I did find some readings old rolling road pulls. These was made with old setup with old IC, cylinder head and camshaft.
4th gear 80-120km/h =6,1sek (50mph to 74.6mph)
5th gear 80-120km/h =8,3sek (Same like above)
And next was 100km/h to 160km/h
4th gear 100-160km/h =7,6sek (62.1mph to 99.4mph)
5th gear 100-160km/h =9,7sek (Same like above)
Hopefully now little bit faster!!
4th gear 80-120km/h =6,1sek (50mph to 74.6mph)
5th gear 80-120km/h =8,3sek (Same like above)
And next was 100km/h to 160km/h
4th gear 100-160km/h =7,6sek (62.1mph to 99.4mph)
5th gear 100-160km/h =9,7sek (Same like above)
Hopefully now little bit faster!!