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Tech Area => General Auto Tech => Topic started by: Forzfed on December 13 2019, 07:49:21 PM

Title: Earl? Reeds?
Post by: Forzfed on December 13 2019, 07:49:21 PM

Hey Earl I'm going to be restoring my SRX440 and was thinking of getting some VForce3 Reed Valves.  What do you think?  Are there better ones out there?  I know some like the factory reeds.

Title: Re: Earl? Reeds?
Post by: earlbrown on December 14 2019, 01:14:26 AM

Reeds are just a check valve.  I've never bothered with the uber gimmiky reeds so I have no experience with them.

  I have played with stock .vs boysen a few times years ago and never noticed a power increase large enough to justify the decrease in longevity.

   That being said, with me being me, I used to cut off the stops or bend them back some trying to get some free HP.     Don't really think it ever worked, but it was free and I was in my early 20s.

   With reeds being nothing but a check valve, I've never thought there was any HP to be had there as long as the factory stuff was doing it's job.   It is amazing how VERY LITTLE pitting it takes on the rubber to completely screw the tractability of the power curve though.    My YSR50 with a YZ80 in it had such a hole that I honestly drove it for years and never realized I was shifting at a hole in the curve.
   On weekend I was going from the pits at Road Atlanta to the infield and while going down the steep hill (facing an even steeper uphill at the turn 11 bridge) I powered through the hole and hit ''the powerband'' and damn near dropped my beer!

  From that point on, I knew to wait for the second wind in first, then bang gears as fast as I could.

  Moral of the story...    good pipe, massage the ports, and jet the carb correctly.  That's where the fun is.

Title: Re: Earl? Reeds?
Post by: Steve Wood on December 14 2019, 02:18:14 PM

In other words, reeds are for clarinets.... 

Title: Re: Earl? Reeds?
Post by: earlbrown on December 14 2019, 04:45:25 PM

...and you never hear about gimmiky hi performance clarinet reeds....

Title: Re: Earl? Reeds?
Post by: Forzfed on December 14 2019, 06:30:35 PM

That is where I like the power jets especially in 3rd or higher gear.  Pull the engine rpm to 6500 and squeeze the throttle and the bike keeps pulling and pulling making it feel like a big cc monster.

Title: Re: Earl? Reeds?
Post by: Steve Wood on December 14 2019, 07:00:16 PM

Probably like a cookie monster if anyone is timing this

Title: Re: Earl? Reeds?
Post by: Forzfed on December 14 2019, 07:04:41 PM

What kind of cookies?

Title: Re: Earl? Reeds?
Post by: Steve Wood on December 14 2019, 07:06:03 PM

you said cc monster so I assume chocolate chip

Title: Re: Earl? Reeds?
Post by: Steve Wood on December 14 2019, 07:12:58 PM

coconut crisp?

Title: Re: Earl? Reeds?
Post by: Steve Wood on December 14 2019, 07:13:19 PM

caramel crunch?

Title: Re: Earl? Reeds?
Post by: Steve Wood on December 14 2019, 09:34:02 PM

Croissant Chopper?

Title: Re: Earl? Reeds?
Post by: earlbrown on December 15 2019, 01:57:24 AM

(https://thenostalgiablog90s.files.wordpress.com/2014/03/88_7711_ucp.jpg?w=389)

Title: Re: Earl? Reeds?
Post by: daveismissing on December 15 2019, 01:30:45 PM

count chocula?

Title: Re: Earl? Reeds?
Post by: Forzfed on December 15 2019, 09:15:55 PM

Quote from: daveismissing on December 15 2019, 01:30:45 PM

count chocula?

I think we have a winner!  The best most nutritional cereal out there!

Title: Re: Earl? Reeds?
Post by: Tim Hensley on December 16 2019, 07:23:34 PM

Only if it comes with a toy