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17596

Re: Sparkplugs

We just used regular champion aviation sparkplugs for our lycoming io360 cessna 172R shyhawks using Unison mags.  Nothing fancy. Sent via the Samsung Galaxy
thirdy38special
Mar 26
#17596
 
17595

Re: Sparkplugs

This is some info I have collected. If anyone has suggestions for adding additional information, please let me know.
jwzumwalt
Mar 26
#17595
 
17594

Sparkplugs

Hi All, in my Jodel D9 I have Lucas SR4 mags and have been getting conflicting info re the best HT leads and spark plugs. Some say regular NGK plugs are fine,
Dave Unwin
Mar 26
#17594
 
17593

Re: Short vs long intake

that is how the Valley engine does carb heat... using the original VW intake, and heat taken from the exhaust.   From: "John Spradlin
n3832v
Mar 17
#17593
 
17592

Re: Short vs long intake

If so, why not add heat along the length of the intake manifold? Of course, you still need to run Carb heat?  John S  The HAMB, Standard 1320 Group,
John Spradlin
Mar 16
#17592
 
17591

Re: Short vs long intake

Just FYI on stock VW's there is a heater pipe welded to the intake tubes to prevent icing. John In a message dated 3/13/2015 1:35:33 P.M. Mountain Daylight
ov1bmohawk
Mar 16
#17591
 
17590

Re: Short vs long intake

The quick way to my statement is Chrysler Corp. used long runner manifolds, (fender to fender), on 'Super Stock' engines back in 1962-63 on 413 & 426 CI.
John Spradlin
Mar 14
#17590
 
17589

Re: Short vs long intake

The one thing I have noticed about the dual intake manifold is where they split from the single pipe to the dual on the heads it's almost a straight run into
Heiko Klinge
Mar 14
#17589
 
17588

Re: Short vs long intake

With a dual port engine, the carb has to be larger and splits the airstream back up in the runner. With the single port VW, you have smaller runners, a
GMac999
Mar 13
#17588
 
17587

Re: Short vs long intake

Thanks for the additional information... Just when you think you know everything...:) With a six cylinder aircraft engines that run smooth the problems we are
jwzumwalt
Mar 13
#17587
 
17586

Re: Short vs long intake

The long runners in auto engines that help bottom end torque are straight, or with minimal bends, too many bends and they too have the same issue with fuel
Charles
Mar 13
#17586
 
17585

Re: Short vs long intake

... "In automobiles, the short runners give power at a higher RPM. The longer runners give best power at lower RPM... " ... I had never heard of this ... don't
jwzumwalt
Mar 13
#17585
 
17584

Re: Short vs long intake

In automobiles, the short runners give power at a higher RPM. The longer runners give best power at lower RPM. As for condensation, I can't answer it. It would
John Spradlin
Mar 13
#17584
 
17583

Re: Short vs long intake

The shortest intake is ALWAYS the best. The longer intakes are done out of necessity not for some advantage. A longer intake causes condensation of fuel to
jwzumwalt
Mar 13
#17583
 
17582

Short vs long intake

Good day everyone With the weather finally warming up I thought I'd go out and fire up my VW powered merlin. I've never used it in the cooler weather and
Heiko Klinge
Mar 13
#17582
 
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