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Nope, he hasn't been back to the track since the new clutch/short shift went in. He kept saying that he thought the clutch was always slipping. I think his best was a 15.91 @ around 86 MPH with some not so good 2.3 sec 60footers. Guessing a mid-high 14 when the turbo is slapped on, I guess...

He got that clutch we talked about a while back, from some place in brisbane, a fair few $$$ though. Its not a button clutch.... it has more clamping force and a better clutch face from what I know, but it is still a sprung centre. It will handle the turbo. The 2nd gear cog is very...

Ahhhh yep, understand what u mean now, I guess the power (depending ignition timing) is actually building very close to TDC, but mainly at TDC and just after TDC, where the rod is at its most susceptible because of the angle. It still does have some advantage becauise of the shorter rod, depends...

Yep yep, the longer rod has greater 'effective length' for those engineers out there.... hence more stress on the longer rod. Point noted. 9.1:1 u say. Do both the 2.0L and the 1.8L have the same 9.1:1 compression ratio over there? Damn 9.1 is soooooo low, its like they wanted a turbo thrown on...

Okey dokey.... Yep, absolutely correct about the turbo making more power in the mid and upper range, its essentially a turbo bolted onto a stock motor, stock cams designed for good mid-range etc... Lets look at it this way.... since rpm and torque are used (with a factor) to calculate HP, this...

I thought the only difference between the 1.8 is its destroked (or the other way round if the rods are shorter). Torque and horsepower are related, a turbo will make more torque in the midrange than a 'high revving NA' engine. Hmmm, ok, hang on. Lets just say that boost pressure is not in the...

With the 9.7:1 compression ratio, its a little high, but there's no problem running 8-9psi with an intercooler, I wouldn't go any higher, especially on a hot day..... but the rod thing is a worry..... So your thinking that we should be aiming for as little boost as possible? I would have...

Hey guys, haven't been back here for a while.... Just want to ask a Q about the FS-DE (SP20) engine in relation to adding some boost. Now from reading posts on this site and some of the forum members here giving good advice in the past I seem to remember that the weak points in there engines...

Yeppers, u need another 1000rpm+ to make good use of the cams :) Both cars are running a little rich. Will keep u updated when the microtech is installed in friends car, apparently the sensors and ignition stuff is similar to a 626 turbo, but when put in the car, there is obviously something...

Hey there.... Nice power run Snert, what are the mods done to yours?? Need to get it out to the track and have sum runs. :) Did you have a dyno run Twilight??? All is looking good for my bro's 808 wagon for the Jamboree in a months time. Ran 11.51 with a best of 117.4 MPH into those very...

My brother has 2 pioneer units, a 4150 and a 4450? and they have never steered us wrong. Friend in his SP20 has the silver faced (dolphin one) 8350? He also replaced the stock fron 5x7's (not sure if the actual speaker area is 4x6" but might be thinking of a SSS pulsar front. He replaced them...