I'll start off with my combo:

1977 Z-28:

0.060"- over 400 small block, stamped-steel GM guided-rail rockers, Vortec heads with stock 1.94/1.50 valves (ported by me), RPM intake with modified Holley 750 vac. secondary, Holley Blue pump and regulator, 11:1 compression, 234/244/114 .488"/.510" lift Crane flat-tappet hydraulic cam, 1 3/4" ceramic coated long tube Hedman headers, dual 3" exhaust with race Flowmaster 2 chamber mufflers, TH400 with 11" 2800 converter, 4.10 gears with spool, Moser race axles, CE 90/10 front and 50/50 rear drag shocks, welded through the floor custom made SFC's, 4130 8-point roll cage, Weld Pro Star 15x3/15x8 wheels, with 165R/15 front ties, BFG Drag Radials 275/60R/15 rear.

So far I've managed a best of 12.45 @ 109.66 with a 1.89 60'. Car is still not upshifting where it should - ground down the governor weights in the TH400 and its hitting 4900 RPM on the 1-2, 2-3 shift, left in drive. Going to grind some more weight off until I get a 5700-5900 RPM shift point. I also need a cowl hood for some cold air, like say Erik's.

Car weighs 3790-3810 lbs with me in it. My engine is fairly basic, and I'm hoping with more tweaks and better 60-foots, I can hit the 11.90's with this setup.

So - what is your combo? Would like to hear of others using a small block and what times you have achieved so far. Maybe pick up an idea or two along the way.

Dave

 

1981 Z28. The set up is in my sig. I need to make a few more passes as I only have 4 on this combo and was shifting at 6500 I think I can pick up a tenth or two with a more conservative upshift(6000-6200) as the car tends to run out of power at 6500.

 

Click on the link for the '81 Z28 in my sig, or my Dad's '73 as well for full details and specs.

The '81 ran a best of 14.2 @ 97 mph BREAKING DOWN (it ran WAY too lean at the track and wouldn't rev over ~4500 rpm, when it should have hit ~6200 rpm ). However, on the street it kicked *** with the 383. I will always love that engine!

My Dad's Camaro ran 13.661 @ 103 mph, but only cut a best of a 2.2 60' time. Currently it has the !traction mod! (it needs Mickey Thomson E/T Streets BADLY!!!!). With the 350 and 4-speed it currently has, it's a fun setup for ripping around the streets (although it's not cammed for smooth, low-rpm running...........it really likes higher rpm's). We're hoping with better tires on the car, and on a cooler night than when it was 90 degrees and really humid, that the car will be capable of breaking into the 12's. If not the way it is right now though, at least once we put better heads along with roller rockers on the engine!

 

uhhh 350 4bolt main, performer RPM intake, holley street avenger carb, Crane cam (ad=284intake, 294exhaust, lift 498) virgin block, stock comp, and stock heads, hooker equal length headers, true dual, 2.5" flowmasters going to true dual 3" sh1tty trannys, and sh1tty rearend with 273s

 

ZZ430 clone - advertised as having 430hp/430ft lbs torque.

GM aluminum Fastburn heads

cam is .525" int and exh. 218 and 228 for duration with a 1.6:1 rocker

10:1 compression, forged crank, hyper pistons, pm rods

intake port matched to heads

edelbrock 750, straight out of the box and bolted on.

headman 1 3/4" headers (they shroud the exhaust ports )

Suspension is all factory spec, and slapper bars.

Right now I'm getting a nasty miss through the entire rpm range and having a hard time getting up to 6k rpm. I should be shifting at 6200ish, but can't quite get there.

12.95@107 with 2.0x 60' times on et streets (lol, I pull that on regular street tires) - being new to sticky tires, I was going waaay to easy on em. Next time I'll be much more aggressive.

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I'm thinking about swapping the HOT cam for a Comp XR282HR and swapping the 1.6 rr's for 1.5's, either that or going for a custom grind that will work with the 1.6's. Similar lift, more duration. Hey, who needs mileage?

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And yes, Dirt, when Duane makes a new hood for me, I'll sell ya the one currently on my car I hope ya like brown!

 

thats a HOT cam isn't it

umm erik how much are those heads brand new??? there are a set 4 sale local in the buysell...

 

 

Yep, thats a HOT cam.

I think the heads go for ~$2500 new.

 

How could anyone not like brown?!

This is a good thread, though. It's giving me some ideas....

 

355 CID L98 Chev. ( 4.030" bore )
Aluminum Crane roller rockers
Speed Pro hardened pushrods, Comp Cams Rod Guides
World Products Sportsman II heads with 2.02/1.60 stainless steel valves
3 Angle Valve job and planed 0.010"
Edelbrock Torquer intake (match ported)
MSD Ignition, Blaster II coil, Accel 300+ wires, NGK UR-5 plugs (0.045" gap)
Holley 700 mech. secondary (modified)
Holley 120 Gph mechanical pump
~ 11:1 compression
Wiseco Hypereutectic pistons
Wheeler connecting rods
Comp Cams 292H Hydraulic Cam. 292', 0.501" lift, 110 LSA
Pete Jackson cam gear drive
1 3/4" long tube Edelbrock headers
Dual 2.25" exhaust with single chamber Dynomax mufflers
TH350 with 10" 2600 converter
3.73 gears with GM POSI
Competition Engineering adjustable shocks 90/10 front and 50/50 rear
Daytona street tires 255/60/15 rear.

Best on last motor was 13.2@105, 1.99 60', 3761 lbs. race weight
Previous Motor:
http://www.rudyhelds.com/Customer_Ri...Camaro_Z28.htm

The motor above is built for est. 50 HP over my last engine. Hoping
to hit high 12's on street tires and mid 12's on slicks.

 

best time 11.40@121


That's haulin'!

Dave

 

Any problems with overheating? You always hear about 60 over 400's being prone to running hot; I'd like to hear it from someone who actually runs one.

 

383 sbc
5.565" rods
scat crank
trw blower pistons 7.8 - 8:1 CR (around there)
6-71 blower @ 5psi for now
intake matched to heads
CompCAMS hydraulic cam
Dart Iron Eagle 215cc heads


havent really had all the bugs worked out. BG280 fuel pump went out, fixing to buy another one, suspension needs adjusting, need to hook up the line lock, replace 4.88 gears w/4.10's, never had a chance to use the t-brake (will try after fuel pump gets replaced).

 

If you shelled out the $ for all that other high quality stuff, why did you use those lame short rods?

 

I shouldnt have run the 5.565 rods, but they're holding up good. At the time I didnt want to spend $600 or so on pistons that will work with a 5.7" rod combo. The stock rods will hold up for what I'm doing.

No matter though, I already purchased the next building blocks for a better 383.. eagle 5.7" 4340 rods, scat forged crank, j&e blower pistons and another .010 4 bolt 350 block.

btw, why did you put money in that lame 305?