Was wondering how the LE3 heads and cam package would work on a stock bottom end of the LT1. Anyone do this? With all the mods that have to go with it (Headers, its a 6 speed, ported intake, 58mm TB, ect. ect.) do you think i will get the gains, or something close to the gains, on his web page for that package?

I was going to do a 383 or 396 with this setup, but don't think i will have the money for it. So what i think i want to do is try for this setup on the stock bottom end and then re-do it to a 383/396 when i get the $$$.

In your opinion, would it be worth it? Oh yea, and i'll be on a 12 bolt and tires this spring.

Thanks in advance.

 

I don't think it would be very streetable. Its larger then the GM 847 cam.

 

I'll be putting LE3 big-valve heads on my stock bottom end here in a couple of months, I'll let y'all know how it turns out. However, I've got a cam from Bret and I don't know exactly how it compares to the LE3 cam. Mine's a daily driver and certainly streetable (for my tolerance level, at least).

 

the LE3 heads are the same as the LE2. The only difference is the cam specs.

 

I know that at least used to be the case and I'm not sure if he has changed the nomenclature...but I do know the big valves on mine aren't the standard LE2 fair. I'm not sure if anything else is different.

 

wat is the website for lyod elliot parts

 

Not looking for "streetable". I take it to the track alot but it only goes in the street on weekends.

It'll be safe on the stock bottom end spinning 6300 R's? (I think thats what he advertises for a RPM range).

Someone on tech told me that on stock bottom end/displacement it will still put out 400whp with all the components that go with it (LT, tune, TB ect. ect.) How many of you agree with that?

 

http://eportworks.com/

Email from Lloyd

Below is a basic run down on the head and cam packages. The best package will depend on HP goals, budget, rear gears, stall size, future plans, emissions, driving style, tuning ability, existing components, etc., etc, A phone call would be best to make sure that we can talk through these things and get a package that will work like you are wanting it to and also make sure that you have the complimenting parts to make each set up work.

I offer cam and head packager from $1100 to $1650.

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LE1 cam pulls from 2000 to 6200 RPM and should make 370-390 RWHP with matching heads, 30 lb injectors, 52 TB, 1 3/4 LTs, No cats, good tuning, etc. The heads are ported using stock valves, performance valve job, back cut valves, CM 612 springs, retainers and locks, milling, cleaning and assembly. These heads flow about 255/180 with a 195 cc intake port and stock LT1's flow about 215/150 with a 170 cc intake port.

Heads and cam are $1100 (plus shipping). This has the RPM range of the Hot Cam, CC 305, etc. but makes more HP and TQ over these cams through out the entire RPM range. This will work with any gear and converter but the track times will be better with a stall and some gear.

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LE2 cam pulls from 2200 to 6500 RPM and should make 400-420 RWHP with matching heads, 30-36 lb injectors, 52-58 mm TB, 1 3/4 LT's, no cats, GOOD tuning, etc. The heads are ported and machined for larger Ferrea 2.00/1.56 valves, matching springs (Comp 987/977 springs and Ti retainers or Bee Hive springs and CM retainers depending on lifter type and EXACT cam specs), locks, locators, milling, cleaning and assembly. These will flow about 270/190 with a 205 cc intake port.


Heads and cam are $1650 (plus shipping) and will need GOOD tuning. This has the RPM range of the CC 306 cam but will make more HP and TQ at peak and across the board. The REAL difference will be the LE2 cam will make TQ in the 2500 RPM range and the cc 306 doesn't start until way past this.

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LE3 cam pulls from 2600 to 6800 RPM in a 350 (2300 to 6500 RPM in a 383) and should make 410 to 430 RWHP with matching heads, 36-42 lb injectors, 58 TB or mono blade, GOOD tuning, etc, etc, etc. These are the same heads as above. This type of RPM requires a lot more spring pressure and will also need Comp R lifters to handle the spring pressure.

Heads and cam are $1650 (plus shipping) and will need GOOD tuning. This cam is similar to the GM 847 cam but makes about 10 more HP at peak and starts making HP sooner. Makes more HP and TQ across the board. Needs gear and converter to work well in a 350. Pretty much a racing cam for the 350 or a good street cam that will act like the LE2 in a 383.

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Everyone has a different opinion about what is streetable and what a safe RPM limit is for their engine.

If you are looking for just cylinder heads and with out a cam, the heads are priced at . . . . .

$750 for the LE1 heads only
$1300 for the LE2 heads only
$1300 for the LE3 heads only

Give me a call and I can help you pick a combo that you will be happy with.

Lloyd Elliott-------------------------------972-617-5671----------------------------Red Oak Tx 75154
NightTrain66@msn.com

 

He does offer larger valves for the LE3 heads now so you were correct in saying so. I just had an outdated email.

 

Is this an A4 or M6?

It says the powerband would be upto 6800rpms. Would this be "safe"? No, you run a high risk of spinning a bearing or various other things. Its a gamble.

 

Its an M6. You always run that risk when "racing" your care though. On tech, i have heard a few people saying they spin 6800 regularly with an A4 car and 75000 miles on it. Granted, thats not my car.

But your saying not to do it this way? (run the heads and cam package and change it over to a 383/396 later)

As far as the technical side, i'm not missing anything right? If i do run the LE3 package on stock displacement, it won't take anything to change it over to a 383 as far as the heads and cam go correct? (just have to do the bottom end)

 

Spinning a stock bottom end to 6800rpm could lead to that 383/396 sooner than you had planned

 

See i don't understand this ! On tech, every single person said to go for it and they do it on their LT1s regularly with stock bottom ends and have 60k+ miles on them. But on here, everyone says that it will be real bad. I understand nothing is for sure, but i find it weird how one site can be 100% opposite of the other.

I think, however, i'm going to go with the plan. Hopefully everything goes well. Guy on tech made the point that i don't have to spin it over 6 or 6200. Just won't get the full effect or hp out of the package. But it will be better then what i got now right?

Keep em coming though, would love to hear what more of you think.

To all that replyed, THANKS!

 

There is the factory stock and the built stock bottom end. The factory stock won't last long but a built stock with proper clearances,oil pump,pan and bolts will go a while if you don't miss a bunch of shift's.

 

Damn, Lloyd can get 420 rwhp out of heads that flow 270/190? I've always heard that 420 rwhp is damn hard to get out of an LT1 even with LT4 AFR heads. If what I just read is true then I just might go with Lloyd's product. 420 rwhp is great, especially for roughly $1700.