LT1.. 2 or 4 bolt main?
05-05-2007, 10:26 PM
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d & b bodies are all 2 bolt
y bodies are all 4 bolt
f bodies are mixed most have 2 bolt but some have 4 bolt like the cop ones or 1le or a bunch more i think most of the dual cat f bodies are 4 bolt
y bodies are all 4 bolt
f bodies are mixed most have 2 bolt but some have 4 bolt like the cop ones or 1le or a bunch more i think most of the dual cat f bodies are 4 bolt
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05-06-2007, 03:05 PM
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1LE's are not 4 bolts from the factory... I have one and it's always been a 2 bolt (obviously not anymore)...
just wanted to clear that info up.... alot of leftover vette LT1's were used as GM replacement engines so that's how the 4 bolts ended up in F-bods.... if you got one you were lucky....
just wanted to clear that info up.... alot of leftover vette LT1's were used as GM replacement engines so that's how the 4 bolts ended up in F-bods.... if you got one you were lucky....
05-06-2007, 04:56 PM
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Originally Posted by OutlawZ
1LE's are not 4 bolts from the factory... I have one and it's always been a 2 bolt (obviously not anymore)...
just wanted to clear that info up.... alot of leftover vette LT1's were used as GM replacement engines so that's how the 4 bolts ended up in F-bods.... if you got one you were lucky....
just wanted to clear that info up.... alot of leftover vette LT1's were used as GM replacement engines so that's how the 4 bolts ended up in F-bods.... if you got one you were lucky....
05-06-2007, 05:02 PM
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I have a cousin who worked on the production line for them and she couldn't tell me which were which.
I added splayed mains to mine.
2 things- 1 be careful which ones you buy. My machine shop had a big problem with the first set due to the cheap chinese metal.
Second, it was expensive.
after the holes were drilled I could not switch to the more expensive but quality american product due to the different angles 17* American made 18* Chinese. I ended up buy 2 more sets and the second set machined ok.
I added splayed mains to mine.
2 things- 1 be careful which ones you buy. My machine shop had a big problem with the first set due to the cheap chinese metal.
Second, it was expensive.
after the holes were drilled I could not switch to the more expensive but quality american product due to the different angles 17* American made 18* Chinese. I ended up buy 2 more sets and the second set machined ok.