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Old 12-08-2011, 05:17 AM
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Default Re: period correct tunnel rams

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: pxtx</div><div class="ubbcode-body">Typical where, street or strip? Which build theme do you identify with more? Really there are two camps with this. There are the guys who choose to drive cars with race car parts on the street (and either address the compromises or learn to live wiht certain aspects) and there are those who want that strip look without the compromised street manner.

I think the Offy did a great job with their Tunnel Rams featuring a divided plenum and street friendly runner combo. They most likley were not selling any to racers for the strip, and plenty to those who wanted to simulate that feel.

Personally I would never run a TR with a mild cam. I think it would be a major departure from the theme of the cars I like t build.

As far as a carb choice, I like vacuum secondaries. I would start out with a Holley List 1850 which is a 600 cfm carb and very plentiful. I've never been able to tune a par of 390's or 450's to run nearly as good as those 600's after being modified. Heck you might even be able to run a pair of 750's.

Dave is right, an electric fuel pump is a must. I used to run both, but later ditched my mechanical.

Don't even attempt this without a set of 4 series gears out back.

Dave, I'll admit I really don't know what Marlin wants to do. Fact is, it is Benjamin's car so I wonder what he wants. A young kid might accept a little more street compromise- maybe not. Depends on type of man he is growing up to be. You bring some valid points and expereince to the thread- no doubt. It will be up to those guys to choose what they want to build.



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Ha! I don't know what I'm doing! [img]<<GRAEMLIN_URL>>/grin.gif[/img] But, I know what I want: A cool Day 2 type of look, but with street manners. I don't want a racecar on the street. Benjamin just turned 10, so he has no idea what I'm planning - but I see the look on his face when a car idles past with a dual quad TR sticking outta the hood. [img]<<GRAEMLIN_URL>>/naughty.gif[/img] So, he's gonna like this car for sure when we finally finish it.

I'm planning to run this combo:

- 427 BBC
- 10.5:1 CR
- Steel Crank / rods
- Oval port heads
- 550/550 cam
- M20 trans
- 3.55 posi

Toppped with either a Torker 2-0 single holley, or that Offenhauser Turbo Port intake linked above.

I live close enough to pxtx and his Pop to get their help setting it all up! The goal is have fun with a cool street car.
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Marlin
70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride)
69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride)
67 RS Camaro-327/250hp, 2speed Glide, &amp; 3.08 Open (Danny's Ride)
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