VQ35DE RevUp Engine rebulid and tuning - Nissan 350Z Forum, Nissan 370Z Tech Forums
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post #1 of 4 (permalink) Old 08-16-2015, 02:46 PM Thread Starter
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VQ35DE RevUp Engine rebulid and tuning

Dear All,

For the past 5 years i own a 60K Mile 2005 MT with Stage 3 Stillen supercharger,
All was running great on stock motor (no big HP numbers here, 7PSI) till the 7th injector power line was disconnected during a hard pull and 3 pistons cracked...

Now i would like to replace pistons, rods, valves, injectors (taking out the 7th injector) and disassemble the Stillen piggy box for a with a proper tune\standalone ECU.

Would like to hear from your experience,
What do you would you order for parts?

- Pistons? 8.8:1?
- Injectors type?
- Tune?


Thank you !!


VQ35DE RevUp Engine rebulid and tuning-2015-07-09-17.00.21.jpg
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post #2 of 4 (permalink) Old 02-09-2016, 05:43 PM
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I am looking for a used JDM or rebuilt VQ35 for my 2006 Nissan 350Z. I found one on Used Japanese Engines & Transmissions
Has someone bought from them before ?
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post #3 of 4 (permalink) Old 08-29-2016, 06:36 AM
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Quote:
Originally Posted by Ofer350z View Post
Dear All,

For the past 5 years i own a 60K Mile 2005 MT with Stage 3 Stillen supercharger,
All was running great on stock motor (no big HP numbers here, 7PSI) till the 7th injector power line was disconnected during a hard pull and 3 pistons cracked...

Now i would like to replace pistons, rods, valves, injectors (taking out the 7th injector) and disassemble the Stillen piggy box for a with a proper tune\standalone ECU.

Would like to hear from your experience,
What do you would you order for parts?

- Pistons? 8.8:1?
- Injectors type?
- Tune?


Thank you !!


Attachment 50193
Are you doing Cams? I used JWT cams with success. What State are you in?

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post #4 of 4 (permalink) Old 08-30-2016, 01:25 AM
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I don't understand why 1 injector failure caused 3 pistons to crack - I would be checking for knock next time

The HalTech is very capable and should be able to control the Stillen
If your engine is a RevUp the Haltech has problems controlling the exhaust cam

Pistons, compression, injectors - best to talk to your engine builder and tuner

I would not bother with cam's - no real need for FI
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