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Posted

after fitting my new manifold ive finally go round to getting bck on the rollers .

This time it stayed in the rollers which was a start and it made 152bhp first pull but we didnt get to do any more as we was getting bad valve bounce at 6500rpm , but it will be back on them soon :D

 

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Posted

thanks guys , its a true 1700 xflow with stage 3 head tasty cam standard crank and fly wheel but just lightend and balanced and its on 45s.

 

im just goin to put better springs in and hopefully be back on the rollers in a couple weeks to see what it makes this time :D

Posted

8)8) I wish there was a video :wink:

 

Good numbers, what was the graph like at 6,500? Still on the way up?

 

As you now know, you want to match your springs to your cam - go with the cam manufactures recommendations or you could end up like I did with smashed up followers, cam, and anything the bits come in contact with....

 

I think the 2hp or so you might find "perfecting" valve spring rates isn't worth the risk. Make sure your informed when you make your valve spring choice - or go with the "book" spec. :thumbsup::thumbsup:

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