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Mark B is great with good intentions but it unfortunately usually ends there. I happen to have my idle pulley off. The pully itself is marked with: 0604402L. The pulley also has a bearing that reads " NSK 6203DUl1"

You need to trial fit the header and mark off the location. Be careful to account for the various suspension components that you removed to install the header, especially on the rear header. What looks like a great location/fit becomes a big surprise on the final install. For the front header...

All true. My post was intended to reference most aftermarket applications as this is the relevant thread. In regards to the bosch unit used by MB; I do not believe that Mark gave it much thought; it was simple and cheap. Unfortunately, they have not proved very durable and are prone to leak...

The early BBSC does not divert. The Bosch unit on my install vented to atmosphere. It is my understanding that MOST FI set-ups do not recirculate.

I am also setting up my aftercooler with a BBSC. Make sure you replace the original basch rubber couplers with silicone. The latter will leak. Get good T-clamps. You have to tighten the hell out of the belt. The original Bosch units are prone to failure and are a source of boost leak. We...

Knowlege is power...both literally and figuratively. That Botchboost site is from Dali racing who has an axe to grind against Mark Basch and therefore not credible. The problem with many stories is not the system but the individuals who look to the system. They expect a bolt-on, trouble free...

Yes...

I have had both exhaust and headers installed since 1997 without problem. It is loud, but not oppressive. One advantage is that the header/exhaust outlet/inlet are 3"". Good flow if you are FI. I had to have test pipes custom fabricated to match; nothing on the market was large enough. There...

Mark Basch produced some of these a number of years after the BBSC release. It consists of a pump and reservoir mounted under the front hood (no spare tire), a school bus heater core mounted in front of the radiator, and the aftercooler mounted between the SC and intake. It also required...

How precise does the "sizing" need to be. The RC website provides calculation to size, but these require numerous assumptions which may or may not be true. Real world is hard to extrapolate due to variations in FI set-up/fuel delivery/tune, but probably more relevant. At >$600 a set, it would...

From what I have read (of course that is always suspect), it seems that the 500s can max out at 9-10lbs WOT or even run lean. Even if they are providing adequate AFR, they are probably at 95%+. It seems that 550s would be true target. However, if I have to buy new injectors my question is why...

Thanks, but I have the original 4" pulley. I need to have a pulley made that will result in ~9-lbs after at the intake (after the aftercooler). Still not sure what size pulley that will be????

It is amazing how a simple question can be spun or twisted out of control. I have learned from a recent nasty divorce (the real reason why my car and the BBSC are in disrepair).... ......the best way to handle attention seeking BS is to ignore it. For the record (see other post asking about...

The BBSC is not a bad system for the $$; but done right, it needs more $$. Just look at all the extra engineering and $$ that GM put into the new SC vet. However, I do not want to get into another blah, blah, blah about the BBSC. This has been rehashed many, many times. I just would like some...

I am missing parts of my BBSC that were not returned by Mark. Specifically, I do not have the spider or pully. I saw on an earlier post that someone located the manufacturer (Lovejoy) Will they sell direct? If not how do you source the spider? I have Mark's aftercooler. I would like to achieve...

Would the BBSC pundits please help with this. I am an early install but the car has been essentially idle pending upgrading all systems. I have upgraded the fuel delivery (340 gpm), added AEM ECU and dual wideband, Mark's aftercooler, oil cooler, upsized air intake and exhaust (headers/no...

All gaskets (valve cover packing, coil seals, and round rubber/metal seals) are available from Acura as a for each cover as a package rather then individually.

If you have any form of FI on an NSX you should very seriously consider some form of after/intercooling. Intake charge temps of 200F are NOT acceptable. Despite this, very few here have some form of cooling...and people wonder why engines fail. The reality of FI on an NSX is not money...

Do not underestimate the importance of the exhaust system in a SC application; ie headers and free flow exhaust. Exhaust gas back pressure is a significant restriction to airflow through a SC system. It is just as important to get the hot exhaust out as to get the fresh charge in. The more...

Can aftermarket 2 1/16" oil, water gauges be fitted in the stock cluster location?

I would like to place an oil cooler in the right rear fender. Many have done this; however, I have not seen a detailed description describing the specifics; i.e. parts, install, etc. Forum search gave some good info, but no specifics. Thanks

D'Ecosse, OUTSTANDING...thanks!

I actually pulled mine years ago; It was not necessary on our NA engines. However, with my SC the ambient air temp in the compartment is now substantial. I am going to put it back and have it turn on with ignition. May not help, but cannot hurt. Alternatively, I may use it to augment flow...

There is tons of content on that site and lots of useful info. It can seem like a maze at times. I find the much of the content very entertaining and funny.

Excellent point:eek: