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benchracer1
Samba Member
Joined: September 24, 2006
Posts: 583
Location: ramona
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 Posted: Sat Aug 30, 2014 8:03 am Post subject: heads |
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| Anybody have any recommendations for a decent set of heads for street use? My dad who is 89 years old built himself a new engine for his 1969 type 1. With the exception of a few small errors he did a great job. He just put on a Weber progressive carb and he is so happy with the performance that he wants a set of heads. He has a 1600 with a scat 35? Cam and a Weber progressive carb. Anybody have any recommendations for a reasonably price head?....steve |
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[email protected]
Samba Member
Joined: August 15, 2002
Posts: 4394
Location: Brew City
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mark tucker
Samba Member
Joined: April 08, 2009
Posts: 23937
Location: SHALIMAR ,FLORIDA
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| Posted: Sun Aug 31, 2014 9:51 am Post subject: |
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| roy makes good heads, but i wouldent buy stock valved heads for any thing.especialy if you were wanthing more power |
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benchracer1
Samba Member
Joined: September 24, 2006
Posts: 583
Location: ramona
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| Posted: Sun Aug 31, 2014 11:06 am Post subject: |
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| I was telling him possibly 40x37.5. anybody using cb 044s? |
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MURZI
Samba Member
Joined: August 25, 2005
Posts: 5063
Location: Madisonville, La
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| Posted: Sun Aug 31, 2014 12:07 pm Post subject: |
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| mark tucker wrote: |
| roy makes good heads, but i wouldent buy stock valved heads for any thing.especialy if you were wanthing more power |
I would. For mild engines under 1915 I find that a stock valved head works better. Shove 40x35's on a stock carbed , small displacement engine and you will definitely feel the power......lack of it.
I like a stock valved head, tight deck and about 50cc chamber for anything up to 1915. The car will be much snappier.
I just built almost two identical 1679 thickwall engines. Both had 100 cams. One had 40 idf's and big cc 40x35 heads(owners choice) and the other had stock valves and a 34 pict 3. The stock valved, even stock carbed engine, because it was built "better"...tight deck, higher compression, and stock valves, will out pull the big valve "advertiser special head" engine. No dyno tests just back to back real world in car testing.
I have seen this too on my 1835 and 110 cam engine. The bottom end is so much better with stock valves. Maybe peak HP is more....but for a driver the "power under the curve" feels way better.
And both engines were Wideband tuned.....
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modok
Samba Member
Joined: October 30, 2009
Posts: 26779
Location: Colorado Springs
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| Posted: Sun Aug 31, 2014 12:57 pm Post subject: |
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Tims super stock heads. 37x32 valves. Great deal and should perform well on your small CC engine.
Ports too big for the engine will kill torque, although sometimes a bigger valve is a good idea, in moderation!
37mm exhaust valve?? no way man The exhaust is sposed to be smaller than the intake, and sorry 044 heads are too big.
http://www.thesamba.com/vw/classifieds/detail.php?id=1069091 |
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Danwvw
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Joined: July 31, 2012
Posts: 8892
Location: Oregon Coast
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vwracerdave
Samba Member
Joined: November 11, 2004
Posts: 15302
Location: Deep in the 405
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| Posted: Sun Aug 31, 2014 3:05 pm Post subject: Re: heads |
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| benchracer1 wrote: |
| Anybody have any recommendations for a decent set of heads for street use? My dad who is 89 years old built himself a new engine for his 1969 type 1. With the exception of a few small errors he did a great job. He just put on a Weber progressive carb and he is so happy with the performance that he wants a set of heads. He has a 1600 with a scat 35? Cam and a Weber progressive carb. Anybody have any recommendations for a reasonably price head?....steve |
Your father would see far more performance gains and much better MPG by installing dual carbs instead of better heads.
_________________
2017 Street Comp Champion - Thunder Valley Raceway Park - Noble, OK
2010 Sportsman ET Champion - Mid-America Dragway - Arkansas City, KS
1997 Sportsman ET Champion - Thunder Valley Raceway Park - Noble ,OK
Featured in Dec. 2001 HOT VW's Magazine page 63
Watch my racing video's http://www.youtube.com/user/okvwracer/videos |
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wcfvw69 
Samba Purist
Joined: June 10, 2004
Posts: 13389
Location: Arizona
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| Posted: Sun Aug 31, 2014 3:22 pm Post subject: Re: heads |
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| vwracerdave wrote: |
| benchracer1 wrote: |
| Anybody have any recommendations for a decent set of heads for street use? My dad who is 89 years old built himself a new engine for his 1969 type 1. With the exception of a few small errors he did a great job. He just put on a Weber progressive carb and he is so happy with the performance that he wants a set of heads. He has a 1600 with a scat 35? Cam and a Weber progressive carb. Anybody have any recommendations for a reasonably price head?....steve |
Your father would see far more performance gains and much better MPG by installing dual carbs instead of better heads. |
I couldn't agree more. When I was a kid in the 80's, I had a stock 1600. I installed dual Kadron's, 1 3/8" header with dual exhaust and MAN did it perk that engine up! I thought I was all that and a bag of chips driving that bug! lol
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benchracer1
Samba Member
Joined: September 24, 2006
Posts: 583
Location: ramona
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| Posted: Tue Sep 27, 2016 9:28 pm Post subject: Re: heads |
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| well my dads a couple years and a few thousand miles into his new engine. The only complaint is in the last few hundred rpm on top end it feels like the power drops off a bit. If you back off the accelerator pedal ever so slightly it seems to develop a bit more power. Hes running a scat 25 cam, weber progressive carb, petronix ignitor @ 32 total advance, stock heads and stock exhaust, 1600 motor. Anybody got any tuning ideas I can try to try and get rid of this? Steve |
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jfats808
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Joined: December 10, 2007
Posts: 5022
Location: oahu hawaii
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| Posted: Tue Sep 27, 2016 10:04 pm Post subject: Re: heads |
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Step up on the main jet or go duals and gain noticeable power and mpg. 36 dell's or 40 idfs would be perfect imo.
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jpaull
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Joined: February 22, 2005
Posts: 3461
Location: Paradise, Ca
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| Posted: Tue Sep 27, 2016 10:15 pm Post subject: Re: heads |
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At 91 years old, still driving a VW, your dad is officially one of the coolest guys ever. Im just guessing here, but his close up vision might not be too good for messing with dual carbs/linkage. This is about the only time ever that I would not recommend duals.
Make sure timing is at its most effective point, check plugs, tune accordingly.
Other then that, you would need to get into the engine to increase power. I would encourge him to just keep on rollin, enjoy the drive. Taking that car out of commission could end up not getting back on the road in time for him to enjoy it more.
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vwracerdave
Samba Member
Joined: November 11, 2004
Posts: 15302
Location: Deep in the 405
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| Posted: Wed Sep 28, 2016 4:52 am Post subject: Re: heads |
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| benchracer1 wrote: |
| well my dads a couple years and a few thousand miles into his new engine. The only complaint is in the last few hundred rpm on top end it feels like the power drops off a bit. If you back off the accelerator pedal ever so slightly it seems to develop a bit more power. Hes running a scat 25 cam, weber progressive carb, petronix ignitor @ 32 total advance, stock heads and stock exhaust, 1600 motor. Anybody got any tuning ideas I can try to try and get rid of this? Steve |
Get a better flowing exhaust. Get a 4-into-1 header. The stock muffler is killing your top end power.
_________________
2017 Street Comp Champion - Thunder Valley Raceway Park - Noble, OK
2010 Sportsman ET Champion - Mid-America Dragway - Arkansas City, KS
1997 Sportsman ET Champion - Thunder Valley Raceway Park - Noble ,OK
Featured in Dec. 2001 HOT VW's Magazine page 63
Watch my racing video's http://www.youtube.com/user/okvwracer/videos |
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vwinnovator
Samba Member
Joined: July 11, 2005
Posts: 1555
Location: Still doing it in the back of your VW
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| Posted: Wed Sep 28, 2016 5:38 am Post subject: Re: heads |
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some dual Kadron or even 36 dellortos along with a 1-3/8" header AND a set of 1.25 or 1.4 rockers will do the trick.
easy bolt ons, nice jump in performance, user friendly mods.
beyond that, if your looking at changing heads, might as well go all out and build a nice stroker... |
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modok
Samba Member
Joined: October 30, 2009
Posts: 26779
Location: Colorado Springs
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| Posted: Wed Sep 28, 2016 4:53 pm Post subject: Re: heads |
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| benchracer1 wrote: |
| well my dads a couple years and a few thousand miles into his new engine. The only complaint is in the last few hundred rpm on top end it feels like the power drops off a bit. If you back off the accelerator pedal ever so slightly it seems to develop a bit more power. Hes running a scat 25 cam, weber progressive carb, petronix ignitor @ 32 total advance, stock heads and stock exhaust, 1600 motor. Anybody got any tuning ideas I can try to try and get rid of this? Steve |
John C wrote a lot about how to make the pregressive carb work, it is in the sticky section here. IMo there is a LOT yet beyond what is known and written to make it 100% RIGHT, but you can probably get it "closer" to right with some work. the pinto carb, on a VW engine, is like wearing women's pants. It's just never going to be quite right 'fit for the application', although in both cases some report they work better backward. |
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benchracer1
Samba Member
Joined: September 24, 2006
Posts: 583
Location: ramona
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| Posted: Sun Oct 02, 2016 9:58 pm Post subject: Re: heads |
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| thanx guys. Ill print what is in the stickys and give it to him. Yeah, at 91 hes pretty cool. At 89 he bought a polaris side by side to go exploring and tows his vw behind his motorhome. I figure Ill be lucky to see 70...Steve |
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modok
Samba Member
Joined: October 30, 2009
Posts: 26779
Location: Colorado Springs
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| Posted: Sun Oct 02, 2016 10:01 pm Post subject: Re: heads |
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My boss is 87 and still works 9 hours a day.
Puts us all to shame  |
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porkchop-rob
Samba Member
Joined: April 28, 2015
Posts: 440
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| Posted: Mon Oct 03, 2016 4:37 am Post subject: Re: heads |
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Did you decide on heads?
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Alstrup
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Joined: July 12, 2007
Posts: 7212
Location: Videbaek Denmark
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| Posted: Mon Oct 03, 2016 8:32 am Post subject: Re: heads |
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There is NO idea in going larger than stock valves on an engine like tat, unless you do some SERIUS work to the end castings. They are the limiting factor at about 87 hp, But i doubt the engine pulls that much anyway, most likely something like 75 hp. 80 on a good day.
T |
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mark tucker
Samba Member
Joined: April 08, 2009
Posts: 23937
Location: SHALIMAR ,FLORIDA
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| Posted: Mon Oct 03, 2016 12:21 pm Post subject: Re: heads |
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| I wood get him a set of hpmx40 duels kit .and tickel the crap out of him.then he might want those new heads..cb lostpanofcheetos heads. |
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