transmission upgrades
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Joined: Aug 2012
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transmission upgrades
I'm starting to build up my 4.7 a lot more and needed advice on what transmission parts should I invest in to beef my tranny up some. And another question, I hear so much about tranny problems in my style truck and want to know if anybody knew exactly what fails on the tranny when it goes out? Is there a part you can upgrade to prevent this?
Record Breaker
Joined: Aug 2009
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From: Tampa, FL
You can't necessarily upgrade "parts" in the tranny (I believe, dont quote me lol) so much as the whole tranny itself needs to be upgraded. But for a 4.7 you're not going to be making enough power to need or want to pay for either a Sheradon or ATS tranny. I would say the easiest thing is to either rebuild it when necessary or just buy one off a salvaged trucked. A good tuner like SuperChips with the tranny tune can let you control the transmission basically though so you can improve its longevity
Record Breaker
Joined: Jul 2012
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Slt 8 what mods are those?
And yeah 08 Hemi i think you are right you have to just about build the whole thing or its kinda a waste.
Tranny line booster, Hd trans cooler, those are some things you should think about first unless your throwing down a huge amount of power. It would save you the 3,000 dollar tranny build to spend on performance parts like a cam
And yeah 08 Hemi i think you are right you have to just about build the whole thing or its kinda a waste.
Tranny line booster, Hd trans cooler, those are some things you should think about first unless your throwing down a huge amount of power. It would save you the 3,000 dollar tranny build to spend on performance parts like a cam
Record Breaker
Joined: Jun 2010
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5.7L w/ 131k stock block and tranny.
Performance wise mods
Engine Modifications:
SC3815/SCT stacked - custom tuning via hemifever.
6.1 Manifold / 6.1 Coil Conversion w/ HEMI insignia coil covers / Crane 216 Cam @ 112lsa / Inertia Premium Big Valve Heads milled .020" / 20% Summit SFI U/D Harmonic Damper / BFI / Modern Muscle 85mm ported TB / 180 T-Stat / Taurus Mark VII E-Fan / A/C delete/ EGR delete / 180a Alt
Transmission: 545re / 3400 Billet Edge Stall TC / Auburn Carrier / 4.56 Motive Gears / Sharadon Stage III Valve Body / B&M Truck Megashifter
Exhaust: Hedman LT Headers / No Cats / 3" Dual piping to Magnaflow Tru-X 3" DO/DO / Turn down after Axle
As mentioned. A HD, well a oem 24/26 row trans cooler would be a great option.
Performance wise mods
Engine Modifications:
SC3815/SCT stacked - custom tuning via hemifever.
6.1 Manifold / 6.1 Coil Conversion w/ HEMI insignia coil covers / Crane 216 Cam @ 112lsa / Inertia Premium Big Valve Heads milled .020" / 20% Summit SFI U/D Harmonic Damper / BFI / Modern Muscle 85mm ported TB / 180 T-Stat / Taurus Mark VII E-Fan / A/C delete/ EGR delete / 180a Alt
Transmission: 545re / 3400 Billet Edge Stall TC / Auburn Carrier / 4.56 Motive Gears / Sharadon Stage III Valve Body / B&M Truck Megashifter
Exhaust: Hedman LT Headers / No Cats / 3" Dual piping to Magnaflow Tru-X 3" DO/DO / Turn down after Axle
As mentioned. A HD, well a oem 24/26 row trans cooler would be a great option.
Last edited by SLT8; Aug 30, 2012 at 01:04 PM.