Dyno'd the Groundzero LIM yesterday. Dyno sheet too. :)
#27
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I have barely drivin the car since it was tuned, but it does feel very smooth, and it seems to build boost sooner even though I am running a 67mm comp wheel instead of a 61. Thanks forall the phone help Ralph. I will post my dyno for you to see when I get it e-mailed to me.
Ryan from Indianapolis
Ryan from Indianapolis
#28
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Am I missing something here? How can equal length runners in the lower intake increase horsepower or torque? In my limited understanding - the same amount of air is still coming in through the TB. I would think the only advantage would be consistant AFR across both rotors and EGT.
Chris
Chris
#29
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Originally Posted by zkeller
On a side note, everyone is wrapped up on HP numbers, understandable. How about the balanced EGT readings?
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Originally Posted by the_glass_man
Again this is something you can't tell unless you had an EGT in each runner prior to the manifold and test it again after the manifold.
I hope you ment egt probs in both runners of the exhaust manifold with the Stock LIM and the same egt probs still in the with the new equal length LIM.
#31
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Originally Posted by manatecu
What good is before the manifold? I hope you don't have EGT's before the manifold.
I hope you ment egt probs in both runners of the exhaust manifold with the Stock LIM and the same egt probs still in the with the new equal length LIM.
I hope you ment egt probs in both runners of the exhaust manifold with the Stock LIM and the same egt probs still in the with the new equal length LIM.
#33
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Have you guys ever noticed that most of us never make only one change at a time. I changed manifolds and went from a t72 TO t70gts turbo so I dont know the before and after either. I got the weather station fixed today and CJ is bringing his car back saturday. I am going try and match boost and afr per
before and after graphs and Ill also give the correction factors with barometric
pressure, temp, and humidity. We are going to have another test here in a week on the GT42r setup and can compare it also. Now that there are some LIMs out there we can also get others to see there results. We are not big manufacturers like edelbrock, we designed these to fix a problem we had with our motors,
example LIM to fix lean rear rotor and our oil ringed pan for LEAKS!! All the rest
of the benifits of these products is just iceing on the cake to us.
Thank you everybody for all the input and help, this is why I love the RX7 community!! Ralph Friend
before and after graphs and Ill also give the correction factors with barometric
pressure, temp, and humidity. We are going to have another test here in a week on the GT42r setup and can compare it also. Now that there are some LIMs out there we can also get others to see there results. We are not big manufacturers like edelbrock, we designed these to fix a problem we had with our motors,
example LIM to fix lean rear rotor and our oil ringed pan for LEAKS!! All the rest
of the benifits of these products is just iceing on the cake to us.
Thank you everybody for all the input and help, this is why I love the RX7 community!! Ralph Friend
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Originally Posted by radkins
I have a rule about my car. If the engine is out, it's not going back in till its faster
My rule is probably: "Do it right, do it once."
#36
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Originally Posted by manatecu
Am I missing something here? How can equal length runners in the lower intake increase horsepower or torque? In my limited understanding - the same amount of air is still coming in through the TB. I would think the only advantage would be consistant AFR across both rotors and EGT.
Chris
Chris
Ty
#37
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this is why I wanted ralph to tune my car, great guy. Here is an odd question but can anyone lay the stock lim down and lay the gz manifold down and show me the difference in thickness. The fact that the runner moves 1" further doesnt affect me, but the thickness does.
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Here are a couple of pics for comparrison. They are just about the same in thickness.
The bolt boss in front is going to be redesigned for a lower fitment.
Sorry I cant get the pics to load.
The bolt boss in front is going to be redesigned for a lower fitment.
Sorry I cant get the pics to load.
Last edited by Xcessive; 03-03-05 at 03:18 PM.
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