I'm gonna rice my 454....choppy idle with peanut port heads?

[urbex]

Never mind...people don't bother to read the posts anyways, lol.

 

[sweetk30]

skip the big ricey choppy cam .

just toss in a pete jackson reg gear drive set .

i did this years ago and every one asked me what did i have under the hood of that truck .

and bbc cam swaps from stock almost always = valve springs .

 

[tRustyK5]

check the Thumpr line of cams from Comp. They're designed to get you that chop you want, without giving up a lot of low end.

Read more here: http://www.compcams.com/Thumpr/index.html

 

[76zimmer]

skip the big ricey choppy cam .

just toss in a pete jackson reg gear drive set .

i did this years ago and every one asked me what did i have under the hood of that truck .

and bbc cam swaps from stock almost always = valve springs .

truth.

 

[diesel4me]

Why would you want to kill low end torque on a BBC ?...especially in a heavy truck...it'll make city driving a pain,you'll foul plugs,and get 4 mpg..
I'd leave it as is and just turn in the carb mixture screws till it lean misfires at idle,no one will know it doesn't have a hot cam ..
The "poor man's lope"..

 

[Bowtie85]

http://garage.grumpysperformance.co...-building-a-peanut-port-big-block-combo.2900/

Some neat info in that thread.

 

[MAXMAN]

You can build a big block to sound great and still have incredible bottom end! It's all about the combination of parts. The truck in my avatar will literally blow the 37's up from a dead stop idle. I've built a few like this with great results, but it's not gonna happen with peanut port heads. Grumpy's is a great resource for the BBC, just remember that most of his stuff is geared towards race car stuff.

 

[76zimmer]

Well if you have a 350 now, I doubt you’ll notice a lack of low end torque w a 454 and a “too big cam”
But I would surely go w a 3/4 race cam for that “sound”

 

[nvrenuf]

I ran this cam for a long time in my old truck, good power and a pretty decent lope. *I think* the heads had the stock springs but it's been a looong time so I'm not sure anymore.

https://www.summitracing.com/parts/crn-10307/overview/

 

[nvrenuf]

I forgot I had that cam in the first motor in my Blazer. These clips should all be that cam (basically a stock motor with oval port heads and that cam) -

@urbex I have 4 video clips left on my old photobucket page ("nvrenuf_k5", pg 4) but the share links aren't working when I copy them. Here's one, it only works for me if I copy / paste in my browser, then it'll play.

http://vid237.photobucket.com/albums/ff150/nvrenuf_K5/K5 Project/f11b3e0a.mp4

 

[79rustyk10]

You can build a big block to sound great and still have incredible bottom end! It's all about the combination of parts. The truck in my avatar will literally blow the 37's up from a dead stop idle. I've built a few like this with great results, but it's not gonna happen with peanut port heads. Grumpy's is a great resource for the BBC, just remember that most of his stuff is geared towards race car stuff.

Grumpy's? Is that another forum?

 

[imiceman44]

Why would you want to kill low end torque on a BBC ?...especially in a heavy truck...it'll make city driving a pain,you'll foul plugs,and get 4 mpg..
I'd leave it as is and just turn in the carb mixture screws till it lean misfires at idle,no one will know it doesn't have a hot cam ..
The "poor man's lope"..

Is that the case?
That might be what is wrong with my carb on the 402 bbc in the c10