I got a 496 BBC
11.2:1 comp.
Canfield 310 heads,lightly ported
1050 Dominator on a fully ported no-name intake
Solid roller 652 lift 308 adv. dur.
[email protected](Comp street roller)
2 1/8" fender well headers
Car (3375lbs w/me) has run a best of
[email protected] mph.Sucky 60' of 1.56.
I run 84 jets,squared,with no powervalves forever.All of a sudden it started running lean,and now it has settled out at 93 jets.Don't know what changed.ET and mph stayed the same?????
Anyway,wanted a little more power,so I borrowed a Weiand 177 mini-blower from a buddy.It has a 4150 mounting pad cast into it,so I used his 950HP carb on it.Put my 93 jets in for a starting point and it poured fuel out the boosters.Started pulling over at about 2000 rpms.Dropped back to 74 jets,squared,no powervalves to stop the pullover.The car feels like an animal up to about 4000 rpm then just noses over.Figured it was lean,but when you pull the plugs(NGK #8s) they are a little fat. :? Is there a cubic inch/rpm limitation for those little blowers?Am I wasting my time in general?Plus,it idles at like 20" of vacuum,compared to 5" normally aspirated :shock: When you rev it in nuetral it'll drop to around 15".Wide open in 3rd(in the neighborhood,so I'm only kicking it at about 50-60 mph the boost gauge reads "0".No boost and no vacuum.I'm wide open to suggestions any which way.Thinking about trying a tunnel ram with 2 750s.Probably just go back to the 1050.It was slow,but at least it was consistent and easy to tune.Suggestions please!
