -- made in Detroit nor Iron.)

[porsche_virus]

Ok. My heating system has never worked, nor do I care to drive this car when it's 10 degrees below and icey. I'd rather be without the entire heating system, save some weight, and get better engine cooling by putting the block-off plates on the engine shroud, while at the same time getting a more throaty exhaust note.

[RallyJon]

Cheap headers:
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=2403813324

[Superman]

I can understand some of your reasons, and perhaps your old system was not in good shape, but you just sold the finest exhaust system Porsche ever put on a factory car. The '74 system was made with stainless steel SSIs. Pre-74 units were mild steel, and post-'74 units were not equal-length SSIs.

[jluetjen]

As far as heat/no heat -- as I'm considering the headers for my race car project I'm also considering the benefit of having a working defroster (ie. heat exchangers) in a race car when it rains. The incremental weight is pretty slight (especially considering my class's 2100 lb minimum). The competative advantage of being able to see in the rain would be priceless.

Anyone race a 911 in the rain? Do they fog up?

[Superman]

I'm going to autocross my 911 in Bremerton tomorrow. I tend to leave the engine running quite a bit. Heat helps fight fogging glass.

[Paul Thomas]

I haven't raced my car in the rain, but i have headers and drove it pretty hard in the rainy moutains last fall. I worried, before we went out, that it might fog up but had no problems what-so-ever. One thing you realize about a 911 in the rain is that the gutters do ALOT. I could roll the window half way down and not get wet.

If anyone is interested, i have a set of equal length headers and muffler adaptors that i am about to sell. I am not sure of the manufacturer, but they are identical to mine, which i purchased from AJ-USA. They are 40mm ID (1 5/8"). I just sand blasted them and coated them with a high temp coating that POR makes.

Paul

[Bill Verburg]

For those of you that doubt that ssi are true headers, here is a pic posted the other day.


The weight of the heat jackets is minimal. Heat on a dewy evening/morning, priceless!

[speeder]

I saw your(Porsche virus) thread the other day and thought of responding, but too late now I guess. SSIs ARE headers, best ones out there for your car, and heat issues are easy to fix. Any chance you can buy them back? Anything else is going to be a step down. And it does not have to be 10deg. below to be cold in the car. And you live in Kansas! Unless it's going to be a race-only car, you need heat/defrost.

You could switch your stock muffler for a Dansk 2 in/1 out sport model for a little sound, but performance-wise you are about to go backwards. Sorry.

[rfuerst911sc]

P-Thomas,I sent you a PM.