equal lenght headers

[jpv]

anyone knows any equal lenght exhaust headers for a 69'GT Junior LHD with floor pedals?

[JoeCab]

Paul Spruell's Tri-Y headers come to mind. Great for the track, not so good for the street.

http://www.paulspruell.com/motorspor...raceparts.html

Joe

[Wil Painter]

I'm very happy with my Paul Spruell headers (vintage racing application, not street). I have a (1972) 2L in a LHD 1966 GTV with 1969 floor pedals. My engine may be taller than yours, I would correspond with Paul to confirm fitment. http://www.paulspruell.com/
Good Luck,
Wil Painter

[jpv]

no problem there Wil, it's also got a 2 liter engine.

But it's more for a street/track day aplication... The Paul Spruell doesn't work well for street? why? emissions?

[JoeCab]

Quote:

Originally Posted by jpv The Paul Spruell doesn't work well for street? why? emissions?

[jpv]

what did you do to make them fit?
Are they equal lenght? never saw one of those, anyone has pictures?
Is that the same header ClassicAlfa sells?

http://www.classicalfa.com/shop/category14_1.htm


Thanks for the info!

[JoeCab]

We have the GTA exhausts in stock at Centerline - it looks like the same system available at Classic Alfa. IMASAF makes a great product. We also have a header specifically for a 2 liter that mates to the standard GTV Exhaust.

http://www.centerlinealfa.com/new/headers.html

We had to do 2 things to make the GTA header fit a 2 liter:

1) Space the headers away from the block with 1/2" spacers (we keep them in stock)

2) Heat and bend the header pipe where it curves under the chassis. This is due to the 2" difference in height between a 1600 and a 2 liter. You may not need to bend it as much as I did if you have floor pedals.

Joe

Top Photo=GTA Repro Headers Bottom Photo=Centerline 2 Liter Headers

[Gary Williams]

I have the Spruell headers on a '67 GTV with high performance 2L engine. It's mainly an enthusiastically-driven street car, though the head has big valves and is ported and polished, I'm using DCOE 45's, hot cams, an aluminum flywheel, high compression pistons, etc. The specs are at www.greend.com.

Friends told me the headers would be a waste of money, but I've always wanted cool looking headers, so I bought them anyway. In short, they were a waste of money and the cause of much trouble. My friends really were friends; I just didn't listen.

The headers were not welded correctly when manufactured so we could not bolt them in. It took weeks to get them repaired. While they were at Spruell's I had plenty of time to break in the new engine with the stock cast iron headers.

Now, having run the same engine with stock and Spruell headers, I find:
1. No discernable power increase. I shift at 7,000 rpm, but don't sustain that engine speed. Maybe that's why these headers don't seem
to make a difference.
2. The Spruell headers are noisier than stock.
3. They are more prone to cracking and working loose than stock headers, and are more difficult to seal against the head than stock headers.
4. The Spruell headers generate tremendous heat in the engine compartment. That's great if you want to bake a chicken while you drive, but I've already had to replace the brake master and switch to expensive high temp brake fluid because of that heat. And my new speedo cable has had the outer covering burned off by the heat. I'm now using insulation around brake lines, steering box, and speedo cable to try and control the heat -- all for no noticeable gain in power.

Why do I leave them on? Because to take them off means more money at the muffler shop ... and I'm stubborn. Having spent so much time and money to put them on -- not to mention the emotional energy expended when dealing with the manufacturer -- I'm loathe to give up easily.

Gary W.

[universible]

Talk your son into coming over to remove them...then ebay!



Ted

[JoeCab]

Quote:

Originally Posted by Gary Williams The Spruell headers generate tremendous heat in the engine compartment. That's great if you want to bake a chicken while you drive, but I've already had to replace the brake master and switch to expensive high temp brake fluid because of that heat.

[genericwood]

Gary, I'd be happy to trade you a nice stock manifold for your Spruell headers. I'll even pay to have a muffler shop make the swap

Seriously, I doubt any of us are sensitive enough to power changes to be able to recognize anything under a 5% change. I'm told you can get quite a bit of change just with temperature and humidity. The only way to know for sure is to compare dyno runs. But that gets as expensive as the headers!

Erik

Quote:

Originally Posted by Gary Williams Why do I leave them on? Because to take them off means more money at the muffler shop ... and I'm stubborn. Having spent so much time and money to put them on -- not to mention the emotional energy expended when dealing with the manufacturer -- I'm loathe to give up easily. Gary W.

[Gary Williams]

Quote:

Originally Posted by genericwood Gary, I'd be happy to trade you a nice stock manifold for your Spruell headers. I'll even pay to have a muffler shop make the swap Seriously, I doubt any of us are sensitive enough to power changes to be able to recognize anything under a 5% change. I'm told you can get quite a bit of change just with temperature and humidity. The only way to know for sure is to compare dyno runs. But that gets as expensive as the headers! Erik

[genericwood]

Gary, clearly the trouble you put into the headers and everything else (i.e. air box!) was worth it. Your engine looks great!

Erik

[Biscione]

Gary,

The next Magnaflow Dyno Day scheduled in October should be a good opportunity to get some hp data......hope you can make it.

Biscione

[Gary Williams]

I look forward to hearing when that dyno date will be. If the engine still isn't up to where it should be this time around, can I apply a fisherman's fudge factor when talking about the engine's horsepower?

GW