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Performance Mods for 1GR

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Old 03-05-2010, 10:04 AM   #1
NumNutz [OP] NumNutz is offline
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Performance Mods for 1GR

Here is a list of most performance mods for the 1GR...
This list includes mods for natural aspirated applications as well as forced induction.
Sorted by the type of mod

Intakes:

TRD Cold Air Intake -
http://www.trdusa.com/partscatalog.c...vehicle=tacoma
Claimed Performance Gains -
Horsepower
+11.0 HP @ 4,850 RPM Peak +15.0 HP @ 3,150 rpm
Torque
+19.0 ft-lb @ 3,600 RPM Peak +25.0 ft-lb @ 3,150 rpm
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Volant Cold Air Intake -
http://www.volant.com/edetail.asp?ID=395
Scoop Kit -
http://www.volant.com/edetail.asp?ID=460
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K&N Cold Air Intake -
http://www.knfilters.com/search/prod...x?Prod=63-9025
Claimed Performance Gains -
Estimated Horsepower Gain: 10.31 HP @ 4978 RPM
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AFE Cold Air Intake - Note: Makes TRD Cold Air Intake
Stage 2 - http://afepower.com/shop/details_new...07&&brandID=53
Stage 2 Si - http://afepower.com/shop/details_new...07&&brandID=56
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URD True Cold Air Intake -
http://www.urdusa.com/product_info.p...p05ipdpq2kpuq3
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Exhausts:

TRD Cat-back Exhaust -
http://www.trdusa.com/partscatalog.c...vehicle=tacoma
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AFE Cat-back Exhaust -
http://www.urdusa.com/product_info.p..._id=1260518990
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Jardine Cat-back Exhaust -
http://www.urdusa.com/product_info.p..._id=1260518574
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URD Stainless Cat-back Exhaust -
http://www.urdusa.com/product_info.p..._id=1260518482
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Borla Stainless Cat-back Exhaust -
http://www.borla.com/products/produc...rod_sku=140160
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Flowmaster Cat-back Exhaust -
http://www.flowmastermufflers.com/index.php?page=112
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Magnaflow Cat-back Exhaust -
http://www.planetmagnaflow.com/shop/...16624-290.html
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Headers:

Doug Thorley Headers -
Short Tube (Emissions Legal) - http://www.urdusa.com/product_info.p..._id=1260518546
Long Tube (Emissions Illegal) - http://www.urdusa.com/product_info.p..._id=1260518539
Recommend part with Long Tubes - Rear O2 Simulator - http://www.urdusa.com/product_info.p..._id=1260518515
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Y-Pipes:

URD Y-Pipe -
2WD/X-Runner - http://www.urdusa.com/product_info.p..._id=1260518483
4WD - http://www.urdusa.com/product_info.p..._id=1260518517
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Doug Thorley "Pipe Bomb" Y-Pipe -
http://www.urdusa.com/product_info.p..._id=1260518640
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Performance Electronics:

URD Mass Air Flow Sensor Calibrator - Note: Very beneficial to naturally aspirated engines with bolt on mods
http://www.urdusa.com/product_info.p..._id=1260198051
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URD Air/Fuel Ratio - Note: Very beneficial to forced inducted engines
http://www.urdusa.com/product_info.p..._id=1230100028
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Manifold Absolute Pressure Electronic Control Unit (MAP-ECU2) -
http://www.urdusa.com/product_info.p..._id=1260518555
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APR X-1 - Note: Single most beneficial electronic unit for the 1GR engine whether naturally aspirated or forced induction
http://www.urdusa.com/product_info.p..._id=1260518754
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Superchargers:

URD MKII Supercharger Kit -
http://www.urdusa.com/product_info.p..._id=1260518946
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TRD Supercharger Kit -
http://www.trdusa.com/partscatalog.c...vehicle=tacoma
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Turbochargers:

STS Turbo Kit -
http://www.ststurbo.com/toyota_tacoma
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STS Universal Turbo/Twin Turbo Kit - Note: Not suggested without prior experience
http://www.ststurbo.com/universal_turbo_systems
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Intake Manifold:

TTC Performance Intake Manifold -
http://ttcperformanceproducts.com/1g4inma.html
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Pistons:

JE Forged Pistons -
http://ttcperformanceproducts.com/jefopi1g.html
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LC Engineering Forged Pistons -
http://www.toyotacatalog.net/M1WebGe...F-911311C11AFD
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Rods:

Pauter Forged Rods -
http://ttcperformanceproducts.com/paro1g.html
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LC Engineering Forged Rods -
http://www.toyotacatalog.net/M1WebGe...9-495783025A76
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Camshafts:

TTC Performance Camshafts -
http://ttcperformanceproducts.com/1g4ca.html
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Valve Springs:

TTC Performance Valve Springs -
http://ttcperformanceproducts.com/1gvasp.html
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Recommend Trucks to model your modifications off of:

XrunnIT's 2007 Tacoma X-Runner -
http://www.cardomain.com/ride/2854865

TRD's 2006 SEMA X-Runner -
http://www.modified.com/features/061...ner/index.html

Baja1GR Full Race Tacoma -
http://www.xr-underground.com/forum/...ad.php?t=34492

Jaxchrisfla's 2007 X-Runner -
http://www.xr-underground.com/forum/...ad.php?t=26443
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Old 03-10-2010, 12:06 PM   #3
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Any way to get a write up like this for the Gen 1's???
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Old 03-10-2010, 04:01 PM   #4
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LC Engineering has pistons, rods, head studs, valve springs, auto trans adapters for chevy autos (powerglides and similar.

http://www.toyotacatalog.net/M1WebGe...ria=1gr&Page=1
http://www.toyotacatalog.net/M1WebGe...ria=1gr&Page=2
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Old 03-10-2010, 10:20 PM   #5
NumNutz [OP] NumNutz is offline
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Thanks X. I didn't find a link for the valve springs? How far are you along on your build?
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Old 03-10-2010, 11:34 PM   #6
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Quote:
Originally Posted by NumNutz View Post
Thanks X. I didn't find a link for the valve springs? How far are you along on your build?
Ya, I didn't see them listed on their site either.. but that's where I bought mine from.

Motor build is complete, but still more performance to be had out of the blower. That should be coming up this spring/summer.

BTW, the pistons LCE sells are CP, and their rods are Pauter as well.
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Old 07-16-2012, 08:17 PM   #8
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Cams should be changed to LC Engineering. Even at that, they still source them from www.webcamshafts.com

STS for Turbo.....well, after all of the trouble I and others have been through, it is still a source, but not a good one. At all... sadly.

TTC Performance: Not sure if they are still doing performance stuff anymore. I honestly haven't checked in a while, but even they were sourcing their camshafts through Webcamshafts.com

Other than that, I agree with you TacomaGus.
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Old 07-18-2012, 08:55 PM   #9
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I was wondering about CFM numbers for the stock intake and the aftermarket intakes.

I would like the same for the exhaust too if possible.

I didn't see Gibson Exhaust in your list.
Thanks
Rellim
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Old 07-18-2012, 08:57 PM   #10
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Quote:
Originally Posted by RELLIM View Post
I was wondering about CFM numbers for the stock intake and the aftermarket intakes.

I would like the same for the exhaust too if possible.

Thanks
Rellim
I highly doubt anyone has tested them.
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Old 07-19-2012, 05:40 AM   #11
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Quote:
Originally Posted by RELLIM View Post
I was wondering about CFM numbers for the stock intake and the aftermarket intakes.

I would like the same for the exhaust too if possible.

I didn't see Gibson Exhaust in your list.
Thanks
Rellim
To be able to do that, one would need a bench flow testing device, or some form of aftermarket EMS that can read the MAF sensor. The UCON and X-1 both are MAF based EMS devices, and can read the g/s (grams per second) of air flow across it. Based on the known I.D. of the tubing which it is in.

So you would have to make the call out to those which have those devices, and as well hope that someone has a stock truck, with one of those EMS' to compare to a truck that has an aftermarket intake.
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Old 07-22-2012, 10:36 AM   #12
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That may not work well due to the different levels if induced MAF sensor error.

For example, the Volant induces error on the positive side so the flow numbers on the MAF will say it makes WAY more power than stock, but put it in the dyno you will likely see a loss of power of about 15 RWHP.

G
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