SRT-4 Stage 3 Dyno Sheet - 22 psi Boost Curve, Xact Dyno Dynapack 2007
Reference · 1993-1997 ProbeAll 16 data & spec plates
Dynapack chassis dyno graph plotting manifold boost pressure (and vacuum) vs RPM, peaking around 16.72 psi boost at 5939 rpm on a turbocharged 4WD run.
Part of 1993-1997 Ford Probe Data & Spec Plates
This is a chassis dynamometer printout from Xact Dyno (Tempe, Arizona), produced on Dynapack chassis dynamometer software (RHAS-SP V1.3-03E, 4WD - Motor Vehicle 2000+4000). The sheet plots manifold pressure (MAP) versus engine RPM from roughly 1775 to 6000 rpm. The upper graph shows boost pressure in psi, peaking around 22 psi in the 3400-4800 rpm range before tapering to roughly 17 psi at 6000 rpm; three overlaid traces (dark blue, light blue, yellow) compare runs, with the dark blue run building boost noticeably earlier (spooling by ~2900 rpm versus ~3200 rpm). The lower graph shows vacuum in inHg, holding near 0.0 throughout the pulls. The data table reports for the yellow-highlighted run: 0.00 vacuum, 122 mph, 6000 rpm, ratio 3.448, with 16.72 psi boost at 121 mph / 5939 rpm; the green-highlighted run shows 0.00 vacuum, 122 mph, 6000 rpm, and peak boost 21.99 psi at 97 mph / 4774 rpm, boost gain 5.3. The run is identified as Folder: UMS, Run ID: KOVACH STG3 SRT4-2, dated 26-Apr-2007 12:10:42. Despite being filed under a 1996 Ford Probe, the Run ID indicates a Stage 3 Dodge SRT-4.
This document covers 2007, which may differ from this 1996 Ford Probe.
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Frequently asked questions
- What peak boost is shown on this dyno sheet?
- The table shows a peak boost of 21.99 psi occurring at 97 mph and 4774 rpm, and the boost graph peaks around 22 psi (scale tops at 22.2 psi).
- What vehicle/run is this dyno sheet for?
- The Run ID is 'KOVACH STG3 SRT4-2', in folder 'UMS', dated 26-Apr-2007 12:10:42.
- Where and on what equipment was this dyno run performed?
- It was run at Xact Dyno in Tempe, Arizona on a Dynapack chassis dynamometer, using software RHAS-SP V1.3-03E (4WD - Motor Vehicle 2000+4000).
- What boost is shown at the top of the run?
- At 5939 rpm / 121 mph the sheet lists 16.72 psi of boost, with the run ending at 6000 rpm and 122 mph.
- What is the gear ratio and boost gain listed?
- Both ratio fields show 3.448; vacuum gain is 0.0 and boost gain is 5.3.
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