Hi.
Yes as posted previously the XU1 option included CD Stromberg’s; 150 on the 186 LC and 175 on the 202 LJ. I once owned an LC XU1 that had triple 45 DCOE Webbers on when purchased. I replaced them with CD 175 Stromberg’s, on a rebuilt 186 engine. It had two piece exhaust headers that used to glow dull red after a fast trip home in the night. From memory I used two different camshafts in that engine, initially a long duration one, that was difficult to drive around in urban traffic. I ended up replacing it with a slightly milder duration grind for better everyday tractability, but I can't accurately recall the specific durations. 292 to 272???
Mine had the 3.55:1 final drive that was noisy and I replaced it with a 3.36:1 final drive, it was better for longer distance driving with lower engine RPM. Compared to whats available today the vehicle was very noisy and rough, but it was fun.
I still have the genuine GMH XU1 option manual supplement that includes all of the different specifications. Of interest, one little known difference is that the XU1 had ignition points with higher spring force to reduce points bounce at higher RPM. These could be purchased as a GMH spare part.
I don't have any knowledge of the later versions with blocked off throats. I wonder how they blocked one throat; the 45 DCOE had two butterflies on a common shaft in each throat.
Cheers
Yes as posted previously the XU1 option included CD Stromberg’s; 150 on the 186 LC and 175 on the 202 LJ. I once owned an LC XU1 that had triple 45 DCOE Webbers on when purchased. I replaced them with CD 175 Stromberg’s, on a rebuilt 186 engine. It had two piece exhaust headers that used to glow dull red after a fast trip home in the night. From memory I used two different camshafts in that engine, initially a long duration one, that was difficult to drive around in urban traffic. I ended up replacing it with a slightly milder duration grind for better everyday tractability, but I can't accurately recall the specific durations. 292 to 272???
Mine had the 3.55:1 final drive that was noisy and I replaced it with a 3.36:1 final drive, it was better for longer distance driving with lower engine RPM. Compared to whats available today the vehicle was very noisy and rough, but it was fun.
I still have the genuine GMH XU1 option manual supplement that includes all of the different specifications. Of interest, one little known difference is that the XU1 had ignition points with higher spring force to reduce points bounce at higher RPM. These could be purchased as a GMH spare part.
I don't have any knowledge of the later versions with blocked off throats. I wonder how they blocked one throat; the 45 DCOE had two butterflies on a common shaft in each throat.
Cheers