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10-26-2008, 11:05 AM
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#1 |
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Registered User
Join Date: Aug 2008
Location: Schererville, IN
Posts: 110
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is it a 4-bolt?
How can I tell if my truck has a 4 bolt block?
it is a '72 out of Cleveland. I was originally going to do a swap, because this truck and motor only have 68k miles, and I thought it'd be a shame to tear down a motor like that.. but now I am thinking I might do a mild build with a top end kit to increase the output to around 350 hp, 350 tq... are there any numbers on the block I could get to see if it is a 4-bolt thanks
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2004 VW R32 450 HP money pit (faster than a Viper in the 1320  )2001.5 VW Passat beater 1972 Custom Deluxe Highlander 69k miles and counting, all original, even the paint
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10-26-2008, 11:09 AM
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#2 |
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Registered User
Join Date: Oct 2004
Location: Sonoma, CA
Posts: 318
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Re: is it a 4-bolt?
There is really only one way to tell, disassemble it. I've seen the same block numbers be 2 & 4 bolt.
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10-26-2008, 11:24 AM
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#3 |
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Son of a gun
Join Date: Jan 2007
Location: Hot Springs, Arkansas
Posts: 1,636
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Re: is it a 4-bolt?
only one way to tell...drop the pan
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Bill BEATERS ARE NEATER |
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10-26-2008, 12:37 PM
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#4 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: is it a 4-bolt?
4bolt motors aren't really anything special//if its a 4bolt the only real difference in a mild build like you're doing is that you'd need to buy more bolts
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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10-27-2008, 06:12 AM
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#5 |
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Registered User
Join Date: Dec 1999
Location: Old Mission, MI, USA
Posts: 2,510
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Re: is it a 4-bolt?
Numbers on the block will not tell you but if it is an original four barrel 350 truck motor from the '69 - '72 era, it will be a 4 bolt main.
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Tim |
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10-27-2008, 06:19 AM
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#6 | |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: is it a 4-bolt?
Quote:
Yeah, it is more likely to be a 4 bolt... but not an automatic either. I would be more excited to see the 10-20 stamping... a high nickle block is worth way more than 4 bolt IMO. The reality of it though, you are way better off just getting a late model 5.7 block, for the roller cam alone. |
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