WEGO file
Seasoned HDF Member
Joined: Mar 2010
Posts: 20,956
Likes: 7,484
From: Poolville
I'm by no means trying to start an exhaust debate but I like the fatcat, it looks and sounds great. My RB prostock is also nice just too damn loud. I know you guys like Supertrapp, but my personal experinece with it is not good, it blocks my it dipstick, the quality is awful for what I paid and again, just my personal experience, sounds just as bad. I really wish I could get rid of it.
D&D seems to recommend their pipes with Woods cams. Anyway, finishing up installing the 31 and will post a new wego file. Thank again guys.
D&D seems to recommend their pipes with Woods cams. Anyway, finishing up installing the 31 and will post a new wego file. Thank again guys.
Seasoned HDF Member
Joined: Mar 2010
Posts: 20,956
Likes: 7,484
From: Poolville
John, I was also thinking that maybe a post in the mechanical Tuning section you might get more advise on tuning with a Wego... Not many guys here in the Evo Section tend to do so.. Just trying to help is all....
Seasoned HDF Member
Joined: Aug 2008
Posts: 5,064
Likes: 2,091
From: Ohio
Let's see what happens with the 31 low jet, went back over the whole graph and your not that far off. You have a rich idle and really rich below 3000 rpm's which is a smaller jet change, set the idle warm with the 31 low using the active Wego digital at 13.5-13.8 and not so much as how many turns (use your equipment). Drive it glancing down at the active Wego digital to see where your low speed and cruise AFR's is at, as an example if your at 14.3 cruise and 14.3 idle, lower the idle AFR and see how it affects the low speed AFR, you can adjust this setting on the road instead of running a recorded graph allowing some time saved.
Once your lows and idle AFR is blended, take a ride with the Wego recording and see where the mids and WOT throttle is at, I think you have a lot of fuel carry over from the 33 being so rich and the normal acclerator pump cleanup during throttle roll on and post another graph, think the 31 is going to clean up some problem areas
Once your lows and idle AFR is blended, take a ride with the Wego recording and see where the mids and WOT throttle is at, I think you have a lot of fuel carry over from the 33 being so rich and the normal acclerator pump cleanup during throttle roll on and post another graph, think the 31 is going to clean up some problem areas
Seasoned HDF Member
Joined: Mar 2010
Posts: 20,956
Likes: 7,484
From: Poolville
Let's see what happens with the 31 low jet, went back over the whole graph and your not that far off. You have a rich idle and really rich below 3000 rpm's which is a smaller jet change, set the idle warm with the 31 low using the active Wego digital at 13.5-13.8 and not so much as how many turns (use your equipment). Drive it glancing down at the active Wego digital to see where your low speed and cruise AFR's is at, as an example if your at 14.3 cruise and 14.3 idle, lower the idle AFR and see how it affects the low speed AFR, you can adjust this setting on the road instead of running a recorded graph allowing some time saved.
Once your lows and idle AFR is blended, take a ride with the Wego recording and see where the mids and WOT throttle is at, I think you have a lot of fuel carry over from the 33 being so rich and the normal acclerator pump cleanup during throttle roll on and post another graph, think the 31 is going to clean up some problem areas
Once your lows and idle AFR is blended, take a ride with the Wego recording and see where the mids and WOT throttle is at, I think you have a lot of fuel carry over from the 33 being so rich and the normal acclerator pump cleanup during throttle roll on and post another graph, think the 31 is going to clean up some problem areas
Yeah it's a Sunday and it's cold and shitty so I have a lot of time today...
Last edited by 98hotrodfatboy; Mar 3, 2019 at 01:42 PM.
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