 Delayed power when accelerating ? |
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| cal914 |
 May 20 2018, 11:11 AM
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Member  Group: Members Posts: 319 Joined: 12-April 12 From: United Kingdom Member No.: 14,366 Region Association: None  |
I have a 2.0 original 6 engine upgraded too a 2.2 with E cams ,I had the carbs rejetted because she was apparently running to lean ,now when accelerating the car splutters and there’s a vagueness when accelerating at speed allmost as though it’s being pulled back (if that makes sense )she’s also she pops a lot at speed ,any advice would be great
Thanks Brian |
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| iankarr |
May 20 2018, 11:26 AM
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The wrencher formerly known as Cuddy_K Group: Members Posts: 2,471 Joined: 22-May 15 From: Heber City, UT Member No.: 18,749 Region Association: Intermountain Region 
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I’m not a carb expert by any means, but had my share of the same issues on my carbed 2056. Oversll, it sounds like the carbs are out of sync....which would explain a lot of what you’re describing. Jetting may also need to be fine tuned further since that pulling back sensation indicates a “flat spot” and popping is usually cause by a lean condition.
I’m sure if you post your jets, vents, linkage, last rebuild and how you synched the carbs, the brain trust here (especially Chris at Tangerine) can help! |
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| cal914 |
May 20 2018, 11:38 AM
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Member Group: Members Posts: 319 Joined: 12-April 12 From: United Kingdom Member No.: 14,366 Region Association: None |
I had the work done at an independent Porsche Garage ,I’d have to check with the Mechanic to see exactly what he changed ,I was going to take her to a rolling road to have them take a look ,is that a good idea do you think
Thanks Brian |
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| 914Toy |
May 20 2018, 11:43 AM
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Senior Member Group: Members Posts: 716 Joined: 12-November 17 From: Laguna beach Member No.: 21,596 Region Association: Southern California
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QUOTE(cal914 @ May 20 2018, 10:38 AM)  I had the work done at an independent Porsche Garage ,I’d have to check with the Mechanic to see exactly what he changed ,I was going to take her to a rolling road to have them take a look ,is that a good idea do you think Thanks Brian Cal, sent you a PM. |
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| GeorgeRud |
May 20 2018, 02:23 PM
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#5
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Advanced Member Group: Members Posts: 3,725 Joined: 27-July 05 From: Chicagoland Member No.: 4,482 Region Association: Upper MidWest |
Read Paul Abbot’s excellent article on Weber carburetors on his Performance Oriented website. Be sure to check your timing and valve lash are correct before fiddling with the carbs however. Plugged idle jets are often a problem with Weber carbs and today’s ethanol laced fuels. If you have access to the equipment, knowing if it’s running lean would help. Also be sure to check your accelerator pump volume if it’s perhaps going lean when you’re accelerating.
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| Mark Henry |
May 20 2018, 02:46 PM
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
QUOTE(GeorgeRud @ May 20 2018, 04:23 PM) Read Paul Abbot’s excellent article on Weber carburetors on his Performance Oriented website. (IMG:style_emoticons/default/agree.gif) A must read for working on IDA /6 weber carbs. QUOTE(GeorgeRud @ May 20 2018, 04:23 PM) Also be sure to check your volume if it’s perhaps going lean when you’re accelerating. (IMG:style_emoticons/default/agree.gif) Did you install a new gasket kit? Your accelerator pump diaphragms might be shot. |
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