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11-05-2004 01:34 PM  13 years agoPost 1
Sale7

rrNovice

Kuwait

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hi guys i would like to buy new engine for my Tempest i am going to buy 91 size which is better O.S or Y.S and how is C-Spec ?

Please Fasten ur Seat Belt !

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11-05-2004 02:41 PM  13 years agoPost 2
cjw

rrVeteran

UK - Cheshire

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You'll get views both way.

I started with the OS 91 C-Spec (non-pumped) but after a while it became a real pain to start and wouldn't idle reliably.

I changed to the YS 91 and all works fine now.

If you do a search you'll find lots of opinions on both engines.

Clive

http://www.cjwoods.com

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11-05-2004 03:10 PM  13 years agoPost 3
mrNoodles

rrProfessor

Borlänge, Sweden

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11-05-2004 03:47 PM  13 years agoPost 4
blakka_1

rrElite Veteran

London/Enfield

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which is better O.S or Y.S and how is C-Spec ?
i personally would go with the ys91, but i dont know which 1 is actually better.

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11-05-2004 07:11 PM  13 years agoPost 5
Sale7

rrNovice

Kuwait

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well thats what i was especting the YS much better and easy to adjust the O.S even u keep rich its run lean thanks all

Please Fasten ur Seat Belt !

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11-06-2004 02:45 AM  13 years agoPost 6
yugi

rrVeteran

Maryland

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what grear ratio are you going to run? I have a c spec in my fury but I think the YS is more popular.

If you keep doing the same thing…...you’re going to get the same results!

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11-06-2004 02:53 AM  13 years agoPost 7
littleman

rrKey Veteran

Pasadena, Ca

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are you decided on those two choices?
A.J.

Proud member of Teams Castle, MSH USA, Futaba, Scorpion, & Nick Maxwell Products

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11-06-2004 04:45 AM  13 years agoPost 8
Comanche Man

rrVeteran

U.S.A.

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the ys is a better out of the box engine, more cconsistant than the c-spec. However with a little tender loving care the c-spec can be a little better in my opionion.

ys wins the out of box

os wins total overall power

Fear my name on Xbox live

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