Everything posted by Oilslick
175/70's are about right on 5-5.5" rims. A bit pinched on 4.5's and a bit stretched on 6's. The Dolomite Sprint used 175/70 x 13 on 5.5" rims Steel 13" rims? new Formula Ford rims in 5.5 x 13 are to be had, but at £108 each they are not cheap.
Its not a percentage of the overall weight, its a percentage of the weight over the front axle the momentum of the large mass ahead of the centre of mass. 22ks, give or take 50lbs would give much the same effect as moving the engine back 6 inches and would give a near 50/50 balance. Millions of Ford Kent engines were crossflow
By 1968, 155/80 x 13 radials were a factory fit on the 2 litre engined small Triumphs and an option on the 4 cylinder engines. 186/60 x 13 tyres are almost extinct. 175/70 x 13's are common, the right size and available in performance models. https://www.mytyres.co.uk/cgi-bin/rshop.pl?dsco=110&with_bootstrap_flag=1&s_p_=Summer_tyres&search_tool=&ist_hybris_orig=&x_tyre_for=&tabs=on&m_s=3&rsmFahrzeugart=ALL&tyre_for=&suchen=Search+for+tyres&s_p=&cart_id=42955076.110.32239&Cookie=sea_rd_uk_Google_Search_Brand&sowigan=So&Breite=175&Quer=70&Felge=13&Speed=&Load=&Marke=&kategorie=6&filter_preis_von=&filter_preis_bis=&homologation=