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Try an LT4+1 = LT5.

BTW, when was the last time you either checked or changed your clutch fluid? If its black, change it. If it gets black again quickly, cylinder seals may be bad so you may want to replace the master and slave cylinder. I that doesn't do it, then it may be time for a clutch. One other thing to...

I did this swap on my 84 Z51. Completely changed the car IMO. Loved it. It's a bit involved and I can't imagine what the cost would be if I hadn't done it myself. Mainly it's parts swapping except for cutting the tunnel and grafting the ZF tunnel piece on. Just a little glass work. You'll need...

Yes pull the plugs. See if anything is happening there. Do any of them look like they've been steam cleaned.

Have you checked the underside of the oil cap? Does it look frothy?

Why would you think it won't line up? I would definitely port the Xfire. Also not convinced the Xfirencannflow enough for a 383. I did use a Xfire I'm 2.02 TFS 23d heads. However, it was using a 350.

I bring up the timing because at 97k miles, I would expect to see an issue w the 2 piece balancer. The outer hub moves in respect to the crank giving you a false reading. I installed a Fluidamper. Just a thought. You can mark the inner and outer hubs then start the motor. Put timing light on it...

160d F is about where motor goes Closed Loop. I'm assuming O2 sensor has been changed.How many miles on car? Have u timed it recently?

You swapped the CTS sensor at the front of the manifold?

Is the Timken hub a rear hub bearing? If so, what years?

Brett,So is 474 getting the Aerobody or the 90?

I always liked that one. It was one of the proposals for the C5 and came from GMs California Styling Studio. I think Cafaro did it.

The Xfire is definitely a DIY project if you want to get the most performance out of the stockinduction system. Fortunately for you others lime myself have already plowed the road for you.For the most part the Xfire is like any other SBC. So cam and heads with exhaust is the formula.However, to...

Go spend some time at ThirdGen.org. Look up the DIY Prom forum.They have stickies on Tuning 101. Read that first before starting off. The forumis an excellent source of information and lots of helpful/knowledgeable people.

Has there been any Vette better looking than a C4 ZR-1 with the clamshell hood open? 20 years later, the LT-5 still stands up to modern technology.With some basic mods, you are talking about an honest 475-530hp from a stock block 350 and a car capable of180+. The top end on these cars can be...

WTF! This article is from 2008.

The young ricer crowd know and respect the KOTH. As for power, the LT-5 responds very nicely to a few small "tweaks" ;)

I have a dyno sheet showing ~400rwhp @6800rpm on a stock block LT-5 motor with just ported plenum and IH and 1 7/8 Watson headers. Turns out the cam timing was out of phase. I did run a C5Z heads up at Byron last year and walked from him top end. His trap was 113, mine was 117+. One member of...

93 Rubie,Why don't you try an LT-5 and find out what a high revving small block feels like!?Power peaks at somewhere around 6800rpm with torque peak at 52-5300. That's alightly modified LT-5. Essentially porting the top end and headers yields about 400hp at the wheels.Port the heads and a bit...

Have you looked at zr1.net registry?