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post #1 of 4 (permalink) Old 05-25-05, 09:38 AM Thread Starter
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trickflow heads/stroker questions

I am in the process of buying a trickflow power package from USA. my first question is if my genie extractors (currently fitted to E7 heads) will still fit the heads and the plugs/leads etc? i seem to recall something about gt40's being different which is why i ask. secondly i am also looking at a stroker bottom end and am concerned wether the 30lb injectors (and MAF) ive ordered will be up to the task? lastly the cam supplied in the kit has the following specs:
duration @ .050" 221 intake/225 exhaust
lift .312"/.319"
lift with 1.6 rockers.499"/.510"
lobe seperation 112
i imagine this cam will not be big enough for a 347ci engine so what do ppl suggest? alternatively does anyone have a cam they would like to sell/swap?
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post #2 of 4 (permalink) Old 05-25-05, 07:34 PM
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Re: trickflow heads/stroker questions

Are you running GT40 or GT40P's. GT40's run the same spark plug angle as the E7 so will fit perfectly, GT40P's have the different angle but are still fine with genies of pacemakers and 90 degree spark plug boots.

30lb injectors will be fine, they are rated at 360kw at stock fuel pressure more than enough for most stroker engines (most get away with 24lb injectors)

The cam is a bit small and will hold back your power a bit but would be very nice and streetable and will make around 240rwkw and a normal 347 setup I would imagine (of course depending on head flow etc). You can probably squeeze another 20 or so kw out of it with a larger cam but that would then proably loose some bottom end and idle quality (not that bottom end is really a concern with a stroker).
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post #3 of 4 (permalink) Old 05-25-05, 09:20 PM
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Re: trickflow heads/stroker questions

That cam should be ok but we don't know what sort of behavour you expect from engine ??? With 112 lob centre it should still be very tame once load comes on, but idle alittle lumpy...
What TFS heads are you going for? I'd like to see the new hi ports on a stroker..Or the cnc'd Twisted wedge..... This cam would still be good..You are extending stroke to gain torque and this cam will keep that especially with real good induction to extend power up top...Yes 30 Lb would be fine, could even run alittle boost with them...

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post #4 of 4 (permalink) Old 05-25-05, 10:54 PM Thread Starter
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Re: trickflow heads/stroker questions

heads are trickflow twisted wedge part #TFS-51400004. car will be daily driver so drivability is fairly important. i thought perhaps i would be robbing myself of power but if the cam is going to be suitable ill just stick with it. thanks for your advise...
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