How many 66 427 425hp Biscaynes?

[mssl72]

You're right, there was a little bit of time between the original post and your reply. My reply was a little involved and it took me a little more time than usual to get it done along with everything else. My reply wasn't mean't to be insulting to you. I sorry if it came across that way.

What was your source for the numbers you posted?

[ZL1.FUN]

No need for apologies, I was a little too hasty on my reply, I got my incorrect info from a couple of old magazines, that had been laying around, I guess it goes to show don’t believe every thing you read. ZL1.FUN

[427freak]

I appreciate the work both of you did for me, I love the information, that is why I am here. I have printed the pics and breakdowns for my file. If you don't mind Mark I am going to PM you with a couple of easier questions since you also own one of these cars. Take care everyone.

[mssl72]

ZL1.FUN- Sometimes those magazines get somethings wrong. I tend not to totally trust them. We all can get corrected around here. There are some guys that really know a whole lot here and if they know it they speak up. That's what's great about this site. You can almost always get the information you need. Just be careful of the guys with the "sucks" signs. They can be trouble.

427freak-either way. Post it here or PM me.

[427freak]

mssl72-I haven't played with one of these big L72 cars before, but I am having fun. Here are my questions
1.Exhaust manifolds same as corvette?
2.Are the rear trailng arms different-boxed?
3.The interior is unmolested, where should I look for broadcast sheet?
4.Valve covers same as corvette?
5.Was there a date these cars would have been built before or after?
Those are the things that I had questions on for now. Thanks again.

[mssl72]

1-Exhaust manifolds same as corvette?
Yes, they were same as Corvette. #3880827 LH and #3880828 RH

2-Are the rear trailng arms different-boxed?
No, they were never boxed from the factory.

3-Build sheets can be found almost anywhere, but the most common place is in the back seat. Remove it and check the back side of both cushions. They've been found under the carpet, behind door panels and I've even heard of people finding them above the headliner.

4-Valve covers same as corvette?
Yes and No. This info is '66 specific and there was NO CHROME! The valve covers were painted. No Tonawanda decal on the passenger side either. They weren't used until 1967. The passenger side cover is the same, the drivers side is not. They had drippers on the underside, just as Corvette. The difference on the drivers side was in the power brake booster notch. It was about the size of a 1/2 dollar and didn't go all the way down to the flange. Take note of the spark plug wire stand-offs and their position on the cover. The stand-offs are in the same position only mirrored on the passenger side. The drivers side also has 2 clips for the temp sending wire. Here's a few pics of the drivers side cover. The one pictured doesn't have drippers.





5-Was there a date these cars would have been built before or after?
They were made during the regular 1966 production year.

I hope that helps out.

[SuperNovaSS]

It there a difference between the air cleaner used on these cars and the one used on 70-72 Z28s? If so, can anyone tell me what it is?


Thanks,


Jason

[ZL1.FUN]

I was just looking at that today and wondering the same thing,
I really hope some one can answer this one

[mssl72]

Yes, there are a few differences. That's why the price on the real ones get steep.

First, take a look or feel the bottom. It should be flat/smooth. Take a look at these 2 pictures.

wrong- note the ridge in the bottom; even while it's on a car you can reach under and feel this ridge/groove



correct- note the flat bottom; no ridge/groove; take note on the part number #6421970 and the correct location of service decal, pass. side



Now for the more obvious wrong thing without having to touch it.

wrong-the way the snorkels are mounted is different; these have a mounting flange that's on the outside of the air cleaner body
See the way the snorkel meets the body on this one?



here's how it should mount and look



It shouldn't have a service decal in between the snorkels that says "Front" on it. The top was not chrome. It was painted black just like the rest of the air cleaner.

[SuperNovaSS]

Thanks for the info. If is very helpful.


Jason