I've had 180kmh (about 112mph) out of my Holden 3.8 V6-powered 84 Caravelle
on several occasions, and did not explore further, though there was still
at least 10kmh left. Gearing won't allow more than 200 though, I suspect.
Wait till I have my Subaru EG33 and Porsche trans fitted and I'll see what
it tops-out at.

My 1975 1800, with a 1916 kit, used to hit 140 when overtaking on the flat,
and still accelerating reasonably well; it developed probably a bit over
100hp. Being brutal, my old 1957 with stock split-case trans and
single-port 1600 would easily hit 130 (I pegged the speedo solidly once
coasting down a very long steep hill; somewhere over 100mph).

Yes, I'm a bit of a speed bug.

Andrew Grebneff
84 Caravelle GL V6
69 LHD Kombi-Corvair
75 Kombi 1800 derelict
86 Toyota Corolla DX 1.8 diesel
89 Toyota Corona Select Saloon 2.0 diesel