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| 33mm flat slide mikuni tuning on modded 23 vanguard http://mudmotortalk.com/mmt_v2/viewtopic.php?f=3&t=74085 |
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| Author: | havoc97 [ Tue Aug 13, 2019 7:53 am ] |
| Post subject: | 33mm flat slide mikuni tuning on modded 23 vanguard |
Anyone running a 33 flat slide on a modded 23 vanguard? Just finished putting together a new build, and went with a flat slide over the 34mm round for this build. Motor starts on choke, but as soon as you either take it off choke or give it throttle, it falls on its face and dies. Anyone know a good starting point for jets? Current Jetting 127 main 25 pilot Mods are as follows: Port and polished intake, and intake adapter Heads decked .040, port and polished 308 billet cam STOCK PISTONS AND RODS Any help would be appreciated. Thanks in advance guys |
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| Author: | cb5331 [ Tue Aug 13, 2019 8:43 am ] |
| Post subject: | Re: 33mm flat slide mikuni tuning on modded 23 vanguard |
Have you adjusted the idle air mix? Or set your idle speed? The flat slides don't really have a choke. It's called a "starter" and all it does is dump extra fuel, so if it will run with extra fuel, I would get the motor some more fuel. I don't know anything about jetting one of those, but I'm pretty sure you can make adjustments with what you have to at least get running. Will C or Huck Finn would be who I'd ask for a good starting point jet wise. Sent from my SM-T710 using Tapatalk |
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| Author: | Will C [ Tue Aug 13, 2019 8:36 pm ] |
| Post subject: | Re: 33mm flat slide mikuni tuning on modded 23 vanguard |
First thing is double check for a vacuum leak, double check valve lash |
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| Author: | Will C [ Tue Aug 13, 2019 9:08 pm ] |
| Post subject: | Re: 33mm flat slide mikuni tuning on modded 23 vanguard |
Use sealant between carb boot and intake. Another common smallblock mistake it torquing the heads down not thinking about the lack of Dow pins. This will make a big vacuum leak where the intake bolts to the heads |
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| Author: | matttwad [ Wed Aug 14, 2019 5:02 am ] |
| Post subject: | 33mm flat slide mikuni tuning on modded 23 vanguard |
| Author: | Will C [ Wed Aug 14, 2019 10:00 pm ] |
| Post subject: | Re: 33mm flat slide mikuni tuning on modded 23 vanguard |
Install the intake with no gaskets and only finger tight. This will hold the heads square while torquing |
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| Author: | matttwad [ Fri Aug 30, 2019 12:04 pm ] |
| Post subject: | Re: 33mm flat slide mikuni tuning on modded 23 vanguard |
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