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three different cars on the same graph.
the red one with the torque of a honda is a 182 with 197 pistons, rods, head, cams and inlets.
the black is a 182 with 197 pistons, 197 cams, 182 head and 182 inlets.
the blue one is a standard 182 with group n timing (wasn't meant to be on there but...
I'd just run 182 head, less messing around and you'll get pretty similar power but with more torque.
Think I've got a graph with overlay of both ways of doing it, power was almost identical but with the 182 head made about 20lb/ft more torque.
As standard it's more of a 'deflection' pulley but without aircon pump it is an idler in the true sense so is under more tension. Am sure it would probably be fine with the standard M8 bolt but I prefer belt and braces, that way less to worry about!!
Pulley is about a tenner and a shorter belt...
If split is small just glue it.
Used j&r for years, had one boot that split after short while but fine other than that. Know plenty of people in the trade who use them as well. Only downside if you have a technical queerie they are next to useless!!!!!
Done plenty and not had problems, just make sure belt isn't too long as the front run is quite long and can slap a fair bit if the belt isn't tensioned.
Only want to chop them to try few ideas with them. Think the primaries are longer aren't they? Not actually measured them yet though.
Runner sizing helps top end power as well but sacrifices torque on them.
will have a dci box back in it in a few weeks, got given one that we threw in to see how it was with the ratios but it was a piece of shite and the diff shat itself amongst other things with it.
To be fair, I've said to Gary as well, that turbo is too big, doesn't spool anywhere near early enough and oversized for the power it's making.
This is with a genuine 2560 on efi module.