Thinking of this combo for my 327:

My short block has flat top 4 valve relief pistons.

Thinking of going with vortec heads

The Cam that comes with the vortec crate engine is a 0.435"/0.460" Hydraulic and is supposed to be designed for the heads from GM, from what i read it works very well and the 350 crate specs out at :330 hp @ 5,000 rpm
Torque :380 ft/lbs @ 3500 rpm. This is the Cam I want to use.

I know with less cubes I might be down on these numbers but that is ok as the power should be more than enough.

I want to go Performer RPM Air Gap. I have one now on my 327 (not air gap) and like the way it performs and I want the air gap for looks only.

I am going to use a Edl 600 carb to start but want to go with a cowl induction air cleaner assy to make my hood functional (might try to make an air cleaner though as others have done).

I plan on having 3:42 gears posi 10 bolt and 200r4 trans , but budget might keep me in a turbo 350?

Tell me what you think. Anyone running something like this combo?

Thanks
Joe

Back to our cars...............

Joe,

Sounds like an OK cam..

BUT imho, if your CR. is going to be up around 9.75 to 10 to 1, you flat can't go wrong with no more cam than the great old CC 268HE, (.454"),AND Crane/Cam Dynamic 272/272 Energizer, (.454"), in a 327 motor!

And even the CC 270 Magnum, (.470"), and Isky 270 Mega, (.465"), fit in here too IF the Vortec's can take them?

My old .040" over 327 like yours with 64 cc medium valve double-humps ran like a "scalded-dog" with the Energizer in it!!

pdq67

I have read some place that the Cam i listed is supposed be a 350 or 300 HP cam from the old days but has been reworked to better work with the Vortec head ports.

I agree the 268 is a great cam. Crate engine is 9:25/1 with Vortecs?

Anyone else on Vortecs and Cam choices????????

I haven't read anything about a reworked -929 cam that is used with Vortec's??

BUT I will say that a good old, cheap, generic "Performer" cam is a dandy for mild motors!! Summit's 204/214 cam..

pdq67

From the Sallee Chev site on the engne:

The cam is a modern dual pattern interpretation of the old 1965 to 1967 Corvette 327 cam. But with more lift and duration on the exhaust side, it does a better job of clearing exhaust from the combustion chamber. We also decreased duration and lift ever so slightly on the intake side to build more cylinder pressure. The result is a cam that makes great torque and horsepower with the 350 HO’s 9.1 to 1 compression ratio.

Joe, you're gonna be pushing hard on 10:1 compression, and I think a little more cam would be better. PDQ's suggestion of a 268he is a good one, I might even go one size up, what is it 276he?

I have dart 180's on my 327 (comp is 9.7:1) used a comp 270h. It wants more...

I just read my latest issue of CHP and they pulled that cam to make way for a VooDoo in one of the articles!

I flat didn't know thay had reworked the great, little old -929 cam!

pdq67

I think they may be talking about the -962 cam, 350 HP. I had this cam, -962, in my first 67 Camaro and pulled 17" vacuum, P/G, 3.73, 28X10.5 slick, ran the 1/4 @[email protected] mph for 2980#

Joe, I'd probably change the gear to 3.73 if going to run a 200R4. Flatops on your 327, good hp starter.

The -929 is 195/202 and .390"/.410".

This one is 195/205, .405"/.427" lift.

And the old -962 is 222/222, .450"/.460" lift.

pdq67

I should let it be known that i not looking for a 1/4 mile car, but it would be nice to be quick out of the hole. I want some performance but also want driveability and good MPG.

MPG & Nice Street performance are the goal. I figured I better clear that up as i have not said it. Ohh yes and pump gas.

Do you really think I will be close to 10:1 with the vortecs? The crate engine 350 is only 9:1 with flat top 4 valve relief pistons ( I think that's what it has, pretty sure?)

Thanks
Joe

More swept volume in a 350 than a 327, thus a lower static comp ratio, I think.

Joe,

I was looking into that GMPP 350/330 cam (212/221 @.050 .435/.460 112.5 LSA) for my 327 also. I didn't have the exact seat-to-seat timing #'s for that cam but, it hangs right in there with cams like the Comp. HE 268 & Crane 272/272 like PDQ67 was talking about.

The torque peaks at about 4000RPM and the HP numbers peaked at 5500RPM in my 327 DD2k setup. Looks like it should work good in a street 327 with a mild lope, strong midrange and good top end power. And the price (cam only)was a little over $95.00 at Scoggins-Dickey.

-Mark

Granny what kind of HP and Torque numbers did you get out of DD2K. Lobe speration from i was able to find is 12.5 on both intake and exhaust.

Joe

Granny,

You mean there is still another cam out there that I don't know about??

My bad..

Boy, I'm getting behind here, cam-wise..

pdq67

Ok guys tell me what you think of this deal:

Two new Vortec heads
All gaskets to change out heads,intake and cam.
New performer RPM Air Gap intake
Comp cams self aligning ROLLER TIP rockers, balls and nuts
New push rods
New 350 330 H/P vortec GM peformance parts cam Part #24502476
New head bolts and intake bolts
New Comp cams lifters
New black center bolt valve covers

Cost for everything is $1104.00 with shipping


Granny........what are those numbers? I am just curious what your getting. I am told this thing with the RPM intake and 750 Carb is good for 375 H/P !!!

Sounds out there to me and I only plan toa run a 600 or 650 anyway.

Joe