lets have a contest! Dyno numbers!
Burning Brakes
Joined: Aug 2002
Posts: 949
Likes: 1
From: Cary Il
Can't dyno anymore! Last year had 758RWHP and over the winter FLP changed a few things to bump up the HP by 100 and now the 28" tall ET Streets at ANY tire pressure break loose on the dyno in 3rd (A4) at about 5400 RPM and it gets nasty!!!!!!!!!!!!!!!!!
JR
JR
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Le Mans Master
Joined: Nov 2005
Posts: 5,451
Likes: 2
From: East Peoria Illinois
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Le Mans Master
Joined: Aug 2005
Posts: 5,130
Likes: 3
From: Winter Park FL
mustang dynos are typically 10-15% less
Don't get all worried about dyno numbers. See what it will do at the track too. Dyno numbers don't show how fast a car really is, track numbers do.
Don't get all worried about dyno numbers. See what it will do at the track too. Dyno numbers don't show how fast a car really is, track numbers do.
Thread Starter
Le Mans Master
Joined: Nov 2005
Posts: 5,451
Likes: 2
From: East Peoria Illinois
Pro
Joined: Feb 2003
Posts: 623
Likes: 11
From: Ankeny IA
You have to understand that as others have said Mustang dynos calculate hp differently and are a good 10% less than the more common Dynojet. So just prepare yourself for less than 400rwhp on a Mustang dyno, but realize that the equivalent number on a Dynojet will be right where you want it (most likely). My guess on a Dynojet would be around 415rwhp/385rwtq. On a Mustang you're probably looking at a 375rwhp car. If you're really that concerned ask them if they have a Dynojet adjusted graph they can give you (some Mustang dynos offer this).
Thread Starter
Le Mans Master
Joined: Nov 2005
Posts: 5,451
Likes: 2
From: East Peoria Illinois
You have to understand that as others have said Mustang dynos calculate hp differently and are a good 10% less than the more common Dynojet. So just prepare yourself for less than 400rwhp on a Mustang dyno, but realize that the equivalent number on a Dynojet will be right where you want it (most likely). My guess on a Dynojet would be around 415rwhp/385rwtq. On a Mustang you're probably looking at a 375rwhp car. If you're really that concerned ask them if they have a Dynojet adjusted graph they can give you (some Mustang dynos offer this).
Team Owner
Joined: Mar 1999
Posts: 22,025
Likes: 192
From: At the beach in little Rhody
The Mustang more accurately reflects the power level since it loads the wheels at any given RPM. The Dynojet is an inertia dyno, which is perfectly fine for tuning. The primary concern should be the tune is good and drivability is good. Final numbers are just a benchmark for you next tune when you do something else.
Race Director
Joined: Aug 2006
Posts: 13,542
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From: Are you fat because you're lazy or lazy because you're fat? San Jose, CA
Cruise-In X Veteran
St. Jude Donor '09
Most like Dynojet #'s and Dynapack #'s because they are higher. They each just have different ways of measuring the car's output.
If you are looking for well over 400, then maybe an AFR or Trickflow head with a larger cam will get you what you want. Of course, they are a good bit more expensive. You get what you pay for. Each can get your 440+ with an incredible area under the curve and superb driveablitiy even with a cam in the low 230s duration wise. It's all in the tune.
If you are looking for well over 400, then maybe an AFR or Trickflow head with a larger cam will get you what you want. Of course, they are a good bit more expensive. You get what you pay for. Each can get your 440+ with an incredible area under the curve and superb driveablitiy even with a cam in the low 230s duration wise. It's all in the tune.
Mustang are always lower.