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Caddy Intake Porting and Tuning

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Old 07-15-2008, 02:54 PM
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Default Caddy Intake Porting and Tuning

Hello all, just wanted to give you some idea of the gains that can be had with porting the intake and or the tuning we do.

This is an example of s stk 06 LS2 CTS V with a base line stock and the what it shows after tuning and porting of the intake (the LS2 intake manifold is extremely restrictive, not so for the LS6):



The average gain for the LS2 intake manifold is 11rwhp/13rwtq. We have done over 245+ LS2 intake manifolds, 80+ LS7 (18RWHP and 20RWTQ), 20+ LS3 & L76s (12RWHP and 15RWTQ) and over 190 TB's.
We have had many cars gain much more than the averages listed.
20RWHP from an LS2, 32RWHP for an LS7, and 30RWHP from a L76 and 22RWHP from an LS3.
When porting the TB you will see greatly improved throttle response and bottom end/mid range Tq feel and a significant seat of the pants gain. Our Manifolds are very thoroughly ported not only in the runners (like some do) but also much of the plenum and TB flange are enlarged in order to support more airflow in the upper RPM. The larger the air reservior the less likely to deplete more volume in the upper RPMs. Hence the OEM difference of the '00 LS1 intake vs the '01 LS6 intake.
We also port LSX manifolds, pricing is typically $350.00 (10RWHP and 10 RWTQ). We do open the flanges of a 90mm FAST to 92mm as well as reshape the bell-mouth port entry and increase plenum volume.
For those of you interested in this offer we can help with the tuning as well. We know exactly what to do in the tuning in order to optimize the fuel, spk advance and response.
On all vehicles since '01 the more airflow the vehicle has the less timing it will give it under heavier load. We fix that in the tune as well as dial in the right amount of fueling at the right time.

For those of you with other Caddys we can get a very decent amount of power from just tuning them.
This is a stk supercharged 07 STS-V with just the Formato tune on it:



I hope that we can help you out.
Thank you
Jeremy Formato
Old 07-30-2008, 02:59 PM
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Old 07-30-2008, 06:22 PM
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Why is that graph so jagged, even with smoothing 5 on?

-Chris
Old 08-07-2008, 11:12 AM
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Chris, I honestly do not have a definitive answer for that. I remember we did have some tach signal problems that day on the dyno.
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Old 08-07-2008, 11:42 AM
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I've went back and forth on porting my FAST intake. I wanted to, then I didn't care, now I may want to again. You say 10hp/10tq gain, is that with tuning? How radical was the engine that gain 10hp/10tq and do you have a graph?

Then on the pricing. Does the $350 include shipping back and cleaning an already used intake, and I'm not interested in opening it to 92mm.

Jon
Old 08-19-2008, 03:08 PM
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Jon Hey sorry for the late reply I havent been here for a while. I have had quite a few engines do over 10RWHP and 10RWTQ. On that particular one it had a MS3 and TSP heads and most bolt ons. Yes that does include the shipping. Openeing the plenum up despite the TB still being 90mm will only help as it is a larger reservoir for air.
Jeremy formato



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