hmmmnz

ive got a 63 pb velox it has the 162ci (2651cc) motor, some came out with a 201ci (3293cc) motor i want to chuck in a old holden 186 (keeping it gm) from the same age thinking they were similar power, but the holden motor is easier to get bits for, but if i have to get it cert'd any way, then i could go for anything, i didnt really want to go down the v8 route, i also wouldnt say no to a diesel, but im sure that'd open a whole other kettle of fish,

hi guys, new member, i did do a wee search but couldnt find the answer i was after, basically i want to do a engine swap on my velox, im not sure this is still the case, but im sure back in the old days, if you put in a new motor that was with in 10% of the original then you didnt have to get it cert'd is this still the case, or if you change any thing from the original it has to be cert"d cheers logan