SC Throttle Body - 93' versus 94' - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 02-26-2006, 11:57 PM   #31
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This is all VERY intriguing. I wasn't aware that he has done his own porting. I am going to get in touch with him and see what he thinks.
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Old 02-27-2006, 12:03 AM   #32
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John, he'* done alot more than just porting.
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Old 02-27-2006, 01:18 AM   #33
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Quote:
Originally Posted by willwren
John, he'* done alot more than just porting.
yeah, I wasn't aware of this. I know his plans, but didn't know already the extent of his work.
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Old 02-27-2006, 01:43 AM   #34
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Quote:
Originally Posted by willwren
Doc, I'm very well aware of the twin-charged S1. Mine almost beat it if Hector and I had
been able to come to a mutual decision. As far as your issues with the swap, I find it odd
that I had no problems whatsoever with fitment or operation.

Bolted right up. And purrs like a kitten with a 2.2" pulley. Granted, I did alot of top end work to get it to run that pulley. Most 95 top ends won't survive with anything smaller than a 2.5" pulley, and very few with a 2.4".

Most guys don't run Nitrous for intercooling like you and BlazinLo do, Jason. And I've gotten where I am with no valvetrain or head modifications whatsoever, on a bone-stock bottom end.

The point my car proves is quickness and speed on a budget, simply by improving what the factory gave us.
My car has NEVER seen nitrous and prob. never will... I'm kinda flatterd that you think I do or have to tho. I run a 2" pulley on a stock '92-'93 supercharger, stock '92-'93 throttle body, stock lower intake manifold, stock heads, stock rockers, stock cam, stock exhaust manifolds, stock downpipe. Humm... I can keep KR under control too...
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Old 02-27-2006, 01:49 AM   #35
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Quote:
Originally Posted by DrJay
I don't run nitrous at all. I've been thinking about it lately, but not just for an intercooling effect.
You had nitrous in your car when you came to my place a few years back!
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Old 02-27-2006, 08:13 AM   #36
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Heeey John! Yesum and it'* still in my sig (and the trunk), but I don't *run* it at all. I haven't since the build. Even though it'* more likely I'll fry the engine just tinkering with it.


Bill - Not concerned for the cams but it ties into the PM. I'll just leave it at that.
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Old 02-27-2006, 08:32 AM   #37
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Getting this topic back where it should be, the original question was about throttle bodies. If you put a 94/95 TB on a 92/93 supercharger, you will be 'hitting a wall' when the TB flow hits the SC inlet.

This will kill you.
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Old 03-01-2006, 01:20 AM   #38
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Seems I have missed out on my own thread in recent days...

Yes the topic was about the TB'* Don't make the (wrong) assumption that I don't know what I am doing :o indeed the matching SC with proportionally larger inlet diameter is required along with the recently acquired 95' TB, with two 95' SC'* in hand along with two 93 systems. This is by no means my first foray into these V6'*.

Testing and tweeking is well underway...
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Old 03-01-2006, 01:36 AM   #39
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I also wanted to thank DrJay for the recent flurry of emails that has prompted me to resume my search for V6 performance parts. I have had to go it alone for the last number of years, and my attempts at getting accurate enough information to order parts from Australia for the Series I engine never materialized until the last month. No one will believe all the stuff that is available....every part of the engine I have discovered.

So thanks DrJay

With 1.7 and 1.8 rockers on the way, Wester'* dyno and realtime EEPROM reflashing on my doorstep, some flowbench work at our U of C, the L27/L67/95' TB & SC hybrid with programmable water injection in a minivan will fire up in approximately a month...

p.*. the donor L67 block will see a 4340 4.3liter stroker kit after the hybrid is functioning. This is fun isn't it...
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Old 03-01-2006, 09:36 AM   #40
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Sukhoi, we've known what'* available down under for quite some time. DrJay found most of the remaining stuff. Unfortunately, most of their stuff is set up slightly different, and they don't have the experience (or at least the numbers) of L67'* like we do.

The point I'm getting at is the inlet of the Gen2 Supercharger is the 'weak spot' of it'* design. The inlet port is a different shape and size. The whole point of the larger TB was that it was designed to work with the Gen3 blower.

In other words, why would you WANT to put a larger TB on the old design and create more inlet heat than you have to? I know very well what you're up to. I almost built a hybrid Gen2/Gen3 supercharger myself at one point for testing.

Keep in mind there are two efforts underway here:

1. Find as many compatible parts for the Aussie L27'* that will work for us and bolt them up to see how far someone can go.

2. Try to optimize what we were given by the factory with a few tweaks to uncover the hidden potential for those that don't have the budget for #1.

You sound like you're doing a little of both. Keep up the good work.
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