[Shotimes] +20 cam dyno results

[Dave Kegel]

195's not bad for an ATX. They're usually about 175 stock, aren't they?


Dave
-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of Mike Bruce
Sent: Saturday, May 21, 2005 4:35 PM
To: 'shotimes'
Subject: RE: [Shotimes] +20 cam dyno results


The car is an ATX.  I've been using the same Dynojet for all of my runs. I
have always thought my car was a little down on power compared to others due
to the lack of proper tuning.  Maybe it's the Ford 80mm MAF.

I don't really understand what's up with the numbers.  The car ran a 14.8 at
94.4 mph last summer when it dynoed 188hp.  It may be the fact that I've
never had the car tuned for the Ford 80mm MAF aside from what SHO Shop
programmed when they sold it to me.  I look forward to Indy when I can
compare my car to others on the same track.  Timeslips should tell the rest
of the story.

Oh, my father's bolt-on 92 dynoed at 222hp just before mine went up on the
rollers.

-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of Ron Porter
Sent: Saturday, May 21, 2005 4:22 PM
To: 'shotimes'
Subject: RE: [Shotimes] +20 cam dyno results

Mike,

Not really trying to piss I your cheerios here, but were those results on a
Dynojet? I believe the car is an MTX, but it wouldn't happen to be an ATX,
would it? Reason I ask is that I know of more than a few 3.0 MTX cars that
get over 200 HP with just bolt-ons, and I personally know of three that got
207 or better (the 3rd was about 209, IIRC).

Power jus seems to be on the law side, although the increase for the cams
looks pretty good.

Ron Porter

-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of Mike Bruce
Sent: Saturday, May 21, 2005 11:42 AM
To: 'shotimes'
Subject: [Shotimes] +20 cam dyno results

Just got back from the dyno.  Made four runs to get a baseline for tuning.
>From the start of the run up to 5750 rpm, there was no change from before
the cam install.  By 6k, there was a 5hp difference, at 6250 was a 12hp
change, 18hp at 6500, 22 hp at 6750, and 24 hp at 6900 rpm. Peak horsepower
is now 195 at 6300 rpm.  Previously, it was 184 at 6000.

That is without tuning the LPM.  The A/F ratio runs between 12.5 and 11.9.
Perhaps there is a little to gain there.

I need to move the shift points up to take advantage of the new power.

What kind of results are other people getting from cams?

Mike Bruce
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