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Discussion Starter #1
Here's my goal....I want to run mid 9's at 140+ in my 4000 lb. `68 Torino.

It has gone 10.08 at 132 before, but that was with a boat load of NOS!!
I want to be able to use a much smaller NOS shot...like 150 or so, or none at all and still have it as backup.

The current combo is a 472/C6 with 4.33 gearing and 28x12.50 ET Streets.
Stock suspension but with CE adjustable front drag shocks, heavier pack leaf springs with Cal-Tracs. 8 point cage and subframe connectors.

Normally, it runs in the 10.75 zone because I jetted the nitrous down.
But later this year, I want to build another motor/trans combo to push it faster and hopefully into the mid 9's.

Im thinking no less cubic inches than a 557, but I'd like a 600+ if possible (hey its only money, right??)

So here's my initial thoughts.

1.) Single carb.
2.) Big transmission...C6/TH400??
3.) Retain the stock style suspension and "small" tires.
 

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Over a 1,000 hp...wow!!!

Which afiermarket block?..........................
 

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I would seek to lighten it up as much as possible, so some sort of aluminum block. I know the SVO block is good, and the huge TFS heads will flow enough air to make over 1000 hp. 627 inches is the example I saw. Went into a Bronco for sand drag/hill climb races. Don't know what year Bronco, I'm praying it wasn't the early small one, that'd be crazy.
 

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given the stock front suspension...I would do a flattop 598 with p51 heads, roller cam ... usual race stuff . With a 150 shot you should be real close.
I have been 10.70's at 127 at 3900lbs on pump gas with 588 a-429 heads, c-6 and 3.89 gear. so with more comp. cam , airflow of p51 heads you should not have to spray too much.

wayne
 

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Discussion Starter #6
Well, Im thinking C-460 type heads/manifold with a big carb 1250+ cfm
And big tube race type headers like 2.25" primary.
Wondering if it should be tailored to come on strong at the mid range instead of all torque down low so I dont blow the tires off all the time.

But then trying to fit very large tube headers inside the confines of the stock front engine bay is another nightmere!!
Decisions, decisions!!
 

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TorinoStyle2 said:
Well, Im thinking C-460 type heads/manifold with a big carb 1250+ cfm
And big tube race type headers like 2.25" primary.
Wondering if it should be tailored to come on strong at the mid range instead of all torque down low so I dont blow the tires off all the time.

But then trying to fit very large tube headers inside the confines of the stock front engine bay is another nightmere!!
Decisions, decisions!!
If you are leaving the shock towers and front end stock, you will be way better off with P-51 heads, I think custom building headers for A or C heads to fit a shock tower car isn't very realistic.
I would get the weight down as much as possibly, 3500lbs shouldn't be too difficult. I would also go with an aftermarket block at that level, I went with an SVO block from Lem, you can't go wrong there.
So if the car is 3500lbs you would need around 940hp to be mid 9 capable, a flat-top 545/557 with P-51's and a small shot should get it done.
 
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