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#1
03-24-2011, 06:15 PM
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ZL-1 engine questions
I purchased a ZL-1 long block from a person I trust yesterday, he is not a camaro guy, he has had this engine sitting for 30 yrs . Until I get it home, I was wondering if anyone could help me. He said its got a series of numbers (all in a row)stamped in the back area of the block. He said it looked like it could be a VIN, but I thought it was supposed to be in the front on the pad. The front pad is blank.
Where is the best reference to find out what the types of stampings that were used on these 69 blocks until I get this home? He said he got it out of a camaro a long time ago. 
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#2
03-24-2011, 06:43 PM
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Re: ZL-1 engine questions
the vin would be stamped above the oil filter. the back of the engine would have a casting number. the assembly date would be stamped on the front pad unless the block was decked.
__________________
69 camaro Z-28 burnished brown X-77 bought 1978 70 camaro Z28 forest green M40 black vinyl roof PROJECT 99 camaro SS Hugger Orange 6speed no t-tops 1 of 54 11 cts-v black diamond edition wagon 556hp GONE 15 camaro Z/28 white AC brand new
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#3
03-24-2011, 06:55 PM
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Re: ZL-1 engine questions
It would look something like this:
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 1969 SS396 Post Sedan Delivered to Van-T Topeka KS MCACN Day2 Concourse Gold Award 1965 VW El Lobo Dune Buggy built in the mid 70’s for the Iowa Shriners 1968 Schwinn Orange Krate 1969 Schwinn Pea Picker 1968 Schwinn 5-Speed 1970 Schwinn 3-Speed Deluxe 1972 Schwinn 10-Speed Continental 1973 Schwinn 5-Speed Suburban All Original Paint Bikes
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#4
03-24-2011, 06:59 PM
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Re: ZL-1 engine questions
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: x77-69z28</div><div class="ubbcode-body">the vin would be stamped above the oil filter. the back of the engine would have a casting number. the assembly date would be stamped on the front pad unless the block was decked.</div></div>
Thanks, what suprised me last night was when he saw some numbers he never saw before (stamped not cast), right after we reviewed the aspects of the casting number and the small 2. He saw something on the back area of the block and I said I will check that out when it gets home and do some research, and then he discussed how there were oil line hookups used for a dry sump (I think). So he was in that oil filter area when he was looking I imagine now when he saw the numbers. I thought maybe it will be some rebuilder codes or something.
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#5
03-25-2011, 12:38 AM
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Re: ZL-1 engine questions
could be a rebuilder number. that is not nearly as cool as finding a vin on the block!
__________________
69 camaro Z-28 burnished brown X-77 bought 1978 70 camaro Z28 forest green M40 black vinyl roof PROJECT 99 camaro SS Hugger Orange 6speed no t-tops 1 of 54 11 cts-v black diamond edition wagon 556hp GONE 15 camaro Z/28 white AC brand new
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#6
03-25-2011, 02:09 AM
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Re: ZL-1 engine questions
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: x77-69z28</div><div class="ubbcode-body">the vin would be stamped above the oil filter. the back of the engine would have a casting number. the assembly date would be stamped on the front pad unless the block was decked. </div></div>
Not all ZL-1s had the partial VIN at the oil filter. In those days steel main caps could not be fully processed with the block. They and the block were stamped with a sequence number to ensure they were assembled to the same block. The block was stamped center rear. 
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Learning more and more about less and less...
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#7
03-25-2011, 05:52 PM
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Re: ZL-1 engine questions
ya learn something everyday!
__________________
69 camaro Z-28 burnished brown X-77 bought 1978 70 camaro Z28 forest green M40 black vinyl roof PROJECT 99 camaro SS Hugger Orange 6speed no t-tops 1 of 54 11 cts-v black diamond edition wagon 556hp GONE 15 camaro Z/28 white AC brand new
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#8
03-26-2011, 05:40 PM
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Re: ZL-1 engine questions
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: x77-69z28</div><div class="ubbcode-body">ya learn something everyday! </div></div>
Maybe not every day but often enough if it involves a '69 Camaro. I recently received some rare dealer pricing info. It states that as of June 6, 1969 a Z/28 could no longer be ordered with a 4.10 rear axle. News to me...
__________________
Learning more and more about less and less...
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#9
03-26-2011, 08:27 PM
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Re: ZL-1 engine questions
never heard that before
__________________
69 camaro Z-28 burnished brown X-77 bought 1978 70 camaro Z28 forest green M40 black vinyl roof PROJECT 99 camaro SS Hugger Orange 6speed no t-tops 1 of 54 11 cts-v black diamond edition wagon 556hp GONE 15 camaro Z/28 white AC brand new
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#10
03-27-2011, 02:55 PM
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Re: ZL-1 engine questions
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: William</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: x77-69z28</div><div class="ubbcode-body">ya learn something everyday! </div></div>
Maybe not every day but often enough if it involves a '69 Camaro. I recently received some rare dealer pricing info. It states that as of June 6, 1969 a Z/28 could no longer be ordered with a 4.10 rear axle. News to me...</div></div> that is surprising...so,there are no documented Zs with 4.10 gears after June?? I owned a 69 Z with 4.10 gears a few years..Ill have to check the build date from my old pics...
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