[Shotimes] 89 sho dyno charts posted

[Donald Mallinson]

At this point no tuning aids.  I am considering my plan of action.

Don

Ian Fisher wrote:

>With the +20's, I'd expect a lower tq peak but to hit
>that tq peak much sooner than with the stock cams. So
>even if you are down a few lb/ft on paper you may be
>making your peak much sooner in the rev band. The hp
>gain looks nice. I didn't look at the charts, just
>going by Justin's numbers. How does the car feel? Butt
>dynos obviously aren't reliable measures but does the
>car feel like a dog or does it feel better?
>
>I guess we'll see how my +20's perform. I  won't have
>any old 3.0 dyno info to put it against but there
>really isn't any point. The 3.2 that I am putting in
>is heavily modifed by comparison and is either fresh
>or refreshened where applicable. I'll also be
>installing the adjustable cam sprockets which may be
>something that you'd find beneficial for moving the
>power up and down as well as decreasing overlap. Are
>you running any tuning aids such as an LPM or TwEECer?
>
>Ian
>
>--- Justin Schick <jschick@aafp.org> wrote:
>
>  
>
>>Don,
>>
>>I've seen a few dyno graphs in my day but am no
>>means adept at deciphering them, and am staring at a
>>so-so laptop LCD. What happened to the performance
>>seems to be what I'd expect with what mods were
>>made. The intake path was opened up and the
>>powerband moved up in the RPM range. The torque
>>curve is now flat as Kansas and great for a track
>>car. This is what I see:
>>
>>old
>>max HP = 205 @ 6200
>>max TQ = 195 @ 4750
>>
>>new
>>max HP = 220 @ 6750
>>max TQ = 190 @ 3500 - 4000, 4750 - 6000
>>red (the first run) was better and more rich.
>>
>>If you want off idle torque, give it about 6 psi or
>>another half liter of displacement! =)
>>
>>Justin
>>parted 92 - need something (like an intake?)?
>>
>>    
>>
>>>>>Donald Mallinson <dmall@mwonline.net> 6/6/2005
>>>>>          
>>>>>
>>7:45 PM >>>
>>I finally got the prints of my dyno test of the new
>>.20 cam setup.  So I 
>>don't use up bandwidth, I have put the dyno charts
>>up on the shoclub.com 
>>web site.  here is a short link:
>>
>>http://makeashorterlink.com/?A2625163B 
>>
>>I could not get the new charts on disk so I had to
>>scan all of them.
>>
>>to my way of thinking, this is a much weaker engine
>>than before.
>>
>>What can I do to get some power back...basically
>>what I see is that 
>>unless I want the engine to live above 6000 rpm, I
>>am have gone way 
>>backwards in torque and  HP.
>>
>>Exactly NOT what I wanted.
>>
>>Reminder.  The engine was basically a BOS with a Pro
>>Flow 77mm with no 
>>chip.  Ran great.
>>
>>Now same except with EH runners, BBB, Josh's .20
>>cams.
>>
>>Engine is healthy.
>>
>>What is it going to take to get back some of the
>>power and torque below 
>>6000 rpm except just putting it back to the way it
>>was?  I expected to 
>>have to run the engine a bit harder, but this is not
>>good what I see on 
>>these charts.
>>
>>any and all advice appreciated
>>
>>Don Mallinson
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