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Author
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Topic: Is it worth it to go from 306 to a 347?
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1993 GT
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Member # 3104
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posted
 
 
I currently have a 306, I really want a 331 or 347. But with my current mods how much more HP will I see?
*306
*Edelbrock 6037 heads
*Cobra intake extrude and honed
*LT's, off road H-pipe, bullets
*30 lb injectors,255 in tank, adjustable FPR
I will just buy the shortblock and put my current stuff on it. I will also be getting rid of the 150 shot of NOS I have on. Thanks
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Red 1993GT
Posts: 130 | From: San jose | Registered: Jul 2003
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onesicklx
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Member # 285
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posted
quote:
Originally posted by DropTopFox:
If your 306 is running good I see no reason to change the short block ![[patriot]](graemlins/patriot.gif)
i agree...but if you really want a 347 or 331 make sure you get a r block, or dart block...
Posts: 1955 | From: san jose, CA | Registered: Jun 2001
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
quote:
Originally posted by onesicklx:
quote:
Originally posted by DropTopFox:
If your 306 is running good I see no reason to change the short block
i agree...but if you really want a 347 or 331 make sure you get a r block, or dart block...
Why would you waste your money?...He's staying NA, he says he's getting rid of the nitrous...The stock Ford 302 block I'm sure will be able to handle his combo....
I dont think you'll much of a gain from a 347 with the 6037 heads...
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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onesicklx
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Member # 285
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posted
quote:
Originally posted by Black94 5.0:
quote:
Originally posted by onesicklx:
quote:
Originally posted by DropTopFox:
If your 306 is running good I see no reason to change the short block
i agree...but if you really want a 347 or 331 make sure you get a r block, or dart block...
Why would you waste your money?...He's staying NA, he says he's getting rid of the nitrous...The stock Ford 302 block I'm sure will be able to handle his combo....
I dont think you'll much of a gain from a 347 with the 6037 heads...
because i personaly no him...and last time i talk to him he told me he was taking the nitrous kit out and putting a blower...
Posts: 1955 | From: san jose, CA | Registered: Jun 2001
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1993 GT
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Member # 3104
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posted
Yeah I kind of want to get a motor with low compression, that way I always have the option of boost. The 306 I have now has a 10:5 compression and I really dont like NOS as a power adder. In other words I want to be N/A for a while but at the same time have 380+ RWHP.
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Red 1993GT
Posts: 130 | From: San jose | Registered: Jul 2003
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season'd 88
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Member # 169
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posted
If you really want a 347 i say get one! The stuff you have will work great. i bought a really cheap mail order 342 and ran less intake and heads than you have and ran great and only got better from there.
Posts: 1383 | Registered: Feb 2001
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mtbaughs
Road Racer
Member # 4052
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posted
Yep a 342 or a 347 would be a great combo. I saw a car with afr 185's and an X-cam run way into the 11's all day long without a power adder. If you plan on a blower at some point I'd stick to a 331 instead of a 347.
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
quote:
Originally posted by onesicklx:
quote:
because i personaly no him...and last time i talk to him he told me he was taking the nitrous kit out and putting a blower... [/QB]
It's all good, but he didn't say in his original post anything about a blower... ![[Wink]](wink.gif)
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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chosen1
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Member # 1906
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posted
quote:
Originally posted by 1993 GT:
Yeah I kind of want to get a motor with low compression, that way I always have the option of boost. The 306 I have now has a 10:5 compression and I really dont like NOS as a power adder. In other words I want to be N/A for a while but at the same time have 380+ RWHP.
I think it would be somewhat of a challenge to get 380 rear wheel N/A out of a low compression 331. I made over 400 rwhp N/A with a 351 that has less compression than your 306.
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1967 Fastback. Should go 10's -but doesn't
1993 Cobra
2003 Suzuki SVS
1966 Coupe -For Sale
Posts: 2205 | Registered: Sep 2002
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1993 GT
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Member # 3104
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posted
Thanks for all the input guys.
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Red 1993GT
Posts: 130 | From: San jose | Registered: Jul 2003
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