Suddog

iTrader: (10)

Finally finished the new 21/218 lowlift cam install in my lil engine that could (4.8L).

It fired right up and idled like stock...Had mad lifter knock so I shut it down. Oil pressure was 40 PSI. I started it again and had the same lifter knocking. I revved it up to 2k and then let idle for a couple minutes. Lifter knock quieted down some, but still not right. I went inside, ate dinner and racked my brain to figure out what went wrong. After dinner, I went back out there and torqued all the rocker arms again. None of them moved, so I bolted everything back up. Fired up again only to find the engine running rough as hell. I forgot to plug in the right coil packs Plugged them back in and low and behold it fired up and idled like it should with no noise.

I will post videos up in a bit.

I will now have to figure out the HP tuner. I am kicking around the idea of getting a mail order tune then tweak it with the HP tuners. Thoughts?

Mark Johnson

iTrader: (1)

Sounds schweet. Do keep us updated, and keep a TBSS converter on the back burner for the future. I'm subscribing to this...............

Edit; oh yeah, about the tuning, you'd prolly be best off as you mentioned, with a mail order tune then tweak it from there.............

MPFD

iTrader: (5)

I'd get a tune, I messed with my 212/218 tune for almost a year before I got it right. Looking back I would have been alot happier with a tune. It wasn't hard to get WOT tuned, I had a hard time getting to start quickly and not surge at idle. Got a tune on my new motor and it runs like stock...

Suddog

iTrader: (10)

I am uploading the vid's now...it takes awhile.

grey matter 04

iTrader: (9)

your saying you woulda been happier with a tune over the 212/218 cam?
That surging issue you talk of is odd

i ran mine on the stock tune for a short time and had no issues with surging
this cam far out shines any tune,i gained 5 mph from it show me a tune that does that?

Suddog

iTrader: (10)

I think what he meant was he should have bought the mail order tune with his 212/218, instead of trying to tune by himself.

Stock tune is ok for now...but mine does not like to idle with the AC on...it surges pretty bad at a stop sign. That is easy enough to solve with the HP tuner. I am looking at the mail order tune to help with the PE and WOT settings. Short and long term fuel trims I think I can handle. I just dont have the wide band 02.

Suddog

iTrader: (10)

Do you mean TB I6 converter? I have been looking for the I6, but no luck.

Leevon

iTrader: (3)

I'm watching this one, my 212/218 has been sitting in a box for a year with every tool and part needed to swap it I just lack the time. You're getting me motivated. Let us know what you do with the tune!

Suddog

iTrader: (10)

Get that thing in there. It took me about 12 hours to do the cam swap (I took my time). My 4.8 idle is very nice... I havent had the chance to really open up the thottle yet, but I can feel a big difference in the "on Base" driving. Once I get this thing warmed/broke in, WOT test here I come! Highest speed limit on the military base is 45MPH. Drag Strip is only open fridays between 9pm-12am. And if it rains (I live on a tropical Island) which is often at night, they close the track.

Suddog

iTrader: (10)

Here is the first start up video (notice the lifters tapping) Don't mind the Dyson in the back ground, the wife was cleaning her Denali lol