![]() ![]() I really want to keep the stock system if I can and it seems I'm one part away from it so I will likely be keeping it stock. Free Shipping - DIYAutoTune MegaSquirt MS3Pro EVO Standalone Engine Management Systems with. Its 125 to 150 depending on where you get it. PS- I know most of you will say get a turbomaster and be done with it. You would be surprised at how many cars out there are 1 to 3 psi low at 6000 rpm due to an old boost solenoid. It has some sort of cowling on the rear which from the pictures appears to be the only difference. It appears mine has the vent filter on it. I guess the wastegate has a vent filter and the boost does not? Is that the only difference? Do I have both on my truck or just one (located on the rear of the engine, driver's side)? If both, where is the other located? Which one should I get? Is it the Wastegate solenoid or is it the Boost solenoid? They look nearly identical. I am trying to order a new one but I'm not sure which part it is. Bypass the solenoid (by connecting the vacuum lines) and I get normal boost. Tap the solenoid with a wrench with the engine running and it opens up and I get full vacuum after the solenoid. I get the vacuum gauge out and it shows 25" from the vacuum pump. Con’s Can cause over boosting if wastegate diaphragm is too small, or solenoid tuning from the boost controller is too aggressive. Can provide 4x-6x more boost than base wastegate spring pressure. Tephra Map switching on stock ECU helloyellowevo 2003 Evo 8 - BBK Full / 2.3 / e85 ethanol / 415whp/. 4 port solenoid boost controller Pro’s Can provide faster spool up and boost response. 1) These starters are made by Nippon Denso. I used to get wicked high boost in 5th gear when i got on it, like hitting fuel cut high boost. Starter Solenoid Rebuild Kits EVO: Engine Control STARTER & SOLENOID ASSEMBLY Starter & Solenoid Function The starter system consists of the following components: Starter Switch, Starter Relay, Starter Solenoid & Starter Motor, the last two being combined into a unit. ![]() Second time I get into the throttle I start blowing black smoke with no boost. GM 3port boost solenoid using ECU-controlled boost. Yeah, almost forgot my UTEC boost settings went from 450 for 17psi at 55 gain to 260 and 30gain for 17 psi after the GM solenoid was installed, it makes tuning so much easier. Take it for a test drive and first time I get into the throttle the boost is great. So I got the new vacuum pump and it puts out great vacuum. ![]()
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