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ENGINE APPLICATION MANUAL GM Powertrain
Gasoline 4.3L V6 90 Degree Revised: 08/15/2000
File: c:\data\manuales\v6-truck\am43v6#3.doc
Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00
58
3.3.2.4 Temperature Rise
The intake of air must avoid the suction of air coming from the hot spot areas of the inside of
the engine bay such as proximity to exhaust manifold.
As referenced in table 3.3.2.4 - I, development power and torque data is shown to illustrate
the order of magnitude that may result as increasing the induction temperature.
3.3.2.4 Filtration Requirements
GMPT requires an air filtration medium that is capable of removing 98.7% of the material
contained in reference material SAE “Course Dust”.
The following table shows the different Air Cleaner ASM and Components coupled to the
L35 engine per GM platforms.
Table 3.3.2.4 - I
4.3L V6
Development Power Variation and
Induction Temperature Increase
Inlet Air Temperature Power Loss
(Deg-F) (%)
77 0
90 2.7
100 5.1
122 8.5
144 11.6
176 16
208 20.3
Engine Air Cleaner P-Truck C/K Truck G-Van M/L -Van S/T Truck
( 6 M 3 )
Air Cleaner 25147074 25322546 15754209 15747601 15747865
15766610 15747867
Bracket 15982176 15735434 25171130
15987694 15735435
Adapter 15997186
Bolt/Screw/Nut/Stud 3846202 11516484 11516727 15992646 15994910
11508300 11516589 11992647 11515933
11509542 11516587 11514596
14045263 15994910
15992647
15994910
Duct 15985845 15057511 15016578 25160175 25173868
15985846 25168087
15729512
15971184
15755160
15020026
Clamp 15986419 15986419
2465839 2465839
8868639 8868639
Elbow 15003750 15003750
15994899 15994899