Posted: Mon Aug 02, 2010 8:29 am Post subject: hyper 7 tq b sport help
have a hyper 7 with a hyper .21 3 port motor boughtit at my lhs a little over a year ago. ordered a 4 port piston and sleeve before i tore it apart. went to install it and found out it is a three port. the only info i can find on this engine is here heres what ive found
link to car
http://www.modelsport.co.uk/?CallFunction=ShowSpecification&ItemID=30403
The 4 port piston and sleeve should work with the engine you have.
If anything it should perform better.
Sorry I don't know where you can a 3 port piston/sleeve.
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