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Author
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Topic: 302 vs 306
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travi99
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Member # 12416
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posted
 
 
Does anyone know the full specs,on a 306 and 302.
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travis rivera
Posts: 53 | From: richmond california | Registered: Sep 2012
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50Reasons
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Member # 6452
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posted
306 is cylinder bore of 30 over stock bore ,if the piston is the same compression as the stock 302 piston there is not much difference ..and nine times out of 10 most shops will throw in hyper pistons to save money over your older forged pistons
[ 2013-06-22, 09:42 PM: Message edited by: 50Reasons ]
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50Reasons Car Club President
Daniel/50Reasons
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Posts: 9483 | From: Sacramento Ca | Registered: Jan 2006
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LXjames
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Member # 10791
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posted
+1 for Dana info IMHO if you do all the work and spend all the money going 306 it would be more effective to go with a striker kit or even a 327 which is a stock bore 331 if I remember correctly
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On Point Motorsport prez.
King Lx
Posts: 4761 | From: Pittsburg CA | Registered: Mar 2011
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turbo50
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Member # 6700
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posted
And to add to that, probably 80% of aftermarket "306" or .030 over standard bore pistons that I see have a lower compression height than the good ole stock 87-92 TRW slugs that came in these wonderful little motors.
That being said the 306 isnt always going to outperform the 302.
Not always, but usually.
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Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006
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50Reasons
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Member # 6452
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posted
One benifit of going 30 over is picking higher compression pistons with also bigger valve reliefs for ptvc for those bigger cams
[ 2013-06-22, 09:47 PM: Message edited by: 50Reasons ]
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50Reasons Car Club President
Daniel/50Reasons
http://youtu.be/n_UkDg_F4MQ
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Posts: 9483 | From: Sacramento Ca | Registered: Jan 2006
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turbo50
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Member # 6700
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posted
quote:
Originally posted by 50Reasons:
One benifit of going 30 over is picking higher compression pistons with also bigger valve reliefs for ptvc for those bigger cams
I agree, that would be the other 20% of pistons out there lol
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.........when was the last time YOU built something with YOUR own hands?
I offer quality sidework at reasonable prices. PM ME
Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006
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