Fcam blues
 

I got her to run pretty darn good, only minimal if any hesitation at low RPM WOT. I ordered a set of FMS 3.73's, and are sitting in my basement. How much should these gears help with low RPM torque?? Right now at low RPM's in second it just barely turns over my 225 50's, the same as before the head/cam/intake swap. Thanks

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87 GT, BBK shorty's, offroad H-pipe, ASP pullies, 70mm T.B., Cobra intake, no smog pump, Windsor Jr irons, Comp cams 1.6 rollers, F303 cam, H.D. export W.P., Tri-Ax, FMS subframes, Battle boxes, SSM liftbars, FMS King Cobra clutch, mass-air conversion, 73mm C&L, 24lb injectors, BBK fuel pressure regulator, 3/8" no EGR spacer, and other piddly sh*t.

The gears should help bring the profile of the cam out, it should make a big difference.

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Check Out My Site 91GT,Holley SysteMAX II Kit-Heads 2.02" x 1.60" port matched to a 1262,Anderson N-61,24#,76mm C&L,Full MAC exhaust 1-5/8" Long tubes,2-1/2" O.R H-Pipe,2 1/2" cat back, No A/C or PS or emissions, 12" K&N Filter,RNH PERFORMANCE Ram Air,Ron Davis Radiator,Full Suspension,S&W 8pt "X" brace,JAZ seats,3:73's,Welds..etc,4:30's and 31 splines coming very soon!

For the time being, I'd suggest bringing the initial timing to 14 degrees minimum (if it isn't already there). That should help restore some lost low end. It also sounds like the engine may need more fuel. You could crank the fpr up 1-2 psi and see if it helps. Good luck.

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Russ L
'91 LX
Procharger, 3 row intercooler, extrude honed Cobra intake, Mac full Length Headers, 30# inj., 73mm C&L, 75mm tb, E303 cam, 289 rods, ported E7 heads, MSD, T-Rex w/255 lph Walbro, 5 lug conversion, Cobra R wheels, 3.27 gears and Moser Axles.

[This message has been edited by NO SLO PK (edited 04-16-2001).]

Im using almost that simular combo Gray87 GT and I've been very happy with the results. Im running 12.99-13.04's @ 106-105mph with 60ft 1.72-1.85.

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92'LX Notchback, EDELBROCK Per. Intake, C&L 73mm MAM, 70mm TB,Windsor Jr iron Heads port & polished, f303 cam, 1.6 Crane roller rockers MSD 6A, Taylor 409 wires, Underdrive pulleys, JBA headers, flowtech X, 2 ch. flow, 3.73, Pro 5.0 Shifter HD FMS Radiator, Max Motorsport subs, Max Motorsport Lower Control Arms, ...KN 13.59@101.6mph
60ft/1.856
ET Drags

Get your timing up to at least 14 degrees. I'm running the F cam with Edelbrock heads and intake. It doesn't like being driven below 1,500rpm, so avoid that. 3.73s or 4.10s would definitely help that low end.

The cam is made for mid range and top end though so be prepared for a huge increase over 2,500rpm and with the gears you'll start to enjoy yourself.

I am facing the same dilema after the F cam install. She really falls on her face in the lower rpm band. But I believe as everyone else here does that gears are gonna make a world of difference. So how do you like your F cam? I love mine.

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People the F-303 is very good cam. I ran that cam for about 4 years and have gone as quick as 11.09@127.5 MPH. That combo would run 11.20's all day long and then we would take the long way home just to cruise and enjoy the other would be racers and street killers; That stay away from the track. That cam is great.........

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PALADIN
"COME CORRECT"