Hi all. so i got some andrews tw37g gear drive cams in the bike. allso a stage 1. 80hp 86 tq. is that good or should i have got a differnt cam? o and its a 88ci.
thanks.

 

Kind of late to ask now isn't it?

"F" the numbers who cares...what bike? What is your riding style? 1 up or 2? Do you like how it performs? ... What is your question again?

 

that'a a lot better than a stock 88,, and those are pretty good cams for the mid to upper rpms.




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I here so many good things about them but the other day my buddy did the 37s in the same year and bike I have and my andrews 21/mukuni carb will have it for lunch... Seems like it pulls hard on top end no so much 0-60 like the 21s

 

I've got Andrews EV27 cam in my old heritage, I went with torque side of the cam range to have max torque for full loaded two up riding. Great cams.

 

I have seen you post how well your bike performs with just 21's. You must have been one of the lucky ones that got a good set of heads straight from HD. I really believe the variance in head volume from HD can make the same bike/ same year run a lot differently.

I just redid engine and added some more compression and went with woods 6 cams. Haven't been able to ride as I was in an accident on way to get it tuned. How high in rpm's do the 21's pull?

Op - way too many good builds out there with the 37 cams to question whether they are good performers. If you stayed at 88" and did not bump compression, they might be a little soft on bottom end, as they like around 9.8:1 CR.

 

The TW37 is a great cam for a stage 1 88". Unless you're planning on doing motor work, I would leave it alone as it is a real good setup.