Some Weistec toys for Mr. PERTPLUS - Supercharged Mercedes C63 by ACG San Diego
06-14-2012, 05:30 AM
#26
MBWorld Fanatic!
06-14-2012, 09:30 AM
#28
MBWorld Fanatic!
Dont need or want the car to be that loud
Unfortunately no, I am not a track guy. Sorry.
Unfortunately no, I am not a track guy. Sorry.
06-14-2012, 09:39 AM
#29
MBWorld Fanatic!
Yea you see the fan. That is there to push air into the car through the intakes. Also the intercooler is not confined and covered by the front bumper.. not saying its allot at all just wondering tge difference, its gotta be worth someething
06-14-2012, 09:59 AM
#30
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2008 C63 ,2009 SL 63 AMG, 2011 SLS AMG
Congratulations pert plus. Excellent choice in mods and excellent choice going with Peter @ ACG. The build was professional.
Numbers on the dyno look Excellent for a mustang dyno. I have seen the new Brabus Rcket dyno 480 on a mustang dyno.
Enjoy it in good health
Numbers on the dyno look Excellent for a mustang dyno. I have seen the new Brabus Rcket dyno 480 on a mustang dyno.
Enjoy it in good health
06-14-2012, 10:01 AM
#31
MBWorld Fanatic!
The front bumper is shaped to funnel and direct air into the intercooler. Meaning the larger surface area is funneling the air into a point. Without the bumper it would not get directed. Its like filling up your car with gas with a bucket rather than a nossle.
06-14-2012, 10:20 AM
#32
MBWorld Fanatic!
I wonder if it actually makes it worse.
The front bumper is shaped to funnel and direct air into the intercooler. Meaning the larger surface area is funneling the air into a point. Without the bumper it would not get directed. Its like filling up your car with gas with a bucket rather than a nossle.
The front bumper is shaped to funnel and direct air into the intercooler. Meaning the larger surface area is funneling the air into a point. Without the bumper it would not get directed. Its like filling up your car with gas with a bucket rather than a nossle.
06-14-2012, 10:29 AM
#33
MBWorld Fanatic!
- Firstly have you seen this effect on a dyno? or are u basing it on when u remove everything for track use?
- Secondly a Fan will not provide = flow conditions to high speeds reached on streets... i heard its not even close
- Thirdly this is a FI car now, think they work a bit differently, could be wrong...
06-14-2012, 10:45 AM
#34
MBWorld Fanatic!
Looks like a great build, if you do not mind sharing, where did you guys mount the Oil separator? I am having a tought time finding a location other than dad's method of creating a bracket since weistec's original location obsturcts access to the dipstick, maybe I missed in the photos you shared but please share if possible, thanks
lower left corner of the picture .
06-14-2012, 10:54 AM
#35
MBWorld Fanatic!
If however the intercooler is partially covered by the bumper I can see removing it showing some gains. But I dont know how much on the dyno. But aerodynamically those gains would be negated by the terrible turbulence created on the track.
Last edited by propain; 06-14-2012 at 10:57 AM.
06-14-2012, 11:37 AM
#36
Former Vendor of MBWorld
I think you guys need to revisit the picture of the air duct system. Not to fuel this (actually to end this) but what you are asking is irrelivent to Dyno numbers on the Dyno. Leaving the hood open gives a much clearer path the intake ducts than removing the whole bumper and grill.
As for the heat exchanger being exposed (not intercooler) a Dyno is the worse condition for this. Hotter intake air temperatures are a major contributing factor to a decrease in optimal ignition timing. The decrease in ignition timing is a direct correlation to a big drop in power. Now the real question is, does the little black screen mesh in front of the heat exchanger block cold air front hitting it. The answer is no, we mount it literally right in the center and you can see the whole thing (minus part of the end tank which doesn't have cooling fins). Hope this sheds some light on your question. Thanks.
Weistec Engineering
As for the heat exchanger being exposed (not intercooler) a Dyno is the worse condition for this. Hotter intake air temperatures are a major contributing factor to a decrease in optimal ignition timing. The decrease in ignition timing is a direct correlation to a big drop in power. Now the real question is, does the little black screen mesh in front of the heat exchanger block cold air front hitting it. The answer is no, we mount it literally right in the center and you can see the whole thing (minus part of the end tank which doesn't have cooling fins). Hope this sheds some light on your question. Thanks.
Weistec Engineering
Last edited by Weistec; 06-14-2012 at 11:39 AM.
06-14-2012, 12:16 PM
#38
MBWorld Fanatic!
I think you guys need to revisit the picture of the air duct system. Not to fuel this (actually to end this) but what you are asking is irrelivent to Dyno numbers on the Dyno. Leaving the hood open gives a much clearer path the intake ducts than removing the whole bumper and grill.
As for the heat exchanger being exposed (not intercooler) a Dyno is the worse condition for this. Hotter intake air temperatures are a major contributing factor to a decrease in optimal ignition timing. The decrease in ignition timing is a direct correlation to a big drop in power. Now the real question is, does the little black screen mesh in front of the heat exchanger block cold air front hitting it. The answer is no, we mount it literally right in the center and you can see the whole thing (minus part of the end tank which doesn't have cooling fins). Hope this sheds some light on your question. Thanks.
Weistec Engineering
As for the heat exchanger being exposed (not intercooler) a Dyno is the worse condition for this. Hotter intake air temperatures are a major contributing factor to a decrease in optimal ignition timing. The decrease in ignition timing is a direct correlation to a big drop in power. Now the real question is, does the little black screen mesh in front of the heat exchanger block cold air front hitting it. The answer is no, we mount it literally right in the center and you can see the whole thing (minus part of the end tank which doesn't have cooling fins). Hope this sheds some light on your question. Thanks.
Weistec Engineering
Good info. Yeah I kinda of figured it wouldnt have any bearing.
06-14-2012, 12:26 PM
#39
MBWorld Fanatic!
06-14-2012, 12:31 PM
#40
MBWorld Fanatic!
06-14-2012, 12:34 PM
#41
MBWorld Fanatic!
06-14-2012, 01:54 PM
#43
MBWorld Fanatic!
06-14-2012, 02:04 PM
#44
MBWorld Fanatic!
I think you guys need to revisit the picture of the air duct system. Not to fuel this (actually to end this) but what you are asking is irrelivent to Dyno numbers on the Dyno. Leaving the hood open gives a much clearer path the intake ducts than removing the whole bumper and grill.
As for the heat exchanger being exposed (not intercooler) a Dyno is the worse condition for this. Hotter intake air temperatures are a major contributing factor to a decrease in optimal ignition timing. The decrease in ignition timing is a direct correlation to a big drop in power. Now the real question is, does the little black screen mesh in front of the heat exchanger block cold air front hitting it. The answer is no, we mount it literally right in the center and you can see the whole thing (minus part of the end tank which doesn't have cooling fins). Hope this sheds some light on your question. Thanks.
Weistec Engineering
As for the heat exchanger being exposed (not intercooler) a Dyno is the worse condition for this. Hotter intake air temperatures are a major contributing factor to a decrease in optimal ignition timing. The decrease in ignition timing is a direct correlation to a big drop in power. Now the real question is, does the little black screen mesh in front of the heat exchanger block cold air front hitting it. The answer is no, we mount it literally right in the center and you can see the whole thing (minus part of the end tank which doesn't have cooling fins). Hope this sheds some light on your question. Thanks.
Weistec Engineering
My question is would the car dyno more with the grill and bumper removed. Id think yes this isnt a challange just a question any blocking or restriction or insulation inmo would hurt results therefore with everything totally exposed it should help (on the dyno) obviously real world conditions would be totalky differebt! I would never care about dyno results.. as for the grill in my opinion the top peice i think is exactly bloking theintake openings.. so its gotta help removing the grill
Last edited by dodger63; 06-14-2012 at 02:11 PM.
06-15-2012, 03:24 AM
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06-15-2012, 09:11 AM
#48
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1990 300ce supercharged and intercooled
My question is would the car dyno more with the grill and bumper removed.
I would be willing to bet that there is little difference one way or the other. But if I were to guess maybe a small gain from removing the grill if it has resistance. Removing the bumper could actually hurt because air no longer has ducting to force it into the intake tubes and through the heat exchanger. Without the ducting air can no go around. Path of least resistance. I doubt the heat exchanger has much effect though because the thermal exchange from air to water is to slow on a single pull. That is why having a large reservoir is important.
06-15-2012, 09:25 AM
#49
MBWorld Fanatic!
Dodger,
I would be willing to bet that there is little difference one way or the other. But if I were to guess maybe a small gain from removing the grill if it has resistance. Removing the bumper could actually hurt because air no longer has ducting to force it into the intake tubes and through the heat exchanger. Without the ducting air can no go around. Path of least resistance. I doubt the heat exchanger has much effect though because the thermal exchange from air to water is to slow on a single pull. That is why having a large reservoir is important.
I would be willing to bet that there is little difference one way or the other. But if I were to guess maybe a small gain from removing the grill if it has resistance. Removing the bumper could actually hurt because air no longer has ducting to force it into the intake tubes and through the heat exchanger. Without the ducting air can no go around. Path of least resistance. I doubt the heat exchanger has much effect though because the thermal exchange from air to water is to slow on a single pull. That is why having a large reservoir is important.
06-15-2012, 11:08 AM
#50
MBWorld Fanatic!
