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Check car-part.com. I found 3 within 25 miles of your zip for a 92 Daytona with a 3L-5sp...

The DOHC lifters are stationary (like in the 2.2/2.5) and are located in the head, not in the rocker tip like on the 12v. The SOHC 24v use the same lifter as the 12v.

I think this could be dealt with by coordinating the cam change and a valve job. Part of the valve job is setting valve tip height (this increases because material is removed from the valve seat...

The stock retainer and the valve seal make contact around 0.44". You really want to run with some clearance (~0.060"). So you can machine the bottom of the spring retainer to create space. Or you...

As others have said, going with the 3.3L spring, LS1 retainer and locks (trimmed) will help the clearance for the rocker. (ie. you won't have to trim the rocker arm.)

I think Brent was finding...

Actually, there is a noticeable change by advancing and retarding the cam. I was actually thinking about advancing one cam and retarding the other to balance the two banks.

You need to keep the...

That is what I found when I dropped an OBX in my Shadow's transmission. Gave me a little more confidence to do burnouts during this years dragweek with the Spirit...



I purchased new bearings,...

I ovaled the cam sprocket hole, then welded the other side to move the hole just slightly...

Might be easier/quicker to buy some universal fuel rail material and make your own rails... I know I got "lucky" when I bought a couple JY engines that one had the old style rails (and engine...

Agreed. For NA, my experience is that if you go richer than 13:1, you are leaving hp on the table... Not sure about leaner, I haven't tried going leaner...

Pusher fans are not as efficient as puller fans. If he wants that fan to be effective he will need to build a shroud for it. He might want to go to a junkyard and get a smaller fan that can be...

The exits are too big. The port itself can benifit from a lot of work. Just don't touch the short-side radius! I have never seen a gain there and usually a lose. Raise the roof some.

Several people (myself included) have reved the stock bottom end to 7500 without a problem. So 7000 should be safe.

After the bearings spun I rebuilt the motor and put it into the Spirit...

Spun two rod bearings. One was repairable, the other one I had to replace the rod. Boost came on VERY quickly. The new setup has a lot more lag (full boost comes on at about 3.5K.)

The turbo setup has less miles on it. Not sure how many, but ~120K at the time.

I was getting 8-9psi boost by 1800 RPM!

Yes. Too small of a turbine combined with too big of a compressor wheel lead to boost very early in the rpm band.

Yes the Schneider 6610 are a "drop in" replacement valve spring.

If you are going to turbo, it is a good idea to open up the gap on the rings. The concern is that the increased heat from the...

The issue is heat destroying the temper in the stock rings... For mild boost, this is probably not an issue.

On the torque plate. I think it is probably "helpful", but not like it is for certain...

:confused: Sundance and I rev'd the engine in my Shadow to 7500 RPM at Drag Week. The bottom end has 250k miles. The top end does have 3.3L springs and LS1 retainers... I will likely rebuild the...