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PostPosted: Wed Feb 10, 2010 10:51 am 
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Turbo Slant 6
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Joined: Fri May 08, 2009 5:44 pm
Posts: 721
Location: Reno NV
Car Model:
Just threw a rod throught the block on my way back from Vegas.
Need to do a rebuild on the quicks.Need cam advise,here is what I have:

1967 Dart 225 904(with low first and lockup)
Daily driver
Going to do a complete rebuild .030 over
Big Valve Head with mild port work about 9.0-1 comp
Super six iron intake with holley 350 carb
Long tube headers with 2 1/2 exhaust.
8 3/4 rear with 3.23's

Want max performance with above combo,and stock stall/LU convertor.


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PostPosted: Wed Feb 10, 2010 11:06 am 
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Supercharged
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Joined: Thu Jan 27, 2005 8:32 pm
Posts: 7834
Location: Portland-ish
Car Model: Fiat 500e
With a stock torque converter I'd use the Erson RV-15 that Doc designed. See this thread for more info. http://slantsix.org/forum/viewtopic.php ... son#227653

You could stand quite a bit more duration and make more power if you were willing to buy a high stall converter. Everything else in your combo supports more cam duration.

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PostPosted: Wed Feb 10, 2010 11:44 am 
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Joined: Mon Oct 14, 2002 4:32 pm
Posts: 4880
Location: Working in Silicon Valley, USA
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How do you like idle quality?
How high do you want to rev the engine?
What is the RPM you like to drive at on the open road?
DD


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PostPosted: Wed Feb 10, 2010 12:39 pm 
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Turbo EFI
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Joined: Wed Sep 20, 2006 7:08 pm
Posts: 1114
Location: The Hand
Car Model:
Remember, if you're thinking of going turbo, you might want a larger LSA and a little different on the duration.

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 Post subject:
PostPosted: Wed Feb 10, 2010 2:40 pm 
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Turbo Slant 6
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Joined: Fri May 08, 2009 5:44 pm
Posts: 721
Location: Reno NV
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Turbo is a furture goal,but I might just buy a different cam for the later down the road.

I like a lumpy idle,as long as its not horrible at a stop light in D.

I would like it to rev to 5500-6000

3.23's with 26" tall tires should put me anywhere from 2500+ rpm I would imagine.


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PostPosted: Wed Feb 10, 2010 2:46 pm 
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Turbo Slant 6
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Joined: Fri May 08, 2009 5:44 pm
Posts: 721
Location: Reno NV
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Quote:
With a stock torque converter I'd use the Erson RV-15 that Doc designed. See this thread for more info. http://slantsix.org/forum/viewtopic.php ... son#227653

You could stand quite a bit more duration and make more power if you were willing to buy a high stall converter. Everything else in your combo supports more cam duration.
I am more than willing to buy a high stall convertor.Its price that is holding me back. I only have enough for the machine work and rebuild kit.Will be doing all other work myself...


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PostPosted: Wed Feb 10, 2010 5:06 pm 
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Guru
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Joined: Mon Oct 14, 2002 4:32 pm
Posts: 4880
Location: Working in Silicon Valley, USA
Car Model:
Some nice Erson SL6 "street cam" options:
Erson 244 MP "clone" cam in a RDP design is called RV10M-212/.295
The next step up, also an RDP cam has been named RV15M-212/.295
Here is the cam sheet on the last one I ordered and used.
I would NOT grind 4 degrees of advance into the RDP RV15M-212/.295 as shown on the sheet.
( I had to retard the cam 4 degrees when I installed it to get the events in a good place)
DD

http://www.dutra.org/pictures/engine/er ... am60bd.jpg


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 Post subject:
PostPosted: Thu Feb 11, 2010 6:23 am 
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Board Sponsor & SL6 Racer
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Joined: Sun Jul 30, 2006 8:36 pm
Posts: 2432
Location: East Arkansas
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I have a different idea on the cam. I really like the Erson 280/270 and you do have the engine work to support it.
Either way a New TC would help alot. Even if you used a stock cam.
My02.
Frank

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 Post subject:
PostPosted: Thu Feb 11, 2010 10:39 am 
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Turbo Slant 6
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Joined: Fri May 08, 2009 5:44 pm
Posts: 721
Location: Reno NV
Car Model:
I plan on buying a convertor,but it wont be for a few months down the road. Would it be ok to run something like the 280/270 with no convertor,untill I can buy one? Or will it really be a dog?


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PostPosted: Thu Feb 11, 2010 5:00 pm 
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Joined: Sun Jul 30, 2006 8:36 pm
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Location: East Arkansas
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I ran the 280/270 for 3 months without a high stall, it ran fine just worse on gas milage. I was not trying to race so it wasnt a big deal.
Frank

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Scrapple: Because a mind is a terrible thing to waste.
73 Duster - Race Car
66 Dart Wagon - DD
178" FED
82 D150
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 Post subject:
PostPosted: Thu Feb 11, 2010 7:46 pm 
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Turbo Slant 6
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Joined: Fri Jul 13, 2007 11:11 pm
Posts: 794
Location: clearwater florida
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I guess i wont really be a big help since i was running a 3000rpm converter with my 270 erson cam but i liked it, it wouold launch hard and pull over 5000rpm depending on the timing

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 Post subject:
PostPosted: Fri Feb 12, 2010 4:48 am 
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Joined: Mon Oct 21, 2002 11:08 am
Posts: 17309
Location: Blacksburg, VA
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It *might* be OK with 9:1 comp minimum and a good ign timing tuneup. Also, degree it at 100 centerline (yes, you read that right).

Lou

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 Post subject: blown up
PostPosted: Fri Feb 12, 2010 6:00 am 
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Turbo Slant 6

Joined: Thu Jan 04, 2007 6:38 pm
Posts: 878
Location: Boulder City Nevada
Car Model:
Hey, What the heck happened ?? When you were leaving on Sat I thought , man that thing has a nice rumble to it. Loose oil???


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 Post subject:
PostPosted: Fri Feb 12, 2010 10:10 am 
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Turbo Slant 6
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Joined: Fri May 08, 2009 5:44 pm
Posts: 721
Location: Reno NV
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Must have lost oil,the oil pressure was unhooked :roll: Didnt know untill it was too late!


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 Post subject:
PostPosted: Fri Feb 12, 2010 10:17 am 
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Turbo Slant 6
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Joined: Fri May 08, 2009 5:44 pm
Posts: 721
Location: Reno NV
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Ordered! Got the 280/270 will deg. in at 100 as lou says!


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