Official DDMWorks Supercharger Information - Page 3 - Pontiac Solstice Forum
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post #31 of 965 (permalink) Old 07-13-2007, 12:51 PM
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Quote:
Originally Posted by Red Devil View Post
If you don't mind me asking, how much more did you have to advance the timing due to the charge being non-intercooled? Do you guys follow the general rule that 1 degree, or so, per psi...and then maybe a few more degrees for the hotter charge?

Kind of curious as I've never tuned a piston engine.
You have no idea how bizarre that sounds to me!

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post #32 of 965 (permalink) Old 07-13-2007, 12:56 PM
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You have no idea how bizarre that sounds to me!
I don't follow? I have some experience with rotary engine tuning - but I'm by no means a guru for that either, or anything close.

I'm just as curious about direct injection for this car, as I am for exposure from the various members here regarding the tuning tricks they are employing. To a certain extent, internal combustion is internal combustion, is internal combustion, and it also kind of isn't...

To give you an idea, my current rotary engine has 3 injectors and 2 spark plugs per rotor (piston). The two spark plugs are fired at a given degree before top dead center (BTDC) and are generally spaced in firing by 10 degrees...but this can vary dependent upon RPM and boost (if there is boost) and load. The injectors are staged on rpm dependence, and of course duty cycle/load.

RX-8 driver just passing through...

Last edited by Red Devil; 07-13-2007 at 01:02 PM.
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post #33 of 965 (permalink) Old 07-13-2007, 02:10 PM
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The 2.4L is not direct injection like the 2.0 turbo, so adding a SC to this motor is easer than you would think...and the VVT would actually be a plus.....I'm studying on the action of cam lobes and there duration right now to start looking around for one....that may enhance the performance ...and I'm wondering if the don't go over 270 still applyes...seal9
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post #34 of 965 (permalink) Old 07-13-2007, 02:12 PM
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Garage
Moved this thread to the Supporting Vendor News section for easier finding and higher visibility.









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post #35 of 965 (permalink) Old 07-13-2007, 08:17 PM
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could you possibly offer this kit for the 2.4 delta platform(cobalt) also?
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post #36 of 965 (permalink) Old 07-15-2007, 07:35 AM
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Dave,
I would think one would want to keep the exhaust temps away from the charger so my question is:

Is there a heat shield in the kit, or do you use the stock shield?

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post #37 of 965 (permalink) Old 07-15-2007, 05:18 PM
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Will be arriving at DDM Works early tomorrow am. Can't wait for the SC install!!

Hold On, We are going for a ride !
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post #38 of 965 (permalink) Old 07-15-2007, 06:18 PM
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Quote:
Originally Posted by DA 1234 View Post
Will be arriving at DDM Works early tomorrow am. Can't wait for the SC install!!
Don't forget obout those of us who "toil and wait" and have six weeks left to go.

Keep us informed as your "Maggie" installation goes...and good luck!

Jackknife

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post #39 of 965 (permalink) Old 07-15-2007, 06:43 PM
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No problem. Really anxious to see how it performs.

Hold On, We are going for a ride !
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post #40 of 965 (permalink) Old 07-15-2007, 07:59 PM
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Whats the expected fuel consumption? How much more or less fuel is used?
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post #41 of 965 (permalink) Old 07-15-2007, 08:14 PM
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Whats the expected fuel consumption? How much more or less fuel is used?
About the same, depending on driving style....the first few weeks after install it will be less...

06 Cool solstice - Positively Displaced intercooled SUPERCHARGER Current Status : having fun
98 GP GTP - ~500hp (intercooled, 15psi) Current Status :broken Tranny
86 C10 Silverado ~ 450hp (383"^3 NA) Current Status : broken tranny
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post #42 of 965 (permalink) Old 07-15-2007, 08:16 PM
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SolGTP what's the new redline at?? Is it different??

2003 Dodge Ram 4x4 QC/SB - w/ a 4-horse Bison trailer in tow

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post #43 of 965 (permalink) Old 07-15-2007, 08:20 PM
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SolGTP what's the new redline at?? Is it different??
7000rpm, so 200 above stock

06 Cool solstice - Positively Displaced intercooled SUPERCHARGER Current Status : having fun
98 GP GTP - ~500hp (intercooled, 15psi) Current Status :broken Tranny
86 C10 Silverado ~ 450hp (383"^3 NA) Current Status : broken tranny
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post #44 of 965 (permalink) Old 07-15-2007, 08:30 PM
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7000rpm, so 200 above stock
Okay that's cool. I was a little concerned we'd lose RPM's.

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post #45 of 965 (permalink) Old 07-17-2007, 07:01 AM
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Just got back to Ohio around 6:30 this morning from DDM Works.
What a great group of guys, and Ivy too! Dave and Randy really paid attention to detail on the SC install. Great product, took it for a run after unloading my Sol from the trailer. Boy you are right, 3rd and 4th gear really do accelerate. Thanks again Dave and Randy, next time I see you I owe you lunch! Time for a little rest.

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