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Stage 2 ported LS2 intake manifold-Formato

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Old 02-02-2011, 10:47 AM
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Default Stage 2 ported LS2 intake manifold-Formato

Category: Audio/Video/Electronics
Price: $550
Part Fits: 93-02 Chevrolet Camaro, 93-02 Pontiac Firebird, Corvette, 04-06 Pontiac GTO, 04+ Cadillac CTS-V
Location (State): MN
Item Condition: Brand New
Shipping Information: Item Can be Shipped
Engine: LS2/LS3/LS7/L92/LS9
LS Engine?: Fits LS Engine

SOLD!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!

I have a stage two LS2 ported intake for sale. This was done by Jeremy Formato. These have shown proven gains.

He does them for $375 plus a $275 core charge for a total of $650 outright.

Buy mine for $550 and sell your intake for $275 and be into it cheap.

$550 shipped best offer.

Here is some info on it:

Stage 1 information:

The average gain for the LS2 intake manifold is 11rwhp/13rwtq. We have done over 325+ LS2 intake manifolds, 90+ LS7 (18RWHP and 20RWTQ), 35+ LS3 & L76s (12RWHP and 15RWTQ) and over 325 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, 35RWHP from a FAST.
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 reservoir 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.

Stage 2 information:
http://www.ls1gto.com/forums/showthread.php?t=332484


Stage 2 porting is taking the manifold to its limit - as much of the plenum is removed while still staying safe from vacuum leaks, which takes about twice the time to port.
The FAST manifold utilizes as much plenum volume as possible within the space requirements - the larger the air reservoir the less likely it is to deplete it at medium and high rpm. Hence the difference from an LS1 to an LS6 manifold, plenum volume. (We have tested this manifold swap many times for an avg gain of 10RWHP and 10RWTQ; again plenum volume.)

We rework all the runners for an even deeper cut and we use a much more aggressive sanding method, even deeper than the 8 inches we typically port in the stg 1 manifolds. For stage two manifolds we remove the inner posts and completely flatten the plenum floor all the way to the back on the inside of the manifold as well as the outside so as to make a sort of air gap between the valley and manifold base. We epoxy small aluminum plates, screw them in, and then epoxy the inside as well, to prevent any air leaks. This stage 2 manifold porting is a cheaper alternative to a FAST manifold, but it is also designed for someone that is trying to FULLY optimize their power on a budget. We are targeting those that want the MOST from the stock manifold at a decent price.

On our own GTO we tested the stage 2 manifold vs our stage one and we picked up an additional 6rwhp and 7 rwtq on an A-B test on the dyno same day, same weather, same engine conditions. This is in addition to the 11/13 from the stage one manifold We also had an independent test done by a shop in NY and they gained over 15+rwhp and 18+rwTQ.
We do not offer stg2 for the FASTs. We port all of them as aggressively as possible over 3.5 hrs per manifold.

Thanks!

Pat

Last edited by fasteddyss; 02-07-2011 at 01:02 PM. Reason: Sold!
Old 02-05-2011, 09:17 AM
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Old 02-07-2011, 12:57 PM
  #3  
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