Sorry missed a few questions. This car has been sitting here for a long time waiting for the results of the HTA88 turbo. After dyno'ing it on Jeff's car I felt that upgrading from what he had, considering the expense, wasn't in his best interest and I hate taking someone's money if I don't have to.


The strokers do make driving a big turbo a hell of a lot more enjoyable BUT something you have to consider. A car like this and many of the others we are building, even on pump gas, have the ability to run close to 140 mph trap speeds. This means that the engine is going to be over the recommended 8500 rpm limit I suggest to run when we build them.

This will mean a few things, you could change the gear ration out to a 4.11 or 3.8 and then you'd be fine, but that is a solid $2500 bill to do that.

The other thing to consider, and I am not suggesting this, but I have never had an RPM related failure in any of the EVO stroker engines I have built. So maybe my 8500 rpm revlimit is being over conservative.

Either way, for a guy who is going to drag race his EVO and wants to go 9's I just don't suggest it because of the RPM limits.

 

Very impressive for sure! That car would be a blast to drive.

 

Well this car is odd. Last time it was here I tuned it on straight E85 like I said and then tuned it on E85 with alky, power then was just about the same and kind of boggled my mind.

This time the same thing has happened. I'm on straight 93 making 590, put the alky on and made 604. Then we drained the tank and put in 3 gallons of C16, I am making a little less power than I was on straight pump gas.

I think it may be at the limits of the turbine housing/FMIC. I've seen the T67 Ptrim choke at higher boost limits before and that is why it has not been one of my favorite turbos. My brothers car does the same thing, more boost doesn't equate to more power over 35 pounds or so.

Very interesting though as this is the first time I've not been able to make more on race gas than on pump/alky.

 

But wouldn't the timing increase from something like 0-5 degrees to like 15+ degrees when going to C16? How come that doesn't equal more power than 10 whp?

Maybe something went wrong during the tuning?

BTW nice builds lately BR.

 

man those are some sick numbers

 

Great work Dave! Seeing these cars come out like this gives me a huge grin! I'm pumped to see what happens next!
Congrats on the accomplishment!

 

Bring the car down to Maryland and lets see those numbers Nick said 1500 if it beats his car

 

David, I don't see anyone taking you up on your offer . Free dyno time and 500.00 is a great deal . It sounds like put up or shut up time.

 

Well just looking at the notion of this rationally, it's difficult to determine whom should be the home dyno. Obviously $500 is meaningless to people who modify Evo's... much less a whole shop, so the cash aspect is irrelevant.

 

First off all I can say is WOW!!!

If my car make's 3/4 of that power when I'm finished, I will be the happiest Evo owner alive. Wow.

Now something I want to raise, this will probably cause me to get flamed or a flurry or reply/PM telling me to shut up because I know nothing about tuning cars but...

Disclaimer.
I don’t tune cars. I'm not a mechanic. I'm just an Evo enthusiast. End of story.

The Point of my Post.
If it’s unknown where the fuel in the car (which was used for the tune) came from. How can you be certain its not a higher octane fuel then what has been stated?

The only reason I want to raise this is because, I personally would want to ensure the car is using 93 octane before I start a thread claiming to hold the record for 93 octane.

I'm not trying to disrespect David, or anyone else. I know David has nothing to prove by starting this thread, everyone knows he is like the father modifying EVO's in the US, and the previous record for 93 octane I'm assuming was his anyway.

Just wanted to raise a point that maybe someone else was thinking but felt it wasn't safe to say.

Great numbers once again. If i lived in the US I would probably take my car to David's to get worked on.

 

crcrain, Your right it's not a dollar thing but a shop and owner pride thing. There are two major events near by and it would make a good tune up before the races. For everyone that has posted hate it is their shot to get the record once and for all, on one dyno. I really don't care which shop does it. This advances all the shops in building better engines and safer tunes. David I will add another 500.00 to make it interesting, how much money crcrain do you want to put up to see that.

 

that's amazing David and a true testament to the quality of the parts and tuning....clearly you have the recipe for 600awhp pump gas EVOs down pat. At this point people don't have to try to figure out what works anymore...it's all right there.

nice job!

 

If he is so confident then he should go to BR and prove it. If he wins he will have his 500 for gas and related expenses.

 

Well considering I don't gain anything apart from the enjoyment of the event which I wouldn't even be able to see personally, I'd put up $100 just to satisfy my curiousity. That is not for who wins, but just to see it happen. Only stipulation is I'd like to see an unbiased third party administer the dyno during the pulls.

DTM car do a pull. Buschur car do a pull. Back to back. Same dyno.

I think ultimately nobody cares about 10 whp here or there to make a record. People are smarter than that on here and will look at the curves and power band. But the integrity of DTM dyno has been called in to question so it would be nice to get that resolved one way or the other.

 

What's your point? Another shop had to run their mouth and call out 3 shops just so they can feel they are teh Supa-Bad-Azz-******...Well, here is the response to that thread...I see absolutely nothing wrong with it!