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Author Topic: Marks RB26 Cefiro  (Read 18251 times)

A31_25DET

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« Reply #90 on: February 10, 2014, 04:51:50 PM »
Quote from: SKDSUP;624143
I dont think any suspension component that has been cut/heated can be certified man.

Its all in the lvvta pdf file online.


gutted yea thought that but also thought the C's 555 knuckles might have been a mold.

anyone know if it would be work running the A32/S14 arms and relocated rack on factory hubs? just want more lock but want to keep it legit at same time :D
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DeadBroke

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« Reply #91 on: February 10, 2014, 10:11:19 PM »
Quote from: A31_25DET;624144
gutted yea thought that but also thought the C's 555 knuckles might have been a mold.

anyone know if it would be work running the A32/S14 arms and relocated rack on factory hubs? just want more lock but want to keep it legit at same time :D


No you send C's your stuff and they cut, shorten then weld your knuckles.
Don't see how that combo will increase lock. You'll increase track width. You'll need to increase rack travel and grind your lock stops

benji-nz

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« Reply #92 on: February 10, 2014, 10:35:07 PM »
The gktech knuckles may be certifiable?
"I ran a 25 turbo on my 20 when I had stock cams. Managed 300whp at 24psi on e85 figured that was the max on that turbo"

DeadBroke

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« Reply #93 on: February 15, 2014, 09:34:54 AM »
Quote from: benji-nz;624162
The gktech knuckles may be certifiable?


Tough to say. Depends on the certifier. I wouldn't go for them any way. They are one piece (not cut and weld). But Kyle Jackaway broke one late last year I think. A knuckle/ steering arm that breaks before the tie rod? No thanks!

SKDSUP

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« Reply #94 on: February 24, 2014, 11:01:57 PM »
Also forgot to note, car made 370hp @ 16psi. Rapid performance,  timaru.

Holset turbo recore, limiting factors were my cheap dump pipe, internal wastegate, and injectors were at 88% d.c. Tuned on 98.
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SKDSUP

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« Reply #95 on: March 09, 2014, 06:15:34 PM »
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SKDSUP

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« Reply #96 on: April 10, 2014, 09:43:43 AM »
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SKDSUP

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« Reply #97 on: April 10, 2014, 09:46:02 AM »
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gtsr

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« Reply #98 on: April 10, 2014, 09:53:19 AM »
Quote from: SKDSUP;624468
Also forgot to note, car made 370hp @ 16psi. Rapid performance,  timaru.

Holset turbo recore, limiting factors were my cheap dump pipe, internal wastegate, and injectors were at 88% d.c. Tuned on 98.


Awesome. :)

I noticed stock injectors are around 90%+ d.c at factory.

SKDSUP

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« Reply #99 on: April 10, 2014, 12:40:37 PM »
Quote from: gtsr;625439
Awesome. :)

I noticed stock injectors are around 90%+ d.c at factory.



Oh, ok. Interesting. That seems really high for a factory performing engine. Anyways, the next step would be some injectors,  and a wastegate upgrade of some sort, and a more freed up dump section.
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gtsr

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« Reply #100 on: April 10, 2014, 01:07:28 PM »
It gets worse on the knock maps, up to 100% duty.

It's for road use, so higher duty cycle doesn't matter as much (short burst's, mainly low rpm driving). If for racetrack you wouldn't let it go above 80% for injector reliability, as engine is up to max revs lap after lap.

When selecting new injector cc, take into account them being at 80% duty.

About exhaust, bellmouth dumppipe would help and be best.

Can buy a cheap bellmouth version here, but can't guarantee it won't crack on the welds (flexi in front pipe helps to avoid this cracking problem, similar to as used with Honda exhaust manifolds) -

http://drivenperformance.co.nz/products-page/dump-pipes/rb20-25-turbo-dump-pipe-r32-r34-3-high-flow/

More expensive is HPI in Japan, but you pay for that quality.
« Last Edit: April 10, 2014, 01:10:57 PM by gtsr »

SKDSUP

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« Reply #101 on: April 17, 2014, 11:26:55 PM »
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SKDSUP

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« Reply #102 on: May 26, 2014, 07:05:50 PM »
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SKDSUP

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« Reply #103 on: May 26, 2014, 07:06:20 PM »
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SKDSUP

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« Reply #104 on: May 26, 2014, 07:07:02 PM »
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