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You can rev it longer. If your e valvetrain is taking it 7500is no problem.
I have had engines ain the dyno that is bueprinted with racehead and so on to 8250.

between 2,8 and 3,6 mm open inlet at tdc.
2,6 is rpm and 3,6 is lessrpm and more torque.
start with 3,6mm.

/ Matti

if you look above at DW´s top graph that is an unported, cast manifold, cast exhaustmanifold, with airflowmassmeter, little higher compression, Hcam, freeflowing exhaust. standard valves. Dont look at the numbers, cause dynos differ. but look attt how the graph looks. i think the last rpm in graph i...

if you liked the T4 go for that, but a try athe H cam might be succesful. even if that cam suffer on rpm.

här kommer bilder på de 2 vanligaste. cam och zf. zf har ett rutmönster om du kikar!!

His whp is in my dyno engine hp. so a voc at 154-160 ehp is fairly normal. There is a chanse that the cam can work even with much duration, and that is because of restricted intake, it wont make maxhp, bur it will be a long curve wich sometimes kan be easier to drive than a stron engine with short c...

Well, maybe the cam will do the job, but i dont think the ignition is fully tested. Maybe uptop. But if you get the midrange up maybe you e got a killer!! I would have aimed for 13,2 afr. And tested more ignition. On dyno if youre unsure. Do 26deg stiff from 3000 and up, do 2-3 runs. Then test +2deg...

no, its not lowquality. just a lowpricecam that probably dont do youre engine right. you see when looking at youre ign table i dont know what ign it gets when on map since it migt be a restriction in the intake and then it moves to more vacuum at rpm. but i think youre engine will take about 30degre...

Do you run on tps (alpha n) or vacuum (map) If you run Tps that ignition table wont give you any nm. Too small numbers around 3000rpm. Did the tuner use any knocksensing device? With that camshaft and singelthrottleblade. I would go by TPS not map, it would be too erratic. And choose a good tps, not...

Yes looks like a big dip, right where you dont want it!! If you wanna work with the stuff you have, Put it on dyno and dont look up top. Look where you have the dip. And try advancing cam in steps. (Make more dynamic compression). If you have an adjustable pulled on cam. Just make a mark with a pen ...

As always dynos are like weight scales. if you pull out a scale at biltema you wigh, 88kg. ica 92kg, coop 78kg. unfortunatly its the same on dynos.... so its a bit hard to compare cars in different dynos. my dyno is a rollingroad with 4 barrels. and sportdyno sw. and last time i dynoed it, it was ma...

Thanks for the detailed explaining. i have a lot to test on my car since its very std. even turbo is std aero unit,
and i think i have 5 pairs of cams to test.
just need to find the urge

/ Matti

What duration, loabsep and cr did the 80 like the most? please do the duration at 1mm if you can. When you went hi CR, what dur and loabsep was the most successful. Just to clearify my question, I have a SAAB 9-3 T as rallycar. and the diference between me and Quattro is that i do not have the same ...

no matter how you do it the rings will be seated. but rings seal under pressure. so a good amount of power is not wrong. BUT these b230 i have seen all variants, and they all work. just go out on a normal drive but without lowend-torque-driving. these engines are very forgiving!! just run it!! i alw...

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