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I need help on how to build a good daily driver
https://slantsix.org/forum/viewtopic.php?t=41611
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Author:  Paul and Karolina [ Wed Aug 25, 2010 11:12 am ]
Post subject:  I need help on how to build a good daily driver

I’m looking for some help.
It’s time I get serous about getting some good daily performance from my slant six. I have been throwing parts at it for years with no real plan(I want to loose weekend warrior status).
I wanted to get some advice on what to keep and what to pitch. I have a 69 Valiant 2-door with 90k on the original block. No cam or internal modifications. Here are the parts I have bolted on through the years:
Holley 470 cfm Street Avenger
Clifford Aluminum 4 barrel intake
Clifford split headers
Pertronix Flame Thrower HV Coil
Pertronix Igniter in a stock distributor
MSD 6a
MSD plug wires
East Coast Auto 1-wire alternator


Stock style spark plugs gapped at 40
Intake valves set at .010
Exhaust valves set at .020
Timing at 10 to 12 degrees BTDC

Any thoughts on what to keep and a direction to go in for a good driver?

Paul

Author:  Doc [ Wed Aug 25, 2010 11:21 am ]
Post subject: 

Increase the static compression to a true 9 to 1
"pocket-port" the cylinder head.
Degree-in the cam.
Recurve the disctibutor
DD

Author:  Aggressive Ted [ Wed Aug 25, 2010 11:42 am ]
Post subject: 

That's a big AMEN to Doc! :D :D :D The Doctor knows......

Did this to mine per Doc's advise in 2007 and wow! What a fun car to drive.......I never thought a SL6 would be so fun to drive with such simple upgrades. :D

Click on the red link below my name to view photos.

Author:  Paul and Karolina [ Wed Aug 25, 2010 2:22 pm ]
Post subject: 

Thank you Doc,
Would you keep all the bolt-on's I have now or scrap any? Also what cam should I use?

Author:  Doc [ Wed Aug 25, 2010 2:28 pm ]
Post subject: 

All your bolt-ons are OK.
What RPM range and "redline" are you after?
DD

Author:  Paul and Karolina [ Wed Aug 25, 2010 2:38 pm ]
Post subject: 

I'd be happy with 4500-rpm. It’s just a fun driver and I have no intension to racing it.

Author:  Doc [ Wed Aug 25, 2010 3:18 pm ]
Post subject: 

The Erson RV-10 / 295 RDP cam would be a good choice.
DD
http://www.dutra.org/dutraorg/pictures/ ... m-212-.jpg

Author:  Paul and Karolina [ Thu Aug 26, 2010 4:16 pm ]
Post subject: 

Thank you for all the help. I will post how it turns out.

Paul,

Author:  wjajr [ Thu Aug 26, 2010 4:34 pm ]
Post subject: 

Paul and Karolina,

While you got the head off, porting, and adding compression, why not install over sized valves, and hardened seats? In the first 10 feet of driving you would notice the increase in performance, and passing will become a pleasure!

I'm running these valves, as well as meny others on the site.



Bill

Author:  Brussell [ Thu Aug 26, 2010 7:15 pm ]
Post subject: 

wjajr - agreed! I noticed a good difference from just a port and polish job.

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