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Superman74
Samba Member
Joined: January 28, 2013
Posts: 192
Location: Tampa, Florida
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 Posted: Thu Sep 19, 2013 12:48 pm Post subject: I need real life input on this engine build. Please! :-) |
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I have never driven a VW before. Bought a 74 super; engine was toast. I live in Florida and plan to drive this daily. This is my list of parts... Help me cobb together a reliable, spirited, engine.. I suppose this comes down to CAM... MPG vs Performance. I do not know what works and what doesn't.. in real world terms.
Used parts: 113.101.375A heads - bone stock.
New in box:
AA 88 slip in's
CB 74mm crank
Stock length H-beam rods
Straight cut gears
AS41 case
31mm tappets (cb performance)
bugpack 32mm oil filter/pump (3 bolt style)
2X Dells, 36mm + manifold/hex bar link
I wonder what it would be like to ride in a VW bug rigged with a mileage cam like a CB2228 vs a W110 or my old Bugpack 4062-10. Are they two different animals really? On a small displacement engine putting out very little to begin with.. how different could it really be??  |
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Cptn. Calzone
Samba Member
Joined: June 27, 2007
Posts: 1855
Location: S>E>Alabama
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| Posted: Thu Sep 19, 2013 2:57 pm Post subject: bug |
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Superdude your list willgrow but it is a good start.Ditch the 32mm filter pump. Just a bad design all aroud.Full flow the case use a 26 mm pump do an external filter and cooler with quality lines.Cam and lifters must play well together.CB lightweight lifters are greatquality and value.Lots of good knowelgable people on this site
_________________
71 westfalia
67 912 Porsche Quintilla
67 Single Cab aka my work horse |
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modok
Samba Member
Joined: October 30, 2009
Posts: 26776
Location: Colorado Springs
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| Posted: Thu Sep 19, 2013 9:07 pm Post subject: |
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Don't worry about mileage so much, with those carbs a more radical cam does not necessarily make any difference, MAGIC carbs 
Just think about what kind of powerband it needs, and make sure the compression ratio does match the cam you choose. Some DIY porting may be worthwile with an engle 100 cam or more. |
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[email protected]
Samba Member
Joined: August 03, 2002
Posts: 12785
Location: Salt Lake City, Utah
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| Posted: Thu Sep 19, 2013 10:02 pm Post subject: |
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sell the stock length rods and use some 5.325" ones, will save you a hassle on the shimmage, and prevent you from having to buy longer push rods.
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Bashr52
Samba Member
Joined: July 16, 2006
Posts: 5666
Location: On an island in VA
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| Posted: Fri Sep 20, 2013 5:21 am Post subject: |
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| Dump the 88 slip ins as well. Not good if you want the engine to last, especially in a hot climate like Florida. |
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Cptn. Calzone
Samba Member
Joined: June 27, 2007
Posts: 1855
Location: S>E>Alabama
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| Posted: Fri Sep 20, 2013 5:31 am Post subject: bug |
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Get a good concise shopping list and read up decide what type of application and power and you want and then step up.It is a gas to choose an engine and build it then drive it
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71 westfalia
67 912 Porsche Quintilla
67 Single Cab aka my work horse |
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slalombuggy
Samba Member
Joined: July 17, 2010
Posts: 9145
Location: Canada
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| Posted: Fri Sep 20, 2013 7:18 am Post subject: |
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I'd also go with machine in 88s or 90.5s. Nothing wrong with a filter pump for an easy add on filter. I ran a CB one for 15 years on my 1776 without issue, and they were standard equipment on Mexican Beetles for years. I'd go with 28mm lifters, really no need for wider than that on a small cam.
brad |
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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 Sep 20, 2013 9:05 am Post subject: Re: I need real life input on this engine build. Please! :-) |
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I'd use 94s if the case has case savers, 90.5s if it doesn't. Fischer Buggies can do the case/head machining.
_________________
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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