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Discussion Starter · #1 ·
hello

the intake can make the engine not to reach hi rpm's because my engine revs fast up to 5600 rpm then it rev's slow and in third and fourth you dont feel good power i think i need air and i tried bumping up and down the timing and its the same. i have a 306 with the stock intake and TB, 30 pounders with 75mm maff, long tubes headders 2.5 pipes, 274HR cam.
what problem can i have!:sosad:
 

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aleborjas said:
...i have a 306 with the stock intake and TB.......
There is your problem right there.

What heads are you running.
 

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it sounds like it needs more air..your going to need a aftermarket intake and a larger TB. And if u are using the stock heads, that 306 block is going to waste
 

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Discussion Starter · #4 ·
tmoss said:
There is your problem right there.

What heads are you running.
i think i have big inyector and no air! i have my intake ported and the heads ported big 158cc intake 62cc exhaust 1.94, 1.55 valves.
wich intake you think is better edelbrock rpmII or TFS TH i was thinking of TFS because of the price what do you say i whant to have good stuff for my future 347!
 

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Track Heat for now and the future if you want an intake for both.
 
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