468 VS 496 ???

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blackrat454 · #1 Post by **blackrat454** » Fri Aug 18, 2006 7:23 pm

I wanted to get a few opinions. I am getting ready to build a new engine. I dont have an outrageous amount of money to put in it. I have heard alot of good about the 468 AND the 496. I am going to purchase aftermarket heads for either. How do you guys feel about that extra stroke? It will be for my 69 Nova race ready 2900.

#2 Post by **John_Heard** » Sat Aug 19, 2006 12:02 am

I would build the 496, I think that's a big improvement over the 468. Or take it out a little further and make a 505 out of it, then you can join the 505 club here

79 Camaro · #3 Post by **79 Camaro** » Sun Aug 20, 2006 12:26 am

Beyond wrote:I would build the 496, I think that's a big improvement over the 468. Or take it out a little further and make a 505 out of it, then you can join the 505 club here

Sure John and leave me out in the Cold with my 496

Haha. If I were to do mine again, I would have went to a 505ci and changed some other things too.

Adam

40Coupe · #4 Post by **40Coupe** » Thu Aug 24, 2006 1:24 pm

I think it depends on your chassis setup and planned/intended usage. To generalize "bigger is better" is a pretty broad generalization. If your car is 2900 lb and backhalved it will easily run mid 9's with a conservative 13.5: 468. Certainly, if this is a "small tire" bracket car go with the 468. You'll never consistantly hook a 4.25" stroke on 9 or 10" tires.

How about some more info.

#5 Post by **John_Heard** » Thu Aug 24, 2006 2:51 pm

40Coupe wrote:You'll never consistantly hook a 4.25" stroke on 9 or 10" tires.

You hear that Bob West?? Might as well give it up!

Welcome to the site 40 Coupe...

blackrat454 · #6 Post by **blackrat454** » Thu Aug 24, 2006 5:20 pm

When I mentioned 2900 that is without myself. It ways 3100 with me in it. It's a 69 nova with 30x12.5 ET Streets. I appreciate your opinions. Anybody else? Adam

40Coupe · #7 Post by **40Coupe** » Thu Aug 24, 2006 5:49 pm

Beyond wrote:
40Coupe wrote:You'll never consistantly hook a 4.25" stroke on 9 or 10" tires.
You hear that Bob West?? Might as well give it up!

Welcome to the site 40 Coupe...

Bob's worked his ass off to get that thing hooking. On marginal tracks it's still got traction issues. He was at Mokan last weekend and blew the tires off about as often as he hooked. Luckily for him, he's been hooking pretty decent at OIR on bracket nights.

Something about 60% of 3900 lb on the nose of a heavy street/strip BBC Chevelle that doesn't translate into an optimal bracket car. That said, they can be made to work and Bob's done an outstanding job.

One thing I have against the stroker BBC's is unless you're willing to shell out some $$$ you end up with a Chinese crankshaft.

Bob West · #8 Post by **Bob West** » Thu Aug 24, 2006 10:08 pm

ah so

366 passes and counting

Scat LW profiled is "gettin er done"

427belair · #9 Post by **427belair** » Thu Aug 24, 2006 11:06 pm

im also building a 496 12.5 motor for my 74 nova i have a scat chinese "forged" has anyone had problems with these

shooked · #10 Post by **shooked** » Sat Aug 26, 2006 8:34 pm

My 496 has about broke me. Still got to buy a set of headers, which now are definitely Stahls, 1) do to proximity, and 2) do to short 10 day build time. Lets hope it will put my 3900LB chevelle into the 10's.

Racer704 · #11 Post by **Racer704** » Mon Aug 28, 2006 7:34 pm

Build inches and never look back no matter what...... Take out timing and then add it back in down track if you need too..... If I could I would own a 1000 cu in motor...lolol Damn the traction....slip the clutch.........lolol

sc racing · #12 Post by **sc racing** » Mon Aug 28, 2006 9:47 pm

Thanks Johnny you just answered a question I was gonna ask, 377 or 406? I kinda figured most everyone would do the bigger one.
Thanks

Bob West · #13 Post by **Bob West** » Mon Aug 28, 2006 10:48 pm

shooked wrote:My 496 has about broke me. Still got to buy a set of headers, which now are definitely Stahls, 1) do to proximity, and 2) do to short 10 day build time. Lets hope it will put my 3900LB chevelle into the 10's.

You need Stahl headers to get into the TENS? SHHHHHHHH, don't tell my 2" x 3" Hedmans that

505 cubes,10.5-1, dual plane RPM intake, 781's now Brodix RR ovals,Comp XR286R on a 107lsa, cheapy Hedman headers, 950HP, ATI 8" MRT converter, TH400, and 4.10's with 30" Hoosier radial slicks, 3900lbs WITH driver, will run 10's anytime its unloaded, except for maybe a car club challenge starting line, running street tired cars with slick tired cars. I wasnt the only one having traction issues

Last weekend my 60fts ranged from 1.434-1.439, 6 passes total.

shooked · #14 Post by **shooked** » Tue Aug 29, 2006 7:02 am

If my 496 performs half as good as your 505 I will be ecstatic! The 2x3 headmans would not clear my steering shaft without a hefty ding. Perhaps the Hooker supercomps then for me with the 3" pipes and mufflers I have off of my 402. What do you think? I need to save some money on the rest of this. Oh yeah, 3900 lbs, 4135 with my big butt.

sc racing · #15 Post by **sc racing** » Tue Aug 29, 2006 9:13 am

I had 2" hooker comps on my little 454. 80 camaro full street car,3400lb th350 all stock interior, bolt on traction bars,stock springs, 10.33 @130 60ft average mid 1.50s this was back in 1991/92 . I see the chevelles are heavier but with that combo you be in the 10's easy.

468 VS 496 ???

468 VS 496 ???

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