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I was a regular at ls1 tech, with several hundred posts. I unregistered over there because its a ego fest. More arguing and cussing than actual technical discussions, most of the time. I did learn a lot about the LS engine, however, but I will never log back in over there. I started a new build thread here, and I'm glad I did.:lateral: |
Always good to see someone else from the Pacific NorthWET!:woot:
Nutter does some engines and dyno's them over at Jim Preston's some times... and he used to build Preston's drag motors... Where are you in the PNW?? |
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Nutter is a great guy to work with, he's told me a few stories about his drag racing days... do you know him? |
some of your posts indicate the engine is very streetable. I was wondering if you could comment on a few things -
what is your idle vacuum and rpm ? When you do a cold start at < 45 degrees out, is it the kind of OEM cold start where you can just drive away right away with no issues or is it still a bit hot roddy where you like to let it warm up a minute or two or at least have to drive a bit gingerly at first ? By gingerly I just mean in my rig on a cold start it will drive more or less ok, but it doesn't like a bunch of quick throttle and it will still be a bit balky at low rpms and small throttle inputs until it warms up. |
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After the engine starts I usually let the car run for about 30 seconds before I touch the gas. At that point the car is ready to go. Before the engine gets warmed up I just roll on the throttle gradually. It takes a bit before you can hit it hard. The engine does not balk or stumble though. It has a crisp smooth tip in off idle even when cold. I do a lot of driving on the street and in traffic... no problem... easy to drive, seriously. This is my first LS engine project with computer control. I am amazed how well the engine starts up, runs, and idles, and returns to idle. The idle always returns to exactly 1,000 rpm at the stop lights (no surging). I have driven the engine in 100 F degree temps this past August and now in the 30's F with no change in the tune. So much better than a carb set up. http://i1048.photobucket.com/albums/...1-06151014.jpg Here is a link to an under hood; cold start; idle video. The temp was in the upper 30's F when I did the video. The idle speed was 1,000 rpm. |
remote oil filter mount on hood hinge
When I did the dry sump oil system I had to figure out where to mount the remote oil filter. I ended up fabricating a custom bracket that mounted onto the stock hood hinge. The bracket uses the factory fasteners for mounting. This worked good... I didn't have to drill any holes on the inner fender or fire wall. The filter cleared the stock heating duct on the fire wall. I bought the billet aluminum black annodized oil filter mount from Moroso.
http://i1048.photobucket.com/albums/...ps26a625d9.jpg http://i1048.photobucket.com/albums/...psb8a6532f.jpg View from back side http://i1048.photobucket.com/albums/...ps5cdee709.jpg |
I plumbed in a pressure switch into the oil filter mount. The switch turns on if the oil pressure drops to 18 psi. I mounted a large red light in the car so that if I ever have an oil pressure issue the light turns on. This way I don't have to monitor the oil pressure gauge.
Also, I installed an AEM wide band gauge to get real time feedback on the air fuel ratio. http://i1048.photobucket.com/albums/...ps7d025de9.jpg Yea that is the original AM Delco radio and factory Tach. Some day I might go FM..... http://i1048.photobucket.com/albums/...psd63f0721.jpg I replaced the factory cluster gauges with autometer (originals didn't have any numbers) http://i1048.photobucket.com/albums/...ps760b2ad5.jpg |
I believe what you say about the engine being very driveable but a 10" idle at 1000 rpms falls pretty far outside my desires. I currently pull 16" at 850 rpms and I still find the thing a bit rumpity (mine is a big windsor). But I'm getting older and my daily is a '92 Cadillac so anything feels rumpity to me.
I was curious as I have a driveability issue pulling 4th/5th gear below 2000 rpms and was wondering if my Super Victor intake was part of the issue, so I was interestedin how it drove for you, sounds like it drives pretty good. |
Again very nice motor Dale, you in Vancouver, BC, Canada or Vancouver, WA?
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