djjab57

iTrader: (17)

Man going on price can be hard but keep checking the classifieds, when i started mine I found my Forged scat I beam rods NIB and Mahle Forged pistons NIB from a guy who changed his mind. Got $1000 In new parts for $600 shipped

vtec

iTrader: (1)

it still has a 12 degree split in the duration and the old magnum lobes... similar to the cc306.

green96ta

iTrader: (11)

Cnc cylinder heads ported them.

Puck

iTrader: (17)

Nevermind - I thought it was an Xtreme Energy lobe, in between an XFI and Magnum in aggressiveness.

gregrob

iTrader: (8)

They will probably run ok. Just dont get caught up in flow numbers. Without velocity, big flow makes for a TURD on the street.

Let us know how it goes for you.

Post some pics of the porting too

Bersaglieri

iTrader: (13)

I've seen graphs for up to 429rwhp out of ported heads and the CC306. Although it's not the norm, the wide split of the CC306 may benefit it some on nitrous, but I'd probably go with a different grind unless it's something you already have.

Ask T/A LT1 how he liked that CC306 with nitrous, he cracked off low 11's motor and 9's with nitrous He should be able to give you some "actually used it" advice vs interweb advice.

-Dustin-

96capricemgr

iTrader: (1)

The way the intake flow peaks at a low lift and plummets suggests to me the QUALITY of airflow is lacking and the air is going turbulent. The exhaust numbers are obviously with a pipe. You realize to PROPERLY put 2.02 valves in an LT1 head you need new seats. That adds up to more money and in the end no more performance. Matter of fact the best ported heads based on results use 2.00 valves that fit a stock seat.

You continue to bench race without regard for what actually works.

I wish you luck but keep going this way and you are going to spend a lot of money and not get the result you want.

green96ta

iTrader: (11)

Well the guy backed out of the heads that i posted the flow numbers on. So now i have bought a set- they have also been cnc ported, however they have 2.00 and 1.56 valves. i do not have flow numbers on these heads-i will have them flowed as soon as i get them. here is some more about these heads from the website of the porter.

"Combustion chamber modifications include - Unshrouding of intake and exhaust valves, blending the chamber surface into the entry angle of the valve seat and combustion chamber reshaping as necessary to promote more efficient combustion & flame travel. Chamber volume can be tailored to to achieve your desired compression ratio. Weather you are building a low compression forced induction motor or a high compression race engine, we can help.

Valve Job - Our precision multi-angle valve jobs blend the valve pocket into the combustion chamber. Valve seat widths and angle are set to individual application requirements.

Port modifications include - Full length intake & exhaust port modifications to achieve the ultimate in air flow at the minimum port volume to promote excellent midrange torque & drivability while still providing the necessary high RPM horsepower.

With additional concentration on mid-lift flow values, you are ensured a cylinder head that will produce a broad power curve. Special porting for blower applications is also available to enhance flow characteristics on applications which utilize positive pressure in the intake port.

Do not be fooled by the competition claiming big flow numbers. No one races flow benches!!! The above items are just as important to power production as peak flow numbers."

RamAir95TA

iTrader: (2)

What's the website?

EDIT: Found it. http://www.lonniesperformance.com/cnc.htm

green96ta

iTrader: (11)

yeah thats it. the guy is looking for a spec sheet on them. ill post up if he sends it to me. and i saved a ton on these heads so i will def. be getting a custom grind. any suggestions on who i should get to do it?

RamAir95TA

iTrader: (2)

Of course I have suggestions, but I get lynched daily for it. Hint - in my sig.

green96ta

iTrader: (11)

Got the heads in today. everything looks great. I cleaned the heads up, and took some pics. they are going to the machine shop tomorrow to get the deck checked and the chambers cc'd. they are gonna clean them up too. I cc'd the intake runners and got 200 cc. so give or take a lil. even though i measured conservatively. Also the heads have been stamped with a JR. CNC ported. 2.00 and 1.56 valves that as you can tell from the pics have been un shrouded.








Track Marks

green96ta

iTrader: (11)

It is now official- 62cc chambers and 200cc runners

1961ba427

iTrader: (26)

Since you are changing everything anyway....can you list your setup that gave the results in your signature?

green96ta

iTrader: (11)

i had full bolt ons including ewp and 52mm tb. crane springs cc503 with stock heads. 2500 stall, 150 tnt wet kit. 373 rear. drag radials. madz tune.

suspension i had rear adjustable shocks lca's and relo brackets.

thats the gist of the set up i was running.

1961ba427

iTrader: (26)

Thanks....I haven't been to the track (with my lt1) yet, but I'm close to that set-up and that is about what I want to run with it naturally aspirated.

Lawhead

iTrader: (14)

Man I would expect more then a 12.68 at 107 with a cammed car mine stock with bolt ons ran 107 and didn't have RR or EWP or 52 MM TB.

green96ta

iTrader: (11)

depends on weather. i ran that in 95 degree weather and very high humidity. if you look at the da you will see what im talking about. in good weather it would have ran 12.3-12.4, and you also have to take into account the tiny *** stall i had. with a 3600 stall and good weather might have netted a 12.0 or maybe an 11.9999999999 run. lol and i see your et was 13.22- with a 2.11 60' you can throw that mph out the window-a bad 60' makes for an inaccurate mph.

Lawhead

iTrader: (14)

Not quite sure about how "inaccurate" it is my car ran that MPH so thats is quite accurate

but mine was on stock stall and wasn't "Full Bolt ons" lol glad to see your changing cams though the CC503 seems to be quite the "Sounds good" doesn't do to well at the track kind of cam from what I've read but people bash the 306 as well and good luck on you build I'm build a 355 and looking for 10s with H/C/I on some N20

green96ta

iTrader: (11)

what kind weather did you run that in? i see your in fla. so im guessing that is a fall/good weather time. not saying its a bad time-you just cannot compare good weather times to scorching high humidity times. The last time at the track in good weather i blew a head gasket. but ill dig out the time slips-on 7 cyl it ran 12.5 n/a and 11.5 n20. i would have seen low 12s and low 11s- but oh well, ill be seeing mid 10's here real soon.