Air/Fuel mixture gauge, To install, or leave it out? |
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Air/Fuel mixture gauge, To install, or leave it out? |
HansJan |
Apr 30 2020, 08:53 PM
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#1
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Member Group: Members Posts: 395 Joined: 5-April 16 From: Sugar Land TX Member No.: 19,860 Region Association: Southwest Region |
Will an A/F gauge make me happier, or will it drive me nuts?
The 914 is carburated, and it runs great. But still have explosions in the tail-pipe when engine breaking. To add to the drama, 90% of these tail-pipe explosions occur under freeway-overpasses. Whats the verdict on the Gauge Yes or No? Thanks in advance. |
Mark Henry |
May 26 2020, 11:18 AM
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#2
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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 |
I just used one of those on my DJET car but now people are saying it's too far from the engine for accurate readings? Thoughts? Mike The lambda needs the heat to read correctly, ideally 750F. I've measured a 100F difference just from a header collector flange (with gasket) to the muffler flange. Mufflers do get hot, but nowhere near 750F. Ideal it's 2 feet from the exhaust port for NA or 3 feet for turbo/SC and before the cat if you have one. On a 914 the best you can do is about 2-1/2 feet from the port which should be OK. The innovate clamp is idea I tried (home/shop made) back in the 90's/early 2000 and found it gave me inaccurate readings. |
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