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Cam selection (type 4 build)

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turbobeetz Learner Dubber

17 posts · joined May 2009 ·

#789262
I'm currently considering a type 4 conversion for my beetle and have already purchased a 76-79 transporter block (2L type 2) to kick start the project. While taking my time tearing down the block I have begun to write a shopping list of parts required which include a 78-80mm crank (depending on clearance) and 96mm p&c. However, I am struggling to decide on what cam to use and like the look of the engle fk series cams due to the freedom of using 1.25 or 1.4 ratio rockers. So far narrowed it down to FK-42, FK-43, FK-7 or FK-8. 

I would like to use the beetle for Sunday circuit sessions as well as cruising. 

Just wanting to get some feedback from everyone as to what they are using in terms of cams and their main use. 

Cheers

Bookwus Seriously Crusin Dubber

120 posts · joined Aug 2007 ·

#789286
Hiya turbo,

Let us know how you do when it comes to sourcing bearings for your rebuild.

The word here in the States is that standard size bearings for a Type 4 are no longer available. Oversize bearings are in short supply. At this point in time nothing is expected on the market for the next year and a half.
Mike

1970 AS Bug
1970 Bus - The Ruptured Duck

Have an AutoStick? Check out www.auto-stick.com

turbobeetz Learner Dubber

17 posts · joined May 2009 ·

#789292
Thanks for the heads up bookwus....at this stage I will be taking my time with the build so a year and a half may not be all that bad.

I will keep you posted.

Snap Crackle Bang Seriously Crusin Dubber

146 posts · joined Aug 2009 ·

#789419
I've got a relatively mild cam in my 2 litre type 4 bug. Not sure of the details but when checking the valve clearances I measured about 270 degrees of duration. This engine is happy to idle along in third gear at walking pace, but the power tapers off after 5000rpm so I'd like to try something a little wilder for the track. A lot of the info on the net says the type 4 likes a bit of extra duration on the exhaust compared to a type 1.

barls Administrator Causer of Chaos and Mayhem

9,473 posts · joined Jun 2004 ·

#789471
i got my cam a few years ago and is a custom grind from vforce. at the time richard only got 3 grinds , a mild and 2 wilds that werent too lumpy. it might be worth your time to give richard a ring and see if can help you. he does a lot of type 4 stuff. other than that theres 66deluxe on here, from what ive read he knows his way around the engines.
personally ive got a mild cam from vforce in a stock 2L with 40mm dells and it hammers.
“We all pay for life with death, so everything in between should be free.” Bill Hicks
the chaos project - click me

grumble Son of Jim - Creator of Good

2,672 posts · joined Jun 2008 ·

#789533
I have a cam that I purchased for a T4 hydraulic but it was actually a performance cam,it ran well in the 2.0 litre over 1000rpm but had a poor idle,I think it was about 320 duration,I will check tomorrow.

66deluxe Custom Title Time!

1,593 posts · joined Aug 2005 ·

#789571
turbobeetz wrote:I'm currently considering a type 4 conversion for my beetle and have already purchased a 76-79 transporter block (2L type 2) to kick start the project. While taking my time tearing down the block I have begun to write a shopping list of parts required which include a 78-80mm crank (depending on clearance) and 96mm p&c. However, I am struggling to decide on what cam to use and like the look of the engle fk series cams due to the freedom of using 1.25 or 1.4 ratio rockers. So far narrowed it down to FK-42, FK-43, FK-7 or FK-8. 


I would like to use the beetle for Sunday circuit sessions as well as cruising. 

Just wanting to get some feedback from everyone as to what they are using in terms of cams and their main use. 

Cheers


Just to let you know Engle don't make any cams for type 4, also if you are serious on a 78x96 combo go for a webcam 16386B cam has 0.500" lift with split duration of 284/300 degrees i have two of these but done to Raby's spec which differs slightly from the webcam, if you were to build a 2056 which is 71x96 which is a cheaper build just need the 96mm P&C's go for a WEbcam 494 cam. Heads are whats needed also i got Raby's LE 200's, Le 180's and also get heads done locally using new AMC heads but install 42x36mm valves, seats, guides and springs, with the 16386b cam you will need dual springs, the 494 can get by with Heavy duty single springs.

Damo.
This is my Volkswagen, there are many like it, but this one is mine. Without me my Volkswagen is useless, without my Volkswagen, I am useless.

61 Karmann Ghia 2110cc type1 w Los Panchito's
66 Deluxe Beetle 2270 type 4
10 Subaru WRX Impreza

66deluxe Custom Title Time!

1,593 posts · joined Aug 2005 ·

#789574
DieSchnelleKafer wrote:hi, Jake raby recommends these guys called Webcam,

me and my dad are currently converting a type 4 into upright with a raby dtm kit, i would recommend this kit..
Hell yeah, totally agree on the DTM have got two of them, their the best, cheapest and work well and install the easiest, porsche fans are for flat 6 engines.
This is my Volkswagen, there are many like it, but this one is mine. Without me my Volkswagen is useless, without my Volkswagen, I am useless.

61 Karmann Ghia 2110cc type1 w Los Panchito's
66 Deluxe Beetle 2270 type 4
10 Subaru WRX Impreza

Craig Torrens 6 times Australian, 7 times State Hillclimb Class Champion

8,040 posts · joined Jan 2003 ·

#789640
Damo, do you sell the Raby LE200 heads.......if so let me know as I'm chasing performance T4 heads.


66deluxe Custom Title Time!

1,593 posts · joined Aug 2005 ·

#789750
Craig i don't have any the heads i listed are my own for my engines, i only want to build my own engines then run them too make sure the good then pull them out and sell them and the money form the sale funds the next build combo.
This is my Volkswagen, there are many like it, but this one is mine. Without me my Volkswagen is useless, without my Volkswagen, I am useless.

61 Karmann Ghia 2110cc type1 w Los Panchito's
66 Deluxe Beetle 2270 type 4
10 Subaru WRX Impreza

Craig Torrens 6 times Australian, 7 times State Hillclimb Class Champion

8,040 posts · joined Jan 2003 ·

#789752
ah ok.....I thought you may have had some performanceT4 heads for sale 👍


66deluxe Custom Title Time!

1,593 posts · joined Aug 2005 ·

#789757
Mr Penrose has some for sale though, your building a 66x103 arent you as he has some in that size.
This is my Volkswagen, there are many like it, but this one is mine. Without me my Volkswagen is useless, without my Volkswagen, I am useless.

61 Karmann Ghia 2110cc type1 w Los Panchito's
66 Deluxe Beetle 2270 type 4
10 Subaru WRX Impreza