240Z Turbo
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Posts posted by 240Z Turbo
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Digitization is done. He used my spare head to perfect the port, ported my real head and then digitized. He then ran my good head using the CNC program. He has done other RB heads since.
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RB26
CNC Porting is $2800.00
Clearancing for "big" cams is 189.00
Replace Guides $225.00
Intake Guides $75.00
Exhaust Guides $85.00
Intake Valves SS (1mm oversized) are $225.00
Exhaust Valves Inconel (1mm oversized) are $312.00
Ti Retainers are $355.00
Springs (dual & nitrided) are $365.00
Valve Seals $65.00
Camshafts (Tomei) $750.00
Shimless Buckets $698.00
Pistons (with thick-wall pins) are $779.00
Rings are $288.00
Carillo Rods (with Carr Bolts) are $1550.00
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I will get pricing from Endyne and post.
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The bottom option should work best
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I dealt with Kevin at Majestic Turbo for quite some time. He is a very good guy and used to have the ability to bore the stock ZXT turbine housing. I only deal in new turbo's and do not bore stock housings.
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The pics are on Endyne's website and they now offer a CNC package for the RB26DET heads. It flows ~300cfm intake and ~290cfm exhaust @0.400".
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Let me know how it works out. I have a GT25 or GT28.
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James Thagard talked me into the turbo, but I was skeptical - it just seemed too optimistic. It does take it a bit longer to come on, but when it does, DAMN!
I remember the conversation.
James: Hey Tim, do you want a GT42R? It will allow you to make more power and the spool should be the same.
Tim: OK:)
When we discussed this turbo we speculated it making 575-600hp with the turbo swap. I guess that number is out the window!
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HaHa... was it the video.... or what/how he said it? musta hurt someones feelings....
You know me...I always play nice:)
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Bob, my alum Thagard pan was slightly un-flat also.... As far as the continues weld, I'm not sure what you mean.
That is because I gave you the warped one! What do you expect for half price?
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Congratulations Garrett! I believe TimZ hit over 500hp@wheels.
My dyno graph is below. I did not have my computer with me when this run was made so I was not able to lean it out and make another pass. However, with this tune the car went 10.6@134 (19psi and 125shot of nitrous).
Dyno graph is 28psi and no nitrous
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I win
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Matt,
Thanks for the "band aid" clarification.
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A Nismo pump is a bandaid. It will fail too.
Matt,
I purchased the NISMO pump per your recommendation(from what I remember) for my street/strip application. Should I sell the pump and go with an HKS? I certainly do not want my pump to fail.
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Got a call last night, it appears Garrett broke the 400hp mark making 418hp/407ft-lbs@wheels with 23psi.
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I want one!
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2006 Mitsubishi Evolution IX
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This is the design that I am building mine to.
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Helmholtz Resonator
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I still owe you my subframe:)
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Matt,
That is sort of a misconception for this application. You can go as low as 3K on the stall for the 8" converter. Just ask John T as he runs this setup on his street car. The converter will only stall when sufficient torque is applied and the RB makes no torque until the turbo comes alive. That is part of the difficulty in properly sizing a converter for a turbo application.
A v8 is another story since they make lots of torque at the lower rpms. Bottom line is that you can have a very streetable turbo car using an automatic and 8" converter. Driving around and part throttle will not cause the converter to stall as that only happens when sufficient torque is applied. BTW, I ran around for 1 year with the PG and 3700rpm stall with no issues and my original 4N71B auto used a converter that had a 5700rpm stall. The converter wouldn't slip just cruising, but when I laid into the throttle it did stall and the turbo came alive very quickly.
Another thing to consider is that because the Z car is so light it does not create as much load as does a heavier car.
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What are you going to use now?
Matt,
I purchased one for John Taylor as well as another friend of mine to run the RB25. I also have that kit, but it does require that you use their custom 8" converter. Contact me if you need one.
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Was that James giving me useful information? Thanks, I'll look into it.
I now despise someone else:)
Call my engine guy if you want more info.
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Probably going with Wiseco or JE for the pistons and Eagle rods. They should be plenty for my mortal HP goals.
FYI, Wiseco makes all of JE's forgings. Wiseco pistons are typically much cheaper. Pistons sold as Wiseco brand use a difference forging process from what I am told and they are better.
My ported Head
in Nissan RB Forum
Posted
Street/strip so maintaining port velocity was critical to me. Not an all out race head.