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Turbo IS300 5MT and Stock GE!

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Old 07-29-14, 07:17 AM   #106
exist3nce
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Default Polish and launch practice..

Was in the mood to finally clean up my compressor cover which was getting oxidized and a bit pitted/corroded over the last 2 seasons.. Not the greatest lighting in these pics, but you get the idea. I only really focused on the area of the cover that is visible when it it is installed in the car lol.

Sanding disc @ 320 grit to remove gouges/deep scratches
Wet sanding @ 800, 1000, 1500 to remove all other blemishes
Mother's Mag & Aluminum polish to finish it off


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Also just for fun I was practicing some launches... Shifts could definitely be faster, but I was trying to get a feel for the tires/grip off the line.

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2002 IS300 5MT - 615whp - AEM EMS - GT4088R - Built 9.5CR - BC264 - R154 - TRD LSD - SupraTT T/B - Varex - LS430 Retro
2004 Optra/Forenza 2.0L - 225 whp - Haltech Sprint500 - CT12B - Professional P&P - Getrag F28 6spd - KW V3's - FX35 Retro
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Old 09-27-14, 04:52 PM   #107
is714whp
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Default

R154 transmission can hold 615whp or more?
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Old 09-29-14, 07:43 AM   #108
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Default

Quote:
Originally Posted by is714whp View Post
R154 transmission can hold 615whp or more?
You can search around and find varrying results with the R154.

Some guys have broke them with 400whp - while some guys have no issues with 800whp.

As far as actually destroying them, it has more to do with the torque and how you drive it. With my setup making 400 lb ft at the wheels, I think I'm still in a relatively safe zone with the R154. But with all these transmissions being so old nowadays anything can happen...
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2002 IS300 5MT - 615whp - AEM EMS - GT4088R - Built 9.5CR - BC264 - R154 - TRD LSD - SupraTT T/B - Varex - LS430 Retro
2004 Optra/Forenza 2.0L - 225 whp - Haltech Sprint500 - CT12B - Professional P&P - Getrag F28 6spd - KW V3's - FX35 Retro
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Old 09-29-14, 08:41 AM   #109
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Default GE oil pump says goodbye!

9/10/2014:

A couple weeks ago I attended a track day with a bunch of friends, and unfortunately I ended up getting towed home.

At about 7500rpm in 3rd gear I heard a strange sound almost like "shinngg" and an immediate decrease in power. I let off as soon as I heard it and dumped into neutral, then glanced at my oil pressure and saw it reading 0! All I could do then was shut off the engine and hope for the best.

With life and work being busy, only now had a chance to start taking things apart. I was hoping for a clean break of the pump without damaging much else, but it looks like my luck ran out..

When the pump broke, it still managed to pump shavings and bits of metal into all my bearings and passages

Conclusion: GE oil pumps are more fragile than GTE

I've already ordered a PowerHouse racing modified GTE pump to avoid this happening again. My buddy is running his 1994 Supra on bone stock bottom end making 1100whp revving to 8400rpm for some time now - so there's no question that pump is stronger. Now have to figure out how I want to rebuild this whole thing..


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2002 IS300 5MT - 615whp - AEM EMS - GT4088R - Built 9.5CR - BC264 - R154 - TRD LSD - SupraTT T/B - Varex - LS430 Retro
2004 Optra/Forenza 2.0L - 225 whp - Haltech Sprint500 - CT12B - Professional P&P - Getrag F28 6spd - KW V3's - FX35 Retro
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Old 10-16-14, 07:43 AM   #110
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Default Updates!

The motor has finally been torn apart. The thrust bearings are actually in perfect shape. Almost no visible wear on them whatsoever.

Turns out the crank was scored bad enough that it would need to be ground down and polished, requiring oversize bearings. Even though many people say this is fine, I prefer to stick to OEM size bearings everywhere. So I've got another used crank now, and it has been sent out for polishing only.

The block itself is fine - perfectly re-usable. Will just need to be flushed out and a light honing. Oil pump this time will be the PHR modified Toyota 2JZ-GTE unit.

I will be keeping my same Wiseco pistons, with a fresh set of rings. For the rods, I've opted for a slight upgrade over stock GTE - Eagle H beams. Nothing crazy, but at least a bit lighter than stock and still within a reasonable budget.

All bearings will be ACL Race series again. Upgrading the main bolts to ARP studs.

The head is completely re-usable as well, but we are disassembling to install new SuperTech forged valves and fresh valve seals.

ACT clutch assembly + OEM 1jz flywheel will be sent out for balancing - just in case. Also will be swapping to my Driftmotion built R154.

Progress has been slow with the motor - but at least the plans have been figured out and parts are either ready to install or on order.


I managed to work out a deal to retain a hoist until my car is running again so I could take care of some other much needed items:

- Tein Flex coilovers
- New OEM camber bolts/cams/nuts all around (most are completely seized, and have to be cut out)
- New OEM rear control arms (bushing has failed on one)
- New OEM front lower ball joints (preventative maintenance)
- New OEM tie rod ends (preventative maintenance)
- Figs poly bushings for front caster arm (#2) and lower control arm (#1)

Crappy pic, I know :/
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2002 IS300 5MT - 615whp - AEM EMS - GT4088R - Built 9.5CR - BC264 - R154 - TRD LSD - SupraTT T/B - Varex - LS430 Retro
2004 Optra/Forenza 2.0L - 225 whp - Haltech Sprint500 - CT12B - Professional P&P - Getrag F28 6spd - KW V3's - FX35 Retro
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Old 10-16-14, 07:43 AM
 
 
 
 
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2000, cam, camgear, camshaft, daily, dd, driver, es300, forum, gear, install, is300, lexus, results, small, titan, turbo

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