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10 second Daily driver - What to do?

sLo-32

By sLo-32,
in Engines & Forced Induction

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sLo-32 Enthusiast

sLo-32

Posted
Posted

Ok...this is goin to be a long post as i dont want to post several little ones :P .

I have a r32 skyline with a rb20DET. I'm wanting a powerful car but i dont want to loose the streetablity. My goal is to get in the 10 sec qtrs :P:(

Does the RB20DET have the potential to get there, and how difficult would it be? I've heard that the quickest rb20det powered r32 in aus is a 10sec car. Have i been misinformed?

Would it be worth my time / money try the RB30 Block / RB25 head conversion into the r32 or just play with the RB20DET motor...keeping in mind i'm wanting to eventually run 10's.

What would be the most cost effecient proccess of going about this.

All input would be appreciated as ive been wondering about this for ages and just curios as to what other people think about it.

Cheers

sLo :D

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https://www.sau.com.au/forums/topic/13186-10-second-daily-driver-what-to-do/
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meggala Grand Master

meggala

Posted
Posted

its achiveable but you would have little or no driveabiliity what you need is a package like this.

see below.

the rb 26 is the most cost effective way to get your car into the tens and yes it will cost quite a bit

but its doable

full pics of the car here it is a gtst not a gtr

http://www.meggala.com/ther32hot.htm

ther32turbosfront.jpg

DESCR8 Proficient

DESCR8

Posted
Posted

It would be alot easier to go the proven method of suing a 3 Litre bottom end and twin cam head. Don't bother with the RB20 Head go straight for an RB25DET head and this will easily make you get into the ten's with a total standard head and standard bottom end with forgires and balancing. If you need proof VORT N the skyline ran a 10.6 with this setup with just a big turbo, fuel system and other boltons eg. Cooler, plenum.

GR8NES

RS500 Experienced

RS500

Posted
Posted

meggala,

"the rb 26 is the most cost effective way to get your car into the tens and yes it will cost quite a bit but its doable"

RB26 and cost-effective don't go together. you'll be looking at $4-5k alone just to get a long motor plus anything else you would want to do to the engine along with bolt-ons.

slo-32,

the RB20DET is a very good engine when it comes to strength and durability although it wouldn't be the best alternative if you want a streetable '10sec R32' as they aren't the torquiest of engines.

you would be much better off if you went for an RB30/25DET hybrid, it would be a larger capacity engine which will give heaps more usable torque and power, which is perfect for a street car.

Also, it'll cost you less than sourcing a RB26DETT engine along with the associated work fo sprucing itup for 10's.

good luck.

meggala Grand Master

meggala

Posted
Posted

well most rb 25/30's I have heard of that could run into the 10's are 15-20 for the whole setup with the rb 26 for that kind of money you can make 700 hp with out a problem you have a motor that is designed to run that sort of out put and has a lot of little things the rb 25/30 doesnt.

this is some thing I have given a lot of thought to If you can show me a complete package rb 25.30 built that will make 700 hp for under that I"m all ears and yes I'm including engine managent turbo's injectors etc I havent even started on the drive train yet iether but of couse RS500 your talking about a slopomatic as well not a manual :P

didnt sub zero get 2 r 33's with rb 25's in to the ten's the 25/30 has its point but I agree to disagree with you re their suitability for this application

DESCR8 Proficient

DESCR8

Posted
Posted

Well all I can say if from what Ive seen is that if VORT N setup ran a 10.6 in an R33 with wheelspin then this should get close to a 10.0 or even 9 in a well setup R32. He is currently selling his setup if you are keen i can ask how much he wants but it is now been rebuilt with ARGO rods and all the rest. It will do a 9 sex pass easy

RS500 Experienced

RS500

Posted
Posted

meggala,

you yourself know that even the RB30ET itself (without the RB25 head) is capable of producing up to 700hp which has been proven by many workshops who are pushing up to and over 400rwkw along with 9-10 sec 1/4 mile times.

Given the advantage of the increased flow of the RB25 head over the SOHC RB30 item, it would be safe to say that it would 'comfortably' make the 700hp with less stress than the RB30ET engine.

My point is that by starting off with a price tag of $4-5k just for sourcing the RB26DETT without even opening it up to strengthen it with forged pistons, etc already extends the budget to your quoted $20k, whereas, ~350rwkw can be produced with the standard spec RB30ET bottom end (with de-comp plate : proof - my friend's engine which has also run a 10.7 with standard EC and micro-fueller) for a much less price tag including a programmable ECU.

how do u figure that a 700hp RB30/25DET engine will cost the same ($15-20k) as a 700hp RB26DETT?

I'm pretty sure the RB26DETT package will cost much more than an RB30/25DET package when starting from scratch (i.e., forged build, including turbo, ECU, manifolds, etc, etc).

the difference in price would be the price you pay to buy the RB26DETT engine in the first place, where the rest of the mods will be the same for both engines.

that's my opinon anyway.

RS500 Experienced

RS500

Posted
Posted

the RB30/25DET conversion would be the most cost effective as no mods are required to fit it in the engine bay.

It will sit onto the factory RB20 engine mounts and it will bolt straight-up to the RB20 gearbox, so i think this is your best option if u want to look at sticking to a budget, otherwise if u have the $$$ to spend, the 2JZ-GTE is a very very nice option.

Squizz Grand Master

Squizz

Posted
Posted
Originally posted by RS500

the RB30/25DET conversion would be the most cost effective as no mods are required to fit it in the engine bay.

It will sit onto the factory RB20 engine mounts and it will bolt straight-up to the RB20 gearbox, so i think this is your best option if u want to look at sticking to  a budget, otherwise if u have the $$$ to spend, the 2JZ-GTE is a very very nice option.

You want 10sec on a rb20 gearbox? Good luck to you sir!

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