 44 idf carb jetting, What main jets should I be using? |
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| 03blueboo |
 Apr 3 2015, 12:15 AM
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#1
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Newbie  Group: Members Posts: 31 Joined: 9-July 13 From: Lexington, KY Member No.: 16,108 Region Association: South East States  |
I recently upgraded to the 2056 engine. I opted to use Empi 44s which I believe have 135 main jets. The problem I'm having is that in 3-5 gears, at about 4200 rpm, the engine just doesn't want to accelerate any more. I've been told to put bigger main jets in and that that should help.
I'm just wondering if anyone here has any input, and also what others are doing with the 2056. Thanks Nate |
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| stugray |
Apr 3 2015, 07:27 AM
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Advanced Member Group: Members Posts: 3,825 Joined: 17-September 09 From: Longmont, CO Member No.: 10,819 Region Association: None |
What size are your venturis?
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| stownsen914 |
Apr 3 2015, 08:08 AM
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Senior Member Group: Members Posts: 918 Joined: 3-October 06 From: Ossining, NY Member No.: 6,985 Region Association: None |
Lots of other factors to take into account as well - exhaust, cam, compression, any head work, (venturis as mentioned), etc. With that said, 135 seems in the ballpark. I ran a 2.0L years ago with Webers 44's, Euro pistons, a 3/4 race cam, mildly ported heads, and headers, and I used 145 mains. It ran well, and tuned with an EGT gauge, for what it's worth.
Scott |
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| Kansas 914 |
Apr 3 2015, 09:57 AM
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#4
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Advanced Member Group: Members Posts: 2,999 Joined: 1-March 03 From: Durango, Colorado Member No.: 373 Region Association: Rocky Mountains 
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Can we assume you are in Kentucky? What is the altitude there?
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Posts in this topic
03blueboo 44 idf carb jetting Apr 3 2015, 12:15 AM
gopack GO BADGERS! Apr 3 2015, 10:19 AM
03blueboo
GO BADGERS!
Yeah, that was fairly disappoi... Apr 5 2015, 11:17 AM DBCooper
GO BADGERS!
Yeah, that was fairly disappoi... Apr 5 2015, 12:21 PM colingreene ^ LUL Apr 4 2015, 12:36 AM 03blueboo The altitude is right around 1000 feet. I'm no... Apr 5 2015, 11:15 AM Mike Bellis I think 44's are a little big for that T4 comb... Apr 5 2015, 01:38 PM 03blueboo
I think 44's are a little big for that T4 com... Apr 5 2015, 03:39 PM Larmo63 I am going to run 40 Webers with 28mm venturis on ... Apr 5 2015, 03:57 PM colingreene you need to know what size your venturi is to size... Apr 5 2015, 10:48 PM 03blueboo
you need to know what size your venturi is to siz... Apr 6 2015, 11:29 AM |
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