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-   -   Need help with an A/F issue on new build (https://www.offshoreonly.com/forums/general-q/359380-need-help-f-issue-new-build.html)

underpsi68 03-11-2019 09:22 PM


Originally Posted by hogie roll (Post 4676665)
Lash way out hanging some valves open?


Lash is good. Set cold and when checked hot all were one thousand loose.

14 apache 03-11-2019 09:31 PM

How much timing and what head you running?

underpsi68 03-11-2019 10:04 PM

At 7psi 20, 21 in the upper rpms, Twisted Wedge heads

sutphen 30 03-13-2019 07:02 AM

have you put a timing light on the engine,,I usually have a map thats all 1 number(usually 25) and make sure its igniting right.

14 apache 03-19-2019 10:49 PM

How did you do??

underpsi68 03-20-2019 06:59 AM

No update. Still waiting on tranny guy to look at valve body and had a busy weekend. Hopefully it will be back together this weekend.

14 apache 03-20-2019 08:09 AM

Ok keep posted. Thanks

underpsi68 03-20-2019 11:51 AM

Tranny guy just called. Picking up valve body on the way home from work.

Baja Rooster 03-20-2019 02:31 PM

Here in San Francisco picking up a tranny body on the way home has an entirely different meaning. Best of luck! ;)

underpsi68 03-20-2019 06:00 PM

Yeah the words didn't feel right as I was typing it lol. Im sure pretty similair here in NY. ��

Picked up valve body and of course he didn't find anything wrong with it. Just got done installing it and started on the jack stands. Installed different plugs and checked timing on all cylinders. Timing is 1 degree advanced on all cylinders so just have to adjust the crank trigger settings. Probably won't get out on the road until sat. Suppose to rain here tomorrow and I want to fix a few things I put off.

Had 4.5psi waste gate springs in so I could tune the fuel map down low. On the 3rd and last pull 2 weeks ago I set the boost controller to around 7psi. After finally looking at the logs the other day, it showed the boost was 7psi at 6000rpm than dropped back down to 5 by 7000rpm. Took a look at the car and found one t bolt clamp that wasn't tightened up and blew the pipe off going to the intercooler. That explains that. Have 9psi springs in the wg now, no more playing around!!!!

Will update after more testing.


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