header on Opel 2.2 engine

[MarkRHayes]

Just bought a 2.2 liter opel engine to install in my 72 opel GT. i wanted to use a header instead of the exhaust manifold but was told that there weren't any available from Opel. Or at least any affordable ones. Has anyone else heard this and is there a solution out there?

[GTJIM]

1) Find a used set

2) Build one for yourself

3) Get someone to build one for you

4) Use the standard exhaust manifold - they are pretty good.

[tekenaar]

Mark,
Bought a Pacesetter 4-into-1 GT header many years ago and originally meant for my 2.4 GT project . . . still not finished. Port matched it and had it Jet-Hot coated and then was not satisfied with the final fit to the head . . . the spacer tabs were welded in the wrong place for good contact with the center four shared mounting bolt washers, the most common problem with US Opel CIH headers. So I used a much modified, stock '75 cast iron Sprint manifold instead and the header became garage wall art.

A couple of years later, I was bored and decided to fix the header's mounting problem. I ground off the existing header spacer tabs and machined washers of the proper thickness for replacement. I cut these washers in half and welded them in place using an old head as template. That brings us to today . . . header's been decorating my garage wall since and I am so pleased with my Sprint manifold modifications that I'm not going to change it.

The gist of it is this, I'd be willing to sell it but it's not going to be cheap. I want to recover a good part of my considerable costs into this header. I can confidently say that this header is completely ready to bolt up. Anyone interested should contact me privately by e-mail or PM.

[ConreroGT]

What did you modify on the Sprint manifold? That's what I use on my 2.2 head in stock form.

[tekenaar]

Originally Posted by ConreroGT What did you modify on the Sprint manifold? That's what I use on my 2.2 head in stock form.

Here's my Sprint exhaust manifold mods . . . except on the 2.4 I didn't cut and grind the cast triangular projection on the center siamesed pair, but used it to mount my FI heatshield.

[neuropel]

So Otto, are the mods limited to removing the webbing from in between the runners to save some weight? Are there other advantages?
Todd

[tekenaar]

Originally Posted by neuropel So Otto, are the mods limited to removing the webbing from in between the runners to save some weight? Are there other advantages? Todd

Radiates ~30% less underhood heat . . . BIG advantage in GT engine compartment and port matching to head, intake/exhaust gasket used as template for both head and manifold ports. I usually also grind both flange ports on manifold and headpipe flanges to smoothe out exhaust flow transition at manifold and headpipe junction . . . it's the little details, you know!

[tekenaar]

Just thought I'd update everyone here, the header is sold.