454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241 - Page 6 - Chevelle Tech
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post #76 of 113 (permalink) Old Jul 2nd, 19, 11:26 AM
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Gene
 
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re: 454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241

Kevin, you dont need no "stroker". Seriously. Why put ChiCom parts in for bragging rights? Makes no sense to me unless its a dedicated bracket car with an 8-9 sec goal.
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Gene
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post #77 of 113 (permalink) Old Jul 2nd, 19, 11:42 AM Thread Starter
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re: 454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241

Quote:
Originally Posted by pockets View Post
Larger venturi in the 850, so slower air velocity through the carb body. Better signal to the booster with the 950.
So I emailed AED and discussed the AED 850 HO BK (black anodized metering block) versus the AED 950 HO BK. My aim was to educate myself more about the two carbs and not looking to dispute what Pockets stated above. The tech, Jeff, was very helpful and responsive.

To summarize, he agreed with Pockets (and many others here I'm sure) and that of the two, the 950 HO would be a better choice for my entire combo (weight, engine, gearing, etc...) due to the smaller venturi sizing. This, despite the 850 HO likely showing a little more horsepower at peak RPM, means the 950 would be snappier and more responsive at lower RPM's than the 850. Optimally, he stated the answer lay somewhere between the two and recommended the AED Super Mod series which is their first-level custom carb purpose built for the customer's application. While that is a very nice carb I would recommend to anyone, it is a little pricier than I can handle given my already over-creeped budget. Thanks Pockets for chiming in. I now have my sites on the AED 950 HO.

On a side note, my Scat pro-comp I-Beam rods (p/n 2ICR-6135-7/16), with 7/16 ARP 12-pt cap screws arrived in the mail yesterday. Hopefully you can see the attached photo comparing them to the stock GM light duty rod I was running. To me the Scat rod looks much lighter on the big end and overall much stronger. I am very happy with them.

These are supposedly polished and shot-peened but to my novice eye, they don't look it. What do I know. I can try to post a clear picture of the rod surface later this evening unless someone can tell me what to look for.

Thats all for now.
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-Kevin
1965 Chevy Biscayne
<removed> 454cid, "peanut ports", Voodoo 60201
<coming soon> 460cid, Brodix RRO 270, 229/241 Hydraulic Roller
TH400, 3.36 Stock Rearend
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post #78 of 113 (permalink) Old Jul 2nd, 19, 1:42 PM Thread Starter
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re: 454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241

Quote:
Originally Posted by 427L88 View Post
Kevin, you dont need no "stroker". Seriously. Why put ChiCom parts in for bragging rights? Makes no sense to me unless its a dedicated bracket car with an 8-9 sec goal.
Thanks Gene. It wasn't about bragging rights really. It was more like "...as long as I am doing this, I may as well spend just a little more and do this..." sort of thing. No disappointment either way.
427L88 likes this.

-Kevin
1965 Chevy Biscayne
<removed> 454cid, "peanut ports", Voodoo 60201
<coming soon> 460cid, Brodix RRO 270, 229/241 Hydraulic Roller
TH400, 3.36 Stock Rearend
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post #79 of 113 (permalink) Old Jul 2nd, 19, 3:56 PM
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Gene
 
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re: 454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241

The polish would mainly be along the beams Kev. It sort of looks so from the pic.

Gene
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post #80 of 113 (permalink) Old Jul 3rd, 19, 9:59 AM Thread Starter
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re: 454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241

For those interested in how the Scat rod compares to the GM rod, here are some more detailed pictures. A noticeable difference in quality overall. The more I looked and compared them, the more various details stood out. In my novice opinion, this is a great upgrade. Thanks again to Mike Lewis for the recommendation.

Stock GM light duty (non-truck, non-"thumb", non-"dot" factory rods) versus Scat Pro-Comp 2ICR6135-7/16 polished and shot peened.
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-Kevin
1965 Chevy Biscayne
<removed> 454cid, "peanut ports", Voodoo 60201
<coming soon> 460cid, Brodix RRO 270, 229/241 Hydraulic Roller
TH400, 3.36 Stock Rearend

Last edited by 65cayne; Jul 3rd, 19 at 10:19 AM. Reason: grammar
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post #81 of 113 (permalink) Old Oct 14th, 19, 8:16 PM Thread Starter
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re: 454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241

Hey! Back from the dead! I apologize to all the folks who've found this thread and, with any amount of excitement, read all the way to the end only to find out the build is not complete yet.

MODERATOR - Can you please remove the 781 reference from the title and replace with Brodix RRO 270? I am definitely not going that route. Maybe another time.

Latest updates... Still trying to patch the holes in the bottom of my wallet (#1 delay). My new AED 950HO just arrived in the mail (thanks CStraub). I also spoke with a local machine shop today and will be hauling everything in this Friday. Turn around time is about a week.

After that comes back I still have a transmission that needs rebuilding before I can think about reassembling everything and going on a shakedown run. That's all for now.

-Kevin

-Kevin
1965 Chevy Biscayne
<removed> 454cid, "peanut ports", Voodoo 60201
<coming soon> 460cid, Brodix RRO 270, 229/241 Hydraulic Roller
TH400, 3.36 Stock Rearend
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post #82 of 113 (permalink) Old Oct 15th, 19, 10:03 AM
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re: 454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241

Quote:
Originally Posted by -SS454- View Post
Looks like a great combo. Do not be afraid to increase to 3" exhaust, at least to the mufflers. It is a miss conception that 3" pipes kill low end torque over 2.5. I have a mild .030 over 454 and I gained low end and mid range torque upgrading to 3" pipes, and gained very little on the top end.

I think the big issue you have is that rear end and those tiny tires. Burnouts be plenty, but you'll be left at every stop light haha.
I second the 3" exhaust. I have almost the exact same engine as you with the exception of the cam, I have the Voodoo 60203 and I have the 3" Pypes exhaust with X pipe and 2.73:1 gears. I have no shortage of low RPM torque and have no problem cruising 75mph at 2400RPM with 28" tires.
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post #83 of 113 (permalink) Old Oct 15th, 19, 5:17 PM Thread Starter
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Bart, are you running a stall converter?

-Kevin
1965 Chevy Biscayne
<removed> 454cid, "peanut ports", Voodoo 60201
<coming soon> 460cid, Brodix RRO 270, 229/241 Hydraulic Roller
TH400, 3.36 Stock Rearend
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post #84 of 113 (permalink) Old Oct 16th, 19, 8:24 PM
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re: 454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241

Old discussion, but fwiw, I'll input. My experience, anything 454 based and larger and running a decent 10" converter in the 3000 rpm stall range, do whatever you can to kill low end torque if you expect to run street tires or even DOT drag radials. Big header tubes, large exhaust, large cam, rec port heads, lazy ignition timing. Incorporate it all into the build. Lol.
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post #85 of 113 (permalink) Old Oct 17th, 19, 10:33 AM
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re: 454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241

Quote:
Originally Posted by 65cayne View Post
Bart, are you running a stall converter?
I just have a hughes 2000 stall. I do need at least a 2400 though.

There's nothing wrong with being stupid as long as you know you're stupid, it's when you're stupid and don't know it that you become dangerous.
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post #86 of 113 (permalink) Old Oct 29th, 19, 7:05 PM
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re: 454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241

Kevin, Did you get this back yet?


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post #87 of 113 (permalink) Old Oct 29th, 19, 7:15 PM Thread Starter
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Quote:
Originally Posted by kermitsass View Post
Kevin, Did you get this back yet?
Should get the short block back late this week about the same time my heads get here in the mail. The crank had to be turned (farmed out to another shop) so it delayed everything a week or so.

I would like to dyno it before it goes in the car
and will be sure to post any updates as I go.

Thanks for checking in.
-Kevin

-Kevin
1965 Chevy Biscayne
<removed> 454cid, "peanut ports", Voodoo 60201
<coming soon> 460cid, Brodix RRO 270, 229/241 Hydraulic Roller
TH400, 3.36 Stock Rearend
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post #88 of 113 (permalink) Old Oct 29th, 19, 11:55 PM
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Re: 454 (.030), 10:1cr, Air Gap, Brodix 270 RRO, Clay Smith 229/241

by the time you turned that crank might have been better off going with a bigger stroke, but if reusing pistons then that would make that a no go, I guess.

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post #89 of 113 (permalink) Old Oct 30th, 19, 12:11 AM Thread Starter
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Quote:
Originally Posted by Jebchevelle View Post
by the time you turned that crank might have been better off going with a bigger stroke, but if reusing pistons then that would make that a no go, I guess.
I wasn't expecting the crank to need any work. No big deal at this point. I'm ready to get this show on the road.
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-Kevin
1965 Chevy Biscayne
<removed> 454cid, "peanut ports", Voodoo 60201
<coming soon> 460cid, Brodix RRO 270, 229/241 Hydraulic Roller
TH400, 3.36 Stock Rearend
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post #90 of 113 (permalink) Old Nov 12th, 19, 10:18 PM Thread Starter
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I have a short block!
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-Kevin
1965 Chevy Biscayne
<removed> 454cid, "peanut ports", Voodoo 60201
<coming soon> 460cid, Brodix RRO 270, 229/241 Hydraulic Roller
TH400, 3.36 Stock Rearend
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