AC Bypass for 2.4 - Performance Forum

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AC Bypass for 2.4
Thursday, December 07, 2006 10:47 AM
Is there someone who makes a 2.4 AC Bypass? I'm only finding 2.2 bypasses, no 2.4's.
Anyone know?




Re: AC Bypass for 2.4
Thursday, December 07, 2006 11:29 AM
Yes GM does.
"No bypass Pulley".... belt size should be 345K5, but it doesn't work on all 2.4 years. All belt manufacturers are different. You might need a longer size belt.
Also...
GM bypass pulley 2.4L p/n # 24574519
Just because...GM bypass pulley 2.3L p/n # 22533199
Hope that helps. Also removing all your ac junk I mean lines, pump, condensers and all only weight in at 33 pounds. FYI.
I have run my 2.4 with the bypass pulley and just a belt. I have had better luck with the bypass pulley, and stock belt.




PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: AC Bypass for 2.4
Thursday, December 07, 2006 11:42 AM
-MD- LD9 wrote:I have run my 2.4 with the bypass pulley and just a belt. I have had better luck with the bypass pulley, and stock belt.


? to hard to get it around 3 pullies?




SPD RCR Z - '02 Z24 420whp
SLO GOAT - '04 GTO 305whp
W41 BOI - '78 Buick Opel Isuzu W41 Swap

Re: AC Bypass for 2.4
Thursday, December 07, 2006 11:53 AM
No hard. My car just keep EATING belts!



PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: AC Bypass for 2.4
Thursday, December 07, 2006 12:15 PM
weird




SPD RCR Z - '02 Z24 420whp
SLO GOAT - '04 GTO 305whp
W41 BOI - '78 Buick Opel Isuzu W41 Swap

Re: AC Bypass for 2.4
Thursday, December 07, 2006 12:53 PM
And that was before I made my pulleys.
I never really figured out why it ate them. I'm guessing from the angle around the pulleys maybe?
Maybe I try again with my pulleys on there to see if it is still hungry.




PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: AC Bypass for 2.4
Thursday, December 07, 2006 4:46 PM
-MD- LD9 wrote:Yes GM does.
"No bypass Pulley".... belt size should be 345K5, but it doesn't work on all 2.4 years. All belt manufacturers are different. You might need a longer size belt.
Also...
GM bypass pulley 2.4L p/n # 24574519
Just because...GM bypass pulley 2.3L p/n # 22533199
Hope that helps. Also removing all your ac junk I mean lines, pump, condensers and all only weight in at 33 pounds. FYI.
I have run my 2.4 with the bypass pulley and just a belt. I have had better luck with the bypass pulley, and stock belt.


I'm not doing it for the weight reduction alone. My AC Compressor clutch bearing is shot to @!#$. and it makes a really load @!#$ noise. It's embarrassing. And seeing as how I have yet to use my AC more than once a year, It's going good bye.

So, my next question is this:

That pully, the GM pully, doesn't it need something to spin on? Or that part number a kit?

And second, I see everyone saying p/n's up the wall. Where the heck do I look for the #'s? What web-site can I go to to find them?



Re: AC Bypass for 2.4
Friday, December 08, 2006 4:20 AM
The GM pulley is mounted on a frame that bolts to where the AC compressor is. You run your factory belt around it, just like the ac compressor's pulley.



PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
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