I am in the process of bringing to market some new Opel items for performance and racing use. Items currently in development: -turbo exhaust manifold for CIH engines with T25 flange -Opel GT headpipes for use with 2.4 CIH exhaust manifolds, in 2.25" and 2.5" diameters -Opel GT headpipes for...

I've got a 1972 Opel GT stored in my brother in law's shed in Monroe Wisconsin. Its Orange, no significant body damage (or was repaired before I got it in 1986) Its been stored there about 25 years, not running, had critters get in a tear up the inside so needs lots of work. BUT it was a...

just got this car last week direct from new mexico rust free im in jersey so is hard to find a good car without rust i have never own a opel before so the help will be very welcome for now im pretty mutch gonna start to take it apart the interior is shot and all the rubeers by the sun so is...

Looking to start a concise thread on building a street 2.4 head. There are many threads on porting so not looking to duplicate those threads. The goal is what should you be telling your local machine shop to do with these heads? I'll start with the below: standard clean and magnaflux to...

So once again , I am having this issue with Penelope, my Opel GT. I replaced the alternator recently and for awhile the issue went away, the housing was cracked on the old one. I can't find any cracks on this one though. It charges fine at 1000 to approximately 2500 RPM, but above that it stops...