We decided to a) pass smog b) set the motor up for track use and a far quicker response in lower rpm's thru redline.

 

Tim,

I knew we experienced a bearing issue at some point in the build. In hind sight I recall it had to do with two different bearings made by Clevite for the 996tt. One that was a stock issue and one that was designed for extreme loads. I had to go back to March 2010 to find the letter sent to me.

We posted this in post #3448, on March 31, 2010.

 

CJV- So give us some details. How do you like it after all this time? Does it perform as you hoped? TIA

 

I wish I could give you an answer to your question. Several months ago Scargo called and told me they had the person who could install the Motec and do all the wiring harnesses. I met James and he definitely had the work experience. Something happened between the two and until just last week I wasn't able to hammer out an agreement.

Bottom line is the car is going to be moved to James's garage where he will do his work and then it will return to Scargo where the balance of work will be completed.

I will give a report as soon as possible. James's says once he has the car it will take him less than a month to do his work.

 

I wish I could give you an answer to your question. Several months ago Scargo called and told me they had the person who could install the Motec and do all the wiring harnesses. I met James and he definitely had the work experience. Something happened between the two and until just last week I wasn't able to hammer out an agreement which would keep the two happy.

Bottom line is the car is going to be moved to James's garage where he will do his work and then it will return to Scargo where the balance of work will be completed.

I will give a report as soon as possible. James's says once he has the car it will take him less than a month to do his work.

 

Have you spoke to Tim about Motec at all? He works with James who is an engineer at Motec East.

 

It isn't just the ability to install Motec, James McCrocklin, set up and federalized most of the 959's for Cannepa (Monterey) for 22 years. He has federalized many other cars as well. I want this car's engine to be street legal in California. James has the credentials to accomplish this. One big reason we are using Motec is the ability to control the dual injectors as well as other Motec options. This car is not being designed for standing start competitions ........ no reason to tear everything else up. It is not being designed for top speed contests. It is being designed for competition where we can keep the four tires planted (keeping the front down) to about 215 mph with the ability of extremely quick response.

Another plus is James lives about 60 miles away.

The intent of this reply is not to take a thing away from Tim.

 

Outstanding build

You have a pm

 

I have been away for quite some time and randomly remembered Chad's health situation. I came back to check if there were any health updates. Very happy to hear about the clean bill of health, and secondly to see the adventure is continuing/coming to an end.

Chad, please appease us all with video's of the beast when it's all fine tuned.

Regards,
Momin

 

We are moving along, just slower than anticipated. While moderating on the 997tt forum I found a billet manifold made by ES Motors. It was similar to the modified Cup manifold we purchased years ago from EVOMS .... yet different. I was impressed with the way the mid section was designed as it incorporated many of the proper air flow theory used in intercooler science. Bottom line is I offered to have the manifold flow and balanced tested at my cost. The results were a far better flowing manifold as well as much more balanced. During the testing we also discovered a couple of things that believe it or not further improved the manifold.

So where are we now. I inquired as to obtaining a manifold with the improvements and having the part that fits the standard throttle body modified to accept the 95 mm oval throttle body we are using.

I am not at liberty to disclose the actual results (that will be for ESmotor to do), however I can say I only wish I would have been aware of this manifold prior to expending the thousands of dollars on our own manifold research/design and mock ups.

 

We are moving along, just slower than anticipated. While moderating on the 997tt forum I found a billet manifold made by ES Motors. It was similar to the modified Cup manifold we purchased years ago from EVOMS .... yet different. I was impressed with the way the mid section was designed as it incorporated many of the proper air flow theory used in intercooler science. Bottom line is I offered to have the manifold flow and balanced tested at my expense in order to see how it stacked up. The results were a far better flowing manifold as well as much more balanced. During the testing we also discovered a couple of things that believe it or not further improved the manifold.

So where are we now. I inquired as to obtaining a manifold with the improvements and having the part that fits the throttle body modified to accept our larger 95 mm oval throttle body.

I am not at liberty to disclose the actual results (that will be for ESMotor to do), however I can say I only wish I would have been aware of this manifold prior to expending the thousands of dollars on our own manifold research/design and mock ups.

Here is a link to our testing pic. https://www.6speedonline.com/forums/...ml#post4030026

 

Ordering the Chevrolet 95 mm oval throttle body. It will be sent to ESmotor to fit to the above manifold. Also ordered an aluminum pulley from Scargo.

The part # for the Throttle Body is 12629992. The O ring # part # is 12576549. The four 4 bolts part # is 11519971.

 

Picked up the 95 mm throttle body, o ring and bolts today. Will be sending it to Emre at ESmotor to have the upper part of his manifold made to fit the larger 95 mm throttle body. The stock ESMotor manifold will accept a 90 mm throttle body max. It has a opening of 92 mm. https://www.6speedonline.com/forums/...ml#post4030026

 

Nice. I had one of those 95mm TBs I was planning to use on my E55 AMG. I had the plug and play jumper harness made and everything, never got around to installing it and got rid of the car. You are not concerned with the driveability and idle RPM?

 

The car will be extremely drivable. Motec management, 4.3L (82.4 mm stroke x 105.7 bore), custom intake/exhaust cams. dual injectors,

The car was engined dyno'ed with GT42R turbo's. These had great power and response in the upper rpm's. Not bad in the mid rpm's .... but wouldn't be really drivable.

Since then we have changed our goals. We are using smaller turbo's and the car will go to a Smog Referee to be tested for full compliance as built.

When all said and done with the way the motor was designed and built it will be extremely quick and very drivable. The car has been regeared so top end will be under 200 mph ...... but getting there will be quick. The engine was designed for 9300 rpm's ... it will probably be limited to 7600 to 7900 rpm's.

One other thing, we are setting it up for 91 octane. Don't want to be hassled trying to find fuel. It won't be as bad as it sounds. The head temps are about 800 degrees cooler than stock head temperatures due to piston, combustion chamber and exhaust port ceramic coatings, 965 oil squirters and GT1 three index oil pump and reworked GT3 head water passages. The cooler combustion temps allow for more advance with lower octane.