This may not relate completely but I thought it was interesting. Here are some Dyno runs where they compared the Edelbrock, Weiand and Holley. The engine is a 400 not a 351. It was a mild build up. It is hard to draw much conclusive from this group of dyno's but it is interesting:
http://www.tmeyerinc.com/400Fordpg3.htm
One thing to notice is the engine seemed to make more power after a couple of dyno's; aparently loosening up. This throws off the acuracy a bit.
To sum up a few things:
Weiand 384/450 (aprox hp/tq)
Edelbrock 390/450
Holley 390/446
Edelbrock Performer 388/460
That's n aproximate sumation. There were enough variable changes to make the figures +/- 5-8hp.
The main thing I see here with these intakes is their all within +/-5 Hp +/-5lbs tq.
My question would be would a blue thunder really make that much a difference?
Gary
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