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Ignition TI or not for 1970

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Old Jun 3, 2009 | 04:08 AM
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Default Ignition TI or not for 1970

Searches on the web tell me that my 1970 Corvette 454 with Auto has a Transitorized Ignition, but the 454 4spd do not. True?????
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Old Jun 3, 2009 | 07:46 AM
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My 1968-1972 restoration guide just states that TI was a distinct option in 1970 although I don't see it on the option list. My books show the auto 454/390 auto w TI as code CRJ and 454/390 4speed w TI as code CRI. You could get TI on any engine except the 350/300hp. Hope this helps.
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Old Jun 3, 2009 | 08:05 PM
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I might be mistaken, but I though it was standard equipment on the Hi-Performance LT-1 and BB engines...and optional on the others.
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Old Jun 3, 2009 | 08:56 PM
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I can confirm that my 454 w/4spd does not have TI and never did.
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Old Jun 3, 2009 | 09:18 PM
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The issue here is all the books show the engine suffix codes for big blocks with and without TI ignition for both transmissions.

However, when you look up the distributor number for a big block only one is shown and this is a non TI distributor! (Or did I miss something).

Willcox Inc.
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Old Jun 3, 2009 | 09:21 PM
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The "Hi-Performance" BB (LS6) had the T.I. as standard issue. It could be special ordered as optional equipment on LS5 engine.

The LS6 option info in the 1971 A.I.M. (sheet A7, page 362) shows the T.I. system.

Last edited by 7T1vette; Jun 3, 2009 at 09:23 PM.
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Old Jun 3, 2009 | 09:36 PM
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Originally Posted by 7T1vette
The "Hi-Performance" BB (LS6) had the T.I. as standard issue. It could be special ordered as optional equipment on LS5 engine.

The LS6 option info in the 1971 A.I.M. (sheet A7, page 362) shows the T.I. system.
Your talking 1971, the OP is talking 1970.
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Old Jun 3, 2009 | 09:44 PM
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Maybe a better question would be what would the distributor number be for a BB 70 with TI ignition.

I've not seen a listing on any facts pages unless. . like I posted earlier. . . I missed it.

Willcox
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Old Jun 3, 2009 | 11:19 PM
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As I stated in my first post, "I might be mistaken..."; but I believe that GM/Chevrolet/Corvette applied the same strategy to the early '70s engines until they released the HEI distributor system. I know what was spec'ed for the 1971 engines, and I believe it to be the same with the 1970 Hi-Po engines. Surely someone on the Forum has a 1970 A.I.M. to check it out.
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Old Jun 4, 2009 | 09:48 AM
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Aim pages I have plenty of! The page shows canceled. I've never seen a documented BB TI car in 1970.


Last edited by Willcox Corvette; Jun 5, 2009 at 12:30 AM.
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Old Jun 4, 2009 | 09:36 PM
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Some years TI was in option. I believe that in 1970 it was not. The TI only came on the LT-1 and could not be ordered on any other 70 engine. In 71 it was on the LT-1 and LS6
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Old Jun 4, 2009 | 10:41 PM
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I think I'm going to run this past the NCRS guys. I can honestly say I don't know! My 70 LT1 has TI ign but that won't answer any questions.

Willcox
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Old Jun 4, 2009 | 10:48 PM
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ok, 70LT-1 was standard. I bought a 1-owner with tank sheet 70 454 with 4-speed, airco, ps, pb, tilt coupe in summer 73......car had a TI and was listed on tank sticker...sold car in 74 when I got out of college. So, regardless of what the AIM or NCRS says, I had one.
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Old Jun 4, 2009 | 11:37 PM
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I posted this on the NCRS board, (I can't post the link here).

This is not to offend anyone here or question the validity of responses. I'm not the OP, but I have a vested interest in the response.

The issue that I have is finding out the number on the BB distributor for a reference as to what specs to use should I set one up! There is not a listing for this distributor unless it was the same one used on the small blocks. Interesting thread to say the least.

Willcox
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Old Jun 5, 2009 | 04:45 PM
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Willcox,
I have been buying all the parts to put a facotry TI system on my 70 BB, which did not come with one...making the car as I would like it if I had built it...I have acquired a bare distributor housing, and most of the TI parts. If I were to send these to you, along with the type of cam, heads etc, could you assemble the distributor for me?
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Old Jun 6, 2009 | 03:48 PM
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The 70 454 had TI as an option. My friend from the 70's had one and switched to an MSD unit. He gave me the TI amplifier and the distributor. I still have the parts somewhere.

TT
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Old Jun 6, 2009 | 04:07 PM
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Sounds like Willcox would love to know what the tag on that distributor says.
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To Ignition TI or not for 1970

Old Jun 6, 2009 | 08:01 PM
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I found the distributor. Tag # 1111294 DELCO REMY 8 F 3

This was from a 1970 454 4sp. He took it off his car and gave it to me for spare parts since I had a 68 427 390hp 4sp w TI. I was friends with the guy in Maryland in 1978. So, the million dollar question is was it original to his car? He wasn't the original owner but I assume the installation was original. I still have my car but he sold his at least 25 years ago.

It really needs rebuiling since it has been in a junk spare parts box for 30 years. What is it worth along with the amplifier? I'll sell them for a reasonable price. I can email a photo.

TT
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Old Jun 6, 2009 | 09:46 PM
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I find 1111294 listed for 1968 with 427/390 and 400 hp. 8 F 3 is the date code for 3 June 1968. I find it highly unlikely that distributor was factory installed on a 70 Corvette.
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Old Jun 6, 2009 | 10:51 PM
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The distributor installed on my 68 390 hp is 1111294 DELCO REMY 1 L 8

It is possible I could have switched them. My dad bought my car new in 68. So one of these distributors is original to my car at least.

T this point no proof of a 70 454/390 hp 4 sp having original TI?

TT
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