Brad-ManQ45

My '72 351CJ Mustang had a solenoid that operated against the throttle linkage for a fast idle when the compressor was on....

Glenn: You have a PM

I don't know exactly what you are asking here. A waste gate gets a manifold vacuum/pressure signal which causes it to start opening a a preset level of boost. As the description implies, this vacuum line is to the intake manifold. Now, if you were talking about a BOV, and are planning to recirculate air, then the large diameter output from the BOV should be routed to immediately in front of the turbo compressor intake, and the BOV should be mounted close to the front of the throttle body.

You now have nothing but BAD Karma left..... Lucky dog....

Clifton: What car are you running MSII on, and what ignition?

Very Nice!

If I were with AJ, I'd preignite....

You say PO-TATE-O and I say PO-TAHT-O... If one wants to argue what constitues performance: What kind of performance do you get in regard to gas mileage" How does your engine perform in regard to emissions? If you want to measure performance by "area under the curve", then you still are only talking about WOT, and EGR is not an issue. If your definition of performance is to maximize power at all rpm/vacuum conditions, then indeed, EGR affects performance. On a road-race or autoX car, I can see this rather limited view of the word performance applied to good use. On a street car, I think the broader view of all around performance is more appropriate. Semantics. It is documented that you get better mileage and lower emissions on engines with EGR and fuel injection that have been tuned for it. I personally am fond of breathing, and even after I don't have to be emissions tested, I will keep my catalytic converter, MS my ZXT, and utilize a wideband and EGR for my daily driver to maximize performance in the areas of, power, mileage and emissions. No doubt I will bias toward power and mileage (since everything is a compromise something has to take back seat), but I have no doubt that what I end up with will pollute less than the stock EFI system.

The ZXT's already have Pop Off Valves and something that works as a BOV. No need to get any. If you were using a different Intake Manifold, then you could go to HKS, Greddy, Blitz, Turbonetics and get BOV's (and have to drill and tap the intake for it). HKS has Pop Off Valves.

Actually guys, EGR is critical in the search for fuel economy with engines past the mid 80's. Take the LT-1 for instance. By this time GM knew what they were doing with EFI, and through the use of EGR, they could advance the timing further at part throttle cruise and get better gas mileage. EGR has never been used at full throttle on any car, so max power has never been affected by having EGR on the engine. I will agree that at smaller throttle applications you don't have quite as much pep, and certainly, there is no arguing the fact that the system falls under the category of "more stuff to go wrong", but don't rip it out on a whim - especially if you're interested in emissions and economy with your performance.

I agree that you should optimize your setup - AFR's, timing, amount/size/efficiency of intercooler. But once that is done, there is a point that no more gas will inhibit detonation. That my friends is the point that you start using water injection. For those with EBC's with 2 or more settings, this would be a piece of cake. MBC's and this combination a bit more of a pain. After all, you can set a max level for when you're just on the street, and select the times that you use tyhe higher boost level and water injection. A fail safe for the wastegate if you run out of water would be nice - hmmmmmm.....Megasquirt, Boost control and water injection w/failsafe - it just might get done...

Cool to keep them out of the garage and house. They are natural enemies of termites, so I can't say they're better off gone, but then I'm 52 and don't roll around/play in the yard - only mow the dam* thing. Killing the workers won't get the queen, but the bait type poisons will. Instant Grits works well for this and is non-poisonous.

Hugh MacInnes, in his book Turbocharging, devoted an entire chapter to water injection. A quick rundown if I may This is cut down/paraphrased: You can only ward off detonation only so much by adding fuel. Once you add water, you can use a leaner AFR than you had at the point you started experiencing detonation and be able to run more boost. A 50/50 mixture of water and alcohol will give even more power.

Pop N Wood: You are indeed correct, the Black and Red wires are the two wires to connect for power, the ground would go to green, as the white wire is the neutral, which is the "return" for the 110/120/125 volt circuit in newer dryers. This also follows the standard for any 110/120/125 volt circuit of one hot wire and a neutral wire. The only difference here of course is the extra hot to provide 220/240/250 volts.

If all you are looking for is 350HP, why limit your off boost response with only 8:1 compression ratio? Assuming you are going to run an intercooler and a decent turbo, you should have no problems with the flat tops and regular head gasket.... Many people are putting turbos on NA engines with large injectors and getting that kind of power and good off boost performance as well. A little more info on your plans may help us help you....

I wwasn't able to get the video to play in either Firefox or IE...

Hemi Cuda wasn't until '70...

Thanks Clifton. This will be a daily driven car, so response is a biggie for me. I haven't done the math, so I don't know what the temperature will be after the intercooler, but the main point was that no more heat would be added while the turbo freewheels, so heat ain't the issue.

What ON3GO said...Although I couldn't take it over 70, handling was great. Too bad engine and transmission were in one case. The Pantera took the term "awkward pedal placement" to new heights -even for an Italian car. I got to drive a Dino a lot more, and loved it! very tossable and the ride was great. A bit underpowered compared to the V8's and 12 bangers tho. I always wanted one....Just like I always wanted a Miura.

Ditto

Thanks 240hoke!

I've driven one, and believe me, your right knee won't last....The gas pedal location is AWFUL. Usedo work at AutoMod Atlanta back in the 70's, and have driven Panteras, Porsches - turbos too, a Lamborghini Muira, Maserati Ghibli's, and a couple Ferarris - Dayton and Dino.

Professional Whats? - - ewwww - never mind...

The air coming out of the intercooler is much cooler than 200 degrees, the pressurized air is being KEPT in the intake system and isn't getting any hotter because the turbo isn't compressing it any more, and I've already stated that once boost hits, the bypass valve would not leak, so you effectively bypass the turbo and get more air at tip-in. This is why Mistubishi and other manufacturers used this type of bypass valve, for off idle throttle response. If you wish to contest either of these points, please do so after doing a search here in this forum for BOV and bypass, reading the threads that pertain specifically to these subjects - there were only 5 or 6 informative ones, so it shouldn't be too much of a burden.

Actually, Chrysler used the VATN turbos on some of their cars in the 80's...the Charger was one.