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Old 07-24-2013, 11:48 PM   #1
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Porting Factory Eaton

Does anyone know if porting a eaton will increase Hp?
Does it affect boost?
And also will it make then whine louder ?

Going to be paired with 2.93 pulley or maybe just stock pulley ( upper and lower )
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Old 07-24-2013, 11:56 PM   #2
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Yes, yes, and yes. The only down side is they tend to heat soak easier. I had a buddy go from mid 470whp to 511whp with a Stage 4 Steigmeister(sp?) port.
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Old 07-25-2013, 12:23 AM   #3
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Yes, yes, and yes. The only down side is they tend to heat soak easier. I had a buddy go from mid 470whp to 511whp with a Stage 4 Steigmeister(sp?) port.
I wonder if ill need to match it with a smaller pulley
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Old 07-25-2013, 12:27 AM   #4
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I wonder if ill need to match it with a smaller pulley
I honestly don't know about that. My buddy already had a smaller pulley and kept the same one on it after the swap if I remember right.
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Old 07-25-2013, 12:29 AM   #5
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Yes, yes, and yes. The only down side is they tend to heat soak easier. I had a buddy go from mid 470whp to 511whp with a Stage 4 Steigmeister(sp?) port.
That sounds spot on for a ported eaton termi... And 500rwhp is not something to laugh about in those cars.
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Old 07-25-2013, 07:35 AM   #6
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Porting will gain a good amount, however if you are running it on your stock internals there is 0 need to do it for you as your rods will not take any more than the 425whp or so you can get out of bolt ons and the eaton swap. Termis port theirs all the time because they have a forged shortblock to start with and can handle way way more.

As I already mentioned in this thread, you really should just leave the eaton swap you have alone, bolt it on and go.
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Old 07-25-2013, 07:44 AM   #7
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Porting will gain a good amount, however if you are running it on your stock internals there is 0 need to do it for you as your rods will not take any more than the 425whp or so you can get out of bolt ons and the eaton swap. Termis port theirs all the time because they have a forged shortblock to start with and can handle way way more.

As I already mentioned in this thread, you really should just leave the eaton swap you have alone, bolt it on and go.
Cool thanks , ill just do full exhaust instead
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Old 07-25-2013, 12:44 PM   #8
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NateSVT all over youtube and svtp on stock blower ported obviously and stock clutch with 40k miles runs 10s
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Old 07-25-2013, 04:27 PM   #9
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NateSVT all over youtube and svtp on stock blower ported obviously and stock clutch with 40k miles runs 10s
It would go 9s if he swapped in an automatic...


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Old 07-25-2013, 05:39 PM   #10
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It would go 9s if he swapped in an automatic...

The dude can shift.
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Old 07-25-2013, 05:45 PM   #11
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Nobody can outshift an auto and the torque multiplication of the stall converter will make a built auto come out of the hole harder than any stick even if you get a perfect launch. A stall converter will multiply the torque of the motor by 2.5:1 on the initial power push which is one big reason all serious drag racers convert. Many ppl with 10-11 second terminators can knock almost a full second off their ET by switching to auto.

Here is a good read by a guy who did the swap. I'm not really advocating either way, some ppl like sticks better and for a street car its personal preference but if you want to WIN at the 1/4 (or to get paid on the street) you go auto.
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Old 07-25-2013, 06:48 PM   #12
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Yeah I know but still his is a street car and on basically stock motor running 10s so if he wanted to absolutely win every time yes auto woul be where it's at. I think it's just impressive running that with a 6 speed.
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Old 07-25-2013, 08:36 PM   #13
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Very impressive and proves the guy knows his ****. I still think how amazing that car was/is. You could market that car TODAY and still charge $30k+ for it brand new.
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Old 07-26-2013, 09:08 AM   #14
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I love my ported blower. Easily twice as loud as non ported.
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Old 07-26-2013, 08:25 PM   #15
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If you want it to be loud you can just fill in the silencer ports.
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Old 07-27-2013, 10:02 AM   #16
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If you want it to be loud you can just fill in the silencer ports.
Who wants just loud, LOUDER AND FASTER!!
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Old 07-27-2013, 02:48 PM   #17
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Who wants just loud, LOUDER AND FASTER!!
Won't be faster on those stock rods...
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Old 07-27-2013, 02:56 PM   #18
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Won't be faster on those stock rods...
Ill be running 11s in the 1/4 that's fast enough for me lol
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Old 07-27-2013, 03:16 PM   #19
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Dude you can run 11s in the 1/4 without the blower in a Mach 1. All you need is about 320 to the wheels, 4.10s or 4.30s, properly setup suspension and a really good driver mod.
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Old 07-27-2013, 04:54 PM   #20
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Dude you can run 11s in the 1/4 without the blower in a Mach 1. All you need is about 320 to the wheels, 4.10s or 4.30s, properly setup suspension and a really good driver mod.
Well a cammed bolted geared DR guy here runs low 12.1s .. I honestly don't see 11s NA ,
He did eaton and easily hit low 11s
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Old 07-27-2013, 05:08 PM   #21
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12.1 sooooo close lol.
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Old 07-27-2013, 06:12 PM   #22
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Well a cammed bolted geared DR guy here runs low 12.1s .. I honestly don't see 11s NA ,
He did eaton and easily hit low 11s
On a Mach? What elevation and track conditions? 11s are possible at that power level but the driver better be pretty damn good to do it and being at sea level in cool air helps. I'm guessing that dude was a stick as well. I know I harp on this in other threads but if he is trying to get his times down and it means a lot to him, he should swap in a stalled auto. He'd knock multiple 10ths off his time, probably a half second honestly...
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Old 07-27-2013, 07:19 PM   #23
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Does a lot for 03-04 cobra.. Only about 20hp gain on Shelby.
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