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Author Topic: Hotbits turbokit for 4B10 and 4B11 any good?  (Read 2634 times)

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Hotbits turbokit for 4B10 and 4B11 any good?
« on: June 13, 2012, 11:08:57 PM »
Over here we have a performance shop that has developed a turbokit for 4B10 and 4B11.

http://www.speedworks.com.my/pdf/SW_Turbo_Kit_Cat_-_Inspira_1.8-1.pdf

does it look good? I am a bit concerned on whether the CVT can handle 180+hp and almost 280Nm of torque. well, for less than US3,000 i think it can be looked at.

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Hotbits turbokit for 4B10 and 4B11 any good?
« on: June 13, 2012, 11:08:57 PM »

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #1 on: June 13, 2012, 11:35:19 PM »
That's something new :)
Can we have more detailed specs on this turbo kit?

I see that boost is 0.7 bar, which is 10 psi. There's no info whether CR has been lowered or left stock, cause for stock it's pretty high boost and HP/TQ gains should be higher.

I like the K&N heat shield :) Have to fabricate something like that for my setup.

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #2 on: June 14, 2012, 02:27:32 AM »
good find  ;)

but it dun come with extra tramission cooler... but i think it will be a great add on for boossst higher

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #3 on: June 14, 2012, 02:59:43 AM »
well, not much info there as they are quite secretive for now. but likely to maintain stock compression and engine internals. only changing manifold, intake, injectors. add in turbo, intercooler and ecu. will definitely need oil, transmission and cvt coolers. i am considering something like this that can be reversed should i choose to.

not looking at high power gains but 180+hp is kind of nice to surprise some hondas. hehehe

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #4 on: June 14, 2012, 03:46:46 AM »
well, not much info there as they are quite secretive for now. but likely to maintain stock compression and engine internals. only changing manifold, intake, injectors. add in turbo, intercooler and ecu. will definitely need oil, transmission and cvt coolers. i am considering something like this that can be reversed should i choose to.

not looking at high power gains but 180+hp is kind of nice to surprise some hondas. hehehe
Power gains should be higher, cause Raptor produced around 250 hp on the engine(not at the wheels) with 7 psi. This kit is rated 10 psi.

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #5 on: June 14, 2012, 05:35:06 AM »
well, not much info there as they are quite secretive for now. but likely to maintain stock compression and engine internals. only changing manifold, intake, injectors. add in turbo, intercooler and ecu. will definitely need oil, transmission and cvt coolers. i am considering something like this that can be reversed should i choose to.

not looking at high power gains but 180+hp is kind of nice to surprise some hondas. hehehe
Youll be well well well well well above that 180 mark.  My car made 249whp @ 10psi
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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #6 on: June 14, 2012, 06:40:47 AM »
yah i was expecting more power from 0.7bar but i figure they designed it to be lower given that they are not changing or reinforcing engine internals and too much stuff. the thing is, turbokits for 4Bs are not available off the shelf over here. it's relatively undeveloped market

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #7 on: June 27, 2012, 02:03:38 AM »
You can place in new headgasket to lower CR. For 1.8 real problem is CR of 10.5, e.g. 2.0 has 9.5 that is more or less ok. In both engines pistons & rods are forged from the factory as well as crank, though not too much strong for big boost.

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #8 on: September 05, 2012, 06:58:54 AM »
Hi.
I have driven this car that has been converted last Saturday as I am evaluating the bolt on Kit.
To start off the base is on a 4B10 with stock bone internals - No aftermarket cams etc.
It is a bolt on kit using locally fabricated stuff with a Aust AIX Turbo. It has the usual intercooler, K&N Open Pod Filter, even a Blow Off Valve plus a 2.5 Inch Decatted Exhaust. The parts are retailing for RM4,500 or about USD1,500.

Installation and tuning with new injectors is another RM4,500. Speedworks uses a Piggyback to tune the Turbo setup. I dont know who is the supplier of the Piggy Back.

Boost is very low peaking at only 0.6 bar.

My initial feeling for the Bolt on Kit was mixed.

Maybe I am too used to driving a Subaru or a Evo but low end pull was not interesting. Maybe the turbo size was too big but you could feel the turbo pull only after 3,500 RPM.

But withstanding the initial lag, after 3,500 RPM the pull became much stronger but then again when you have owned a 260 HP on wheel car like my REX, the kick was not as good as the Rex.

OK,other than that the Car felt ok, no CEL problems. There is a slight pinking at low revs but even the non boosted 4B10 has this problem as its running on high compression.

My 2 cents worth: If you are looking at a bolt on turbo that has a low boost, I would recommend it as the Forced Tuning itself has not ruined the car.
But if you are looking to push beyond 180 HP on wheels power, you would need to reduce the compression of the 4B10 and maybe add in the Evo X cams and maybe up the boost for morepower and torque.
« Last Edit: September 05, 2012, 07:08:49 AM by James Wong »

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #9 on: September 05, 2012, 10:20:36 AM »
Hotbits also makes headers for our cars. I would think quality would be decent.

However, dont bother turbo'ing your CVT, it will destroy it. Especially if this kit brings boost on hard above 3.5k. Also, you live in a hot&humid climate, heat is the number 1 killer of CVT transmissions.

Anyways, with all the experience doing RA/EVO X turbo swaps, for less money than this, and better performance, I dont think this kit is worth it. The kit looks decent, but not as great as some other ones. The OEM setup with a nice hardpipe kit looks just as good or better.

The only advantage i could see is if its tuned with a piggyback maybe you can avoid the CEL issues from evo x base maps on N/A cars.

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #10 on: September 05, 2012, 03:18:34 PM »
Mine is a manual. I never like CVT's from the start. I am  so sorry for the CVT owners. Yes the biggest problem of CVT's is heat. I remember even when Mitsubishi launched their Lancer in 08 in Malaysia at a Hill Resort. Journo's were complaining of CVT refusing to change gears after a repeated hard drive and that is brand spanking new examples!
I would really like to go the "Evo X" route but I am concerned about the CEL problem and other mechanical issues.
I will start to collect Evo X parts. Hopefully  along the way, forum members will have a way of solving the CEL issues.
In the worse senario, I can still ask other Piggy Back specialist to tune my car like Unichip. But that is a costly alternative as it cost about USD1,000 with installation and tuning to install in Malaysia.

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #11 on: September 05, 2012, 03:32:34 PM »
i just like the fact that they actually include dyno results with their product description, unlike rrm. I wish there was a way to see how these kits are holding up for people who bought them.
1990 Honda CRX Si
all the speed of a 09 ES w/cvt, but none of cvt.

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #12 on: September 05, 2012, 03:52:13 PM »
I ask Speedworks whether they have any warranty for parts fitted. They said only for the Turbo. My greatest grouse with locally fabricated Turbo Manifolds is how long will they last?

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #13 on: September 09, 2012, 01:51:27 AM »
I ask Speedworks whether they have any warranty for parts fitted. They said only for the Turbo. My greatest grouse with locally fabricated Turbo Manifolds is how long will they last?
Be careful with exhaust manifolds. A Russian guy with turbo Lancer repaired his Evo X turbo because something from welds of manifold fall on the blades and bended them. He was using cheap aftermarket stainless steel manifold. Stock one is heavier, but rock solid.

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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #14 on: September 09, 2012, 08:11:57 AM »
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Re: Hotbits turbokit for 4B10 and 4B11 any good?
« Reply #14 on: September 09, 2012, 08:11:57 AM »

 

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