Dyno tune stock LS engine
Thread Starter
Staging Lane
Joined: Oct 2018
Posts: 86
Likes: 5
Dyno tune stock LS engine I'm trying to find someone that had a stock LS or any stock V8 engine dyno tuned and what their gains were. All those I found had modifications done. I did find one auto site that said 10-15 hp on a typical stock V8 engine.
TECH Fanatic
Joined: Oct 2005
Posts: 1,131
Likes: 76
From: olympia, wash
Seems like a complete waste of money on a stock car.
10-15hp?
Spend $120.00 on an intake lid. Install it in 5 minutes.
There's 10hp.
Go to Jiffylube and change the oil out for full synthetic.
Another 5hp.
So now you got the 15hp a dyno tune would get you and for about $200.00 less money.
10-15hp?
Spend $120.00 on an intake lid. Install it in 5 minutes.
There's 10hp.
Go to Jiffylube and change the oil out for full synthetic.
Another 5hp.
So now you got the 15hp a dyno tune would get you and for about $200.00 less money.
I have seen a number of stock LS cars tuned. A GOOD tuner will get you a good # more peak, 10-30 depending, but the real story is in the whole graph. You will pick up power everywhere, usually a good bit of torque, and it will FEEL a ton faster. Tweaking the timing, A/F, torque management, shift points on an auto...it really adds up. It will feel like a new car and you will pick up a half second, sometimes more, in the 1/4. A cold air kit and a tune is worth doing. If you can swing long tubes, you'll get another 20+ with a nice bump in torque. Not much power to be had from a catback if the car came with duals (vettes, Vs, etc.), only sound. If you have a y-pipe car, then you can free up some with a catback, notably more with true duals.
Teching In
Joined: Aug 2014
Posts: 9
Likes: 10
I don't understand why people are replying to this saying its a complete waste of time. The stock tune is normally very safe and you should pick up a noticeable amount of power throughout the entire rpm range after the tuner makes adjustments to the timing and a/f ratio. Depending on what your tuner charges it will probably be a better bang for the buck than a intake and exhaust without a tune.
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