Grumpy's TPI vs MSR vs HSR dyno runs
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Joined: Aug 2009
Posts: 1,972
Likes: 127
From: Los Angeles
Car: 1989 IROC Convertible
Engine: 350 TPI L98
Transmission: WC T5
Axle/Gears: 3.42
Grumpy's TPI vs MSR vs HSR dyno runs
Joined: Sep 2004
Posts: 5,906
Likes: 240
From: Chicagoland Suburbs
Car: 1989 Trans Am GTA
Engine: LT1, AFR 195cc, 231/239 LE cam.
Transmission: M28 T56
Axle/Gears: 3.23 10bolt waiting to explode.
Re: Grumpy's TPI vs MSR vs HSR dyno runs
EDIT: if you follow the thread and links down, he came back and posted that the Mini-ram was having a oil leak and was causing knock and other issues. So the Mini-ram dyno is useless for comparison.
Last edited by Thirdgen89GTA; Feb 19, 2020 at 07:34 PM.
Joined: Sep 2003
Posts: 25,895
Likes: 429
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: Grumpy's TPI vs MSR vs HSR dyno runs
Blast from the past. This info was posted here alot, original tester i believe was a member here although i forget the name
Joined: Feb 2017
Posts: 4,174
Likes: 569
From: Meriden, CT 06451
Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: Grumpy's TPI vs MSR vs HSR dyno runs
Since Grumpy's got mentioned, David Vizard joined Grumpy's last week.
http://garage.grumpysperformance.com...resting.15909/
http://garage.grumpysperformance.com...resting.15909/
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