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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Mon Sep 30, 2013 2:01 pm Post subject: Picked up a '67 with dual-port, upgrade plans |
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Hello,
I finally picked up another Beetle, http://www.thesamba.com/vw/forum/viewtopic.php?t=571905
It has a running dual-port in it which seems stock, AS41 case with 8mm studs, 040 heads, stock valvetrain, dual Kadrons, cheap 1 3/8" header and single quiet pack. Seems to be running pretty well so far.
I'm thinking of getting gauges for it to start watching how it responds to speed, temperature and changes. Also considering installing 1.4 rockers.
Once I do take it apart, I'd like to try re-using whatever parts I have now and getting more power out of them. If everything checks out I'm thinking of using thick wall 92mm cylinders, get a valve job on the stock valves, have single HD or dual springs installed, getting a 69mm counterweight crankshaft, lightening the flywheel and balancing crank/stock rods/flywheel/stock pressure plate and pully that's on there now. I'm thinking of giving it high'ish compression of around 9.0:1 and using an FK-41 or FK-42 cam. Goal is to have a fairly inexpensive engine that would have some grunt and rev healthy and stay cool cruising on the freeway at 70MPH.
Does this seem like a reasonable plan? Here is what I'm working with:
I know the tin and shroud need help, that's on the short list of things to do.
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Fri Oct 04, 2013 10:40 pm Post subject: |
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Leaning towards using 94mm machine-in cylinders -- same cost, more displacement. Acquired a 69mm counter weighted DMS crank, and set aside $1,000 budget for now.
So, what I have:
Running dual-port -- AS41 case, 040 heads, stock pressure plate/flywheel
69mm DMS crank
Pair of Kadrons with 28mm vents
1 3/8" header with single quietpack
What I need:
94mm pistons/cylinders (AA?)
Cam -- Web 163 or Engle 110 with 1.1:1 rockers, or FK-42 with 1.4:1 rockers. Compression of 8.5:1 to 9.0:1.
Clutch -- will stock pressure plate hold up to 100HP?
Deep sump
Case/head machining, flywheel 8-doweled and lightened, valve job, single HD or dual valve springs
Oil pump. I can use an OEM 30mm pump/filter combo to save money, or go for full flow. Need to decide here.
I like the Vintage Speed Equal Length exhaust, I would like to run that. I will not need heater boxes.
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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JeivoPE Samba Member
Joined: April 22, 2011 Posts: 51 Location: Lima - Perú
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Posted: Wed Oct 30, 2013 9:48 pm Post subject: |
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how's the project? I have a 2165 with standard rods heads flywheel, 1.4,dual springs,1700lbs, 40hpmx, fk42 cam, I need carburize |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Thu Oct 31, 2013 3:20 pm Post subject: |
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Pulled the engine yesterday. 3/4 head has cracked valves, heads are no go. Stripped it down to shortblock and couldn't find the torque-meister tool to remove flywheel, so took it to machinist as-is.
Case does not have inserts in all holes for some reason, so we'll probably open it up for 90.5s, hopefully it checks out fine. Have a 69mm DMS crank we'll try to use. Will reuse rods, shop rebuilds them in house. Probably use stock pressure plate, have the flywheel 8-dowled, lightened and have it all spun together. Found a new Web 163 in the garage from 2008 -- score, I thought it was sold. Cleaned the Kads, they look fine.
Will need heads, may get 044s with 40x35 valves. Trying to stay fairly low budget. Around 8.2:1, maybe 32mm vents, reuse the 1 3/8" header with single quiet pack -- should work out okay, right?
Will post a few pics in a bit.
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Thu Oct 31, 2013 4:40 pm Post subject: |
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Pictures from tear-down.
1/2 side:
3/4 side. Probably ran lean?
Short block:
Tins soaking in oven cleaner:
Car in the air:
Kads. Air cleaner stud broke off on 1/2 side carb. Have 28mm vents, 55 idles, 150 airs, haven't looked at the mains yet.
POS EMPI header. Fits alright, surprisingly does not leak.
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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Matthew Samba Member
Joined: January 29, 2004 Posts: 1760 Location: Eastern Tennessee
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Posted: Fri Nov 01, 2013 7:20 am Post subject: |
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I like those lawn mower air filters they had stuck in the heater outlets on the fan shroud.
The cracks between the valves are pretty common and don't necessarily hurt anything. If there are no other problems with the heads, you may be able to freshen them up and re-use them. _________________ 1965 Beetle sedan
Click to view image |
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jfats808 Samba Member
Joined: December 10, 2007 Posts: 5022 Location: oahu hawaii
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Posted: Fri Nov 01, 2013 8:24 am Post subject: |
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That engine has been worked on before. It has been decked and the CR probably increased. From the picture it looked like it had around .050-.060 dh. That and the engine block is pretty clean as is. The flywheel looks lightened. Consider a set of Tims super stocker 37x32s. They work well on small displacement and mild cams. 189/head. That will work fine with your 1 3/8 header. A merge will work better but its ok to use for now with smaller valves. The 163 cam will work well with the set up. Id aim for upper 8 CR tbh. See if the case savers ( if any) came out with the head studs? If not, its a good time to put them in when disassembled. Get a new glandnut. _________________ 2276 IDA's 86C 11-1 DD !
2017 48 Trijet DRLA's W125
Rockstar Suzuki wrote: |
You might as well put 10 year build in your bullshit sig, as it will NEVER run. Also your a dick |
You can always learn something new, even from a fool.
Check your oil levels routinely! |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Fri Nov 01, 2013 9:08 am Post subject: |
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Thank you guys. No case savers came out that I know of. Some studs without inserts did take some effort to remove but all came out fine. I'm somewhat paranoid when removing studs, hopefully the case is useable. Did some AS41 cases come like this, with only 4 inserts on each side? Weird.
I'll get new heads, easier that way. I can save the good head for later, and use the cracked one for practicing removing valves, etc. I'm thinking of staying with single HD springs since it's a street engine, and running stock rockers with stronger shafts. Assuming the deck height comes out similar to what it was, I can get non-stepped heads with 50cc in the chambers which will put me around 8.5:1 -- does that sound fairly safe? Car is a full weight '67 with what I assume is stock gearing, and it will see some freeway driving when I take it to work sometimes (55 miles each way). We are at sea level and I use 91 octane Chevron, with all our fuel having at least 10% ethanol in it.
Thank you,
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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[email protected] Samba Member
Joined: August 03, 2002 Posts: 12785 Location: Salt Lake City, Utah
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Posted: Fri Nov 01, 2013 12:42 pm Post subject: |
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8.5:1 is great, you can even go 8.78:1. Make SURE deck height is .040-.070". Don't forget to lighten the flywheel, it will wake it up! _________________ It's just advice, do whatever you want with it!
Please do NOT send me Private Messages through the Samba PM System (I will not see them). Send me an e-mail to john at aircooled dot net
"Like" our Facebook page at
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and get a 5% off code for use on one order for VW Parts ON OUR PARTS STORE WEBSITE, vwparts.aircooled.net |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Fri Nov 01, 2013 3:11 pm Post subject: |
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Sounds good John, thank you.
More Easy-Off and scrubbing. Tins, got most of the yellow off:
Shroud. I will probably cover shroud and tins in ROR-15.
Stuff along with an engine stand I scored yesterday for $40 (had to scrub it, too):
Fun.
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Fri Nov 15, 2013 1:27 pm Post subject: |
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Still waiting on the machine shop, I forgot how long these things take sometimes.
Finished shroud and tins. I covered them with POR-15 rust prevention goodness, then sprayed it with POR-15 Blackcote. We'll see how they hold up.
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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[email protected] Samba Member
Joined: August 03, 2002 Posts: 12785 Location: Salt Lake City, Utah
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Posted: Fri Nov 15, 2013 1:51 pm Post subject: |
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FYI, your generator is installed 90 degrees off. Rotate it 90 degrees CW.
The way it is now the cooling slot to send air to cool the generator, is blocked off, and the generator will overheat. FWIW.
When you take it out, make sure the open slot in the backing plates lines up with the slot on the shroud, and you'll understand what I'm referring to. _________________ It's just advice, do whatever you want with it!
Please do NOT send me Private Messages through the Samba PM System (I will not see them). Send me an e-mail to john at aircooled dot net
"Like" our Facebook page at
http://www.facebook.com/vwpartsaircoolednet
and get a 5% off code for use on one order for VW Parts ON OUR PARTS STORE WEBSITE, vwparts.aircooled.net |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Fri Nov 15, 2013 1:55 pm Post subject: |
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Thank you! Have not payed attention to that so far, much appreciated.
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Fri Nov 15, 2013 8:00 pm Post subject: |
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I have the Kadrons apart and could use a suggestion for jetting. They have 55 idles, 130 mains and 150 airs on 28mm venturis. I'm aiming for an 1835cc with 40x35 valves and would prefer to try reusing my 1 3/8" exhaust at least in the beginning due to cost. Will jetting be safe as is? I could also try 30mm vents with 135 mains or 32mm vents with 145 mains but I'm not sure my exhaust can support it.
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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[email protected] Samba Member
Joined: August 03, 2002 Posts: 12785 Location: Salt Lake City, Utah
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Posted: Fri Nov 15, 2013 8:20 pm Post subject: |
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Run the 28/55/125 for now. Get the engine broken in and running well, then you have a baseline to compare changes to. I'd think 30/55/135 would work well. _________________ It's just advice, do whatever you want with it!
Please do NOT send me Private Messages through the Samba PM System (I will not see them). Send me an e-mail to john at aircooled dot net
"Like" our Facebook page at
http://www.facebook.com/vwpartsaircoolednet
and get a 5% off code for use on one order for VW Parts ON OUR PARTS STORE WEBSITE, vwparts.aircooled.net |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Fri Nov 15, 2013 8:28 pm Post subject: |
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Thank you John, sounds like a good plan.
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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ach60 Samba Member
Joined: May 14, 2001 Posts: 4139 Location: Santa Maria
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Posted: Sat Nov 16, 2013 2:29 am Post subject: |
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stan_tichomirov wrote: |
Leaning towards using 94mm machine-in cylinders -- same cost, more displacement. Acquired a 69mm counter weighted DMS crank, and set aside $1,000 budget for now.
So, what I have:
Running dual-port -- AS41 case, 040 heads, stock pressure plate/flywheel
69mm DMS crank
Pair of Kadrons with 28mm vents
1 3/8" header with single quietpack
What I need:
94mm pistons/cylinders (AA?)
Cam -- Web 163 or Engle 110 with 1.1:1 rockers, or FK-42 with 1.4:1 rockers. Compression of 8.5:1 to 9.0:1.
Clutch -- will stock pressure plate hold up to 100HP?
Deep sump
Case/head machining, flywheel 8-doweled and lightened, valve job, single HD or dual valve springs
Oil pump. I can use an OEM 30mm pump/filter combo to save money, or go for full flow. Need to decide here.
I like the Vintage Speed Equal Length exhaust, I would like to run that. I will not need heater boxes.
Stan |
94mm pistons/cylinders (AA?)
You'll need insets at all stud location, so you'll may want to consider sticking with 90.5's
Cam -- Web 163 or Engle 110 with 1.1:1 rockers, or FK-42 with 1.4:1 rockers. Compression of 8.5:1 to 9.0:1.
Clutch -- will stock pressure plate hold up to 100HP?
Aircooled.net has a HD Bus Pressure Plate that should do the job.
Deep sump
Case/head machining, flywheel 8-doweled and lightened, valve job, single HD or dual valve springs
Oil pump. I can use an OEM 30mm pump/filter combo to save money, or go for full flow. Need to decide here.
Go for full flow with a 26mm Berg O-ring Pump, Oil pumps I got were loose in the case,
so that's why I got the Berg O-ring Pump, and pull all the plugs to clean ALL the Galleys
I also got the Berg Stainless Line kit, I bought the blue hose kit first, but didn't dig it. _________________ Good Luck
Al |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Wed Nov 27, 2013 8:38 pm Post subject: |
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Case, crank, rods, flywheel are still at the machine shop, along with a new Kennedy Stage 1 pressure plate. Rotating parts will all be spun together. Got some new parts, thank you John for the help and lightening-fast shipping, you rock as always. Thank you to Jeff at Kaddie Shack as well. Finally, some new fun work to do.
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Mon Dec 30, 2013 7:30 pm Post subject: |
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500-420 Chinese heads with 51cc chambers. Couple of questions: I'm thinking of smoothing out edges from machining inside the ports, will that hurt anything? Same with sharp edges above valve seats in the chambers -- will those cause hot spots and should I smooth them out?
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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stan_tichomirov Samba Member
Joined: May 24, 2005 Posts: 1719 Location: San Francisco, CA
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Posted: Sun Jan 05, 2014 9:18 am Post subject: |
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Case has been align-bored, had missing inserts installed, full-flowed and cut for 90.5s (I'm using thick-wall 92s):
Spent some time with a Dremel on one of the heads, smoothing out edges in the ports and polishing the exhaust port a little:
Stan _________________ Aircooled.net
Jansen Enterprise
My 1835cc build
My budget 2276 build |
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