05-28-2012, 11:06 AM
|
#1 (permalink)
|
master modder
Join Date: May 2012
Location: tahlequah,ok
Posts: 76
Thanks: 50
Thanked 2 Times in 2 Posts
|
what is the best intake temp? hot/cold?
__________________
-its hard to have a fun life if you don't have fun in life-
|
|
|
Today
|
|
|
Other popular topics in this forum...
|
|
|
05-28-2012, 12:00 PM
|
#2 (permalink)
|
MPGuino Supporter
Join Date: Oct 2010
Location: Hungary
Posts: 1,808
iNXS - '10 Opel Zafira 111 Anniversary Suzi - '02 Suzuki Swift GL
Thanks: 831
Thanked 709 Times in 457 Posts
|
I'm shooting for 140 F.
|
|
|
05-28-2012, 01:17 PM
|
#3 (permalink)
|
...beats walking...
Join Date: Jul 2009
Location: .
Posts: 6,190
Thanks: 179
Thanked 1,525 Times in 1,126 Posts
|
I've seen 180ºF specified, but that seems awfully HOT ! ! !
|
|
|
05-28-2012, 01:17 PM
|
#4 (permalink)
|
EcoModding Lurker
Join Date: Aug 2011
Location: Sequim, WA
Posts: 71
Thanks: 1
Thanked 8 Times in 8 Posts
|
Quote:
Originally Posted by t vago
I'm shooting for 140 F.
|
Why not 120 or 160?
|
|
|
05-28-2012, 10:17 PM
|
#5 (permalink)
|
MPGuino Supporter
Join Date: Oct 2010
Location: Hungary
Posts: 1,808
iNXS - '10 Opel Zafira 111 Anniversary Suzi - '02 Suzuki Swift GL
Thanks: 831
Thanked 709 Times in 457 Posts
|
Quote:
Originally Posted by tortoise
Why not 120 or 160?
|
Because?
Right now, I can reach 120 if it's about 65 F or so outside. The past few days, outside temp's been around 90 F during the day, so I have hit 140 fairly easily.
However, my engine has no knock sensor, and I am somewhat afraid to push my engine to the point where pre-ignition could take hold. Besides, that's about at the upper temperature where they test these production models before the models get released for sale to the general public. So... Not much more than 140 F.
Last edited by t vago; 05-28-2012 at 10:23 PM..
|
|
|
05-29-2012, 08:53 AM
|
#6 (permalink)
|
Administrator
Join Date: Dec 2007
Location: Germantown, WI
Posts: 11,203
Thanks: 2,501
Thanked 2,588 Times in 1,555 Posts
|
The best intake temperature will vary depending on engine design mainly and alternatly many many other conditions (load probably being one of the biggest ones).
|
|
|
The Following User Says Thank You to Daox For This Useful Post:
|
|
05-29-2012, 09:37 AM
|
#7 (permalink)
|
Banned
Join Date: Oct 2009
Location: Fort Worth, Texas
Posts: 2,442
Thanks: 1,422
Thanked 737 Times in 557 Posts
|
GM and the others were shooting for a near-constant 115F in the early seventies with those crude emission control devices. A constant temp meant other parameters were more easily tuned. And WOT was unaffected, overall, as a cold air intake could feed the carburetor secondaries (which were not part of emissions tuning).
My last carb'd car (big block Chrysler) used this method, but isolation for the carb mount was used to try to avoid heat soak of the unit itself.
Hot oil and hot coolant seems do-able . . hot intake air seems a little more difficult to get just right.
.
|
|
|
05-29-2012, 10:20 AM
|
#8 (permalink)
|
master modder
Join Date: May 2012
Location: tahlequah,ok
Posts: 76
Thanks: 50
Thanked 2 Times in 2 Posts
|
Quote:
Originally Posted by Daox
The best intake temperature will vary depending on engine design mainly and alternatly many many other conditions (load probably being one of the biggest ones).
|
that makes sense
__________________
-its hard to have a fun life if you don't have fun in life-
|
|
|
05-30-2012, 05:20 AM
|
#9 (permalink)
|
EcoModding Apprentice
Join Date: Oct 2010
Location: winterpeg, manisnowba
Posts: 211
Thanks: 9
Thanked 18 Times in 18 Posts
|
my engine pings somewhere past 70c(158f) intake temp. at idle
Last edited by baldlobo; 05-30-2012 at 05:27 AM..
|
|
|
05-30-2012, 06:39 AM
|
#10 (permalink)
|
Corporate imperialist
Join Date: Jul 2011
Location: NewMexico (USA)
Posts: 11,268
Thanks: 273
Thanked 3,570 Times in 2,834 Posts
|
I have seen up to 180'F on my camaros under hood intake and air cleaner air back when I tested it in the summer of 2010. 160'F was pretty normal.
On cool mornings the air temp could swing from 60 to almost 160 so I decided the air from the out side was a lot more consistant.
__________________
1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
|
|
|
|