Series 1 L-27/VIN1 Performance Parts - The Real Deal - Page 2 - 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 03-07-2006, 01:44 PM   #11
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Quote:
Originally Posted by willwren
With regards to the Cams, does it matter if you've seen the question asked before? I'm asking now for the benefit of our members which cams are designed for the flow of the L67 that the Aussie'* have?
Yes it does matter to me, because you asked the question "after" publically admonishing me. You are attempting to imply that I have overstepped some imaginary boundry.

I asked some very legitimate questions. If you're not comfortable answering them, or choose not to, that'* fine.

I am perfectly comfortable answering questions that are asked with the respect that should go along with the question, this is not present in this case.

Folks, all I'm hearing from the so-called experts is negative responses, this won't work, that won't work; why not do all us readers a favor and attempt like I am to ascertain what works and what will not. It'* pretty simple concept to consider the glass half full instead of half empty.

I do not need to justify anything frankly, it is the reader'* responsibility who wish to employ these parts, not mine. I thoughjt that this forum was here so that folks can work "together" to learn as a team, not face a firing squad from others who "they themselves" do not rightly know the answers.

As previiusly mentioned, as parts come in and I/we mount and run them I "may" consider giving feedback. But I have to tell you, after being slighted a few messages up, I'm not sure whether it is worth my time to contribute valuable information. Things like graphs which show the Hg at some 50 points along the six intake tracts, flow data versus valve opening, broken cranks and where they break, known bad bearing locations, etc.

I have been publically wronged here with no valid information (online or offline) to back it up, and I find this not only a personal afront but very dissappointing. I feel I am owed a sincere apology before I will consider contributing further.

If any folks have questions, I don't mind talking to you at all if your intentions are honest...
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Old 03-07-2006, 01:56 PM   #12
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Lots of people are trying to find the best solution to perfomance. Some of them are trying to get it right before they go showing it to everyone so someone else doesn't do it wrong.

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Folks, all I'm hearing from the so-called experts is negative responses, this won't work, that won't work; why not do all us readers a favor and attempt like I am to ascertain what works and what will not.
Huh? That is exactly what some are trying to do... where is the miscommunication in that?
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Old 03-07-2006, 02:04 PM   #13
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Quote:
Originally Posted by willwren
Not only the PCM differences Joe points out, but also the fact that the engines flow totally different when comparing ours to theirs. The Aussie intakes are different contraptions altogether. This top-end flow is a big variable in trying to find parts to cross over.
yes aussie Si engines came with the similar intake to the LG3/LN3 design as oposed to the american over the plenum chamber runners in the plastic upper (bundle of bananna'* ) the runners in the L27 intake are longer than the LN3/LG3 design)
other differences are in the design of the fuel rail etc

http://forum.streetcommodores.com.au....php?t=8464990

some model/engine references ^

Regards, James
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Old 03-07-2006, 02:16 PM   #14
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Sukhoi, I asked you two very clear questions in my first reply to you in this topic, at which point you got defensive.

I asked those questions, because they need to be answered.

I asked you TECHNICAL questions, and checked you on a DISCIPLINARY matter at the same time.
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Old 03-07-2006, 02:18 PM   #15
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Quote:
Originally Posted by Turbocharged400sbc
Quote:
Originally Posted by willwren
Not only the PCM differences Joe points out, but also the fact that the engines flow totally different when comparing ours to theirs. The Aussie intakes are different contraptions altogether. This top-end flow is a big variable in trying to find parts to cross over.
yes aussie Si engines came with the similar intake to the LG3/LN3 design as oposed to the american over the plenum chamber runners in the plastic upper (bundle of bananna'* ) the runners in the L27 intake are longer than the LN3/LG3 design)
other differences are in the design of the fuel rail etc

http://forum.streetcommodores.com.au....php?t=8464990

some model/engine references ^

Regards, James
Thank you, Sir. These differences bring up MANY unanswered questions. When we try to answer the questions, it'* because we want to KNOW, and it'* NOT a case of discrediting anyone.

Some of these questions have needed answers for quite some time. Some of them are slowly coming to light now.
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Old 03-07-2006, 03:12 PM   #16
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Quote:
Folks, all I'm hearing from the so-called experts is negative responses, this won't work, that won't work; why not do all us readers a favor and attempt like I am to ascertain what works and what will not. It'* pretty simple concept to consider the glass half full instead of half empty.
Negative responses? I am stating facts; been doing this for more years that you could ever imagine, with many makes and model of cars. I can still remember when I could buy a Holley, Model 1850, 600 CFM carb for $19.95, or when I could go either to J.C. Penney or Sears, and buy an Accell distributor, or headers for a Chevy Big Block for $29.95; just to give you a picture how long i have been doing this. I am just rying to save headaches and wasted money for many that work hard to earn it.
Believe me, I have been tempted many times replacing the transaxle with an early, non-computer type, and installing either a FAST EFI system or Haltec unit to see how much power I can make from a Series 1 engine. However, I cannot see investing thousands just for an R&D program when there is not a solid market. Therefore, the reason why I am applying gained knowledge and experience, exploiting the limitations of the car as a whole.
When you want to maximize the performance of an ECM/PCM controlled engine; anymore is not just a bolt-on deal.
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Old 03-07-2006, 05:01 PM   #17
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Who wants to drag race a family sedan?
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Old 03-07-2006, 06:16 PM   #18
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Quote:
Originally Posted by tripscarcare95
Who wants to drag race a family sedan?
why not? how about a twin engined car? why? because we can...besides the SI 3800 is a very sound engine, i've had naysayers about my SI/SII Hybrid work...but i keep pluggin on because i KNOW that no one has tried this before except a Holden guy and because i know there are those of you out there thatt would love to gain more performance from your 3800'*...just like i will be trying to do with two 3800'* in the 442

besides the cars these engines were installed in Oz...were rear wheel drive...

here is a 15 year old pic of a SI Holden racing engine...check this sh!7 out...

http://forum.streetcommodores.com.au....php?t=8460770

Oh and i just got a pair of 00 Impalla L36 heads and shtuff for my mocking up work...

but back to topic, there are plenty of SI parts manufacturers in australia...theyve been racing them fer years

Regards, James
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Old 03-07-2006, 06:26 PM   #19
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Some of us do drag race, but not REALLY often, more a once or twice a year thing for the majority of us that go to the track.

The point here is sorting out which Aussie parts are actually COMPATIBLE or DESIGNED for the L27 OR L67. Most of the stuff available is L27 specific, or generic for use in both.

Their engines may be GM 3800'*, but there are some major differences in how they deliver the power.
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Old 03-07-2006, 06:49 PM   #20
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Quote:
Who wants to drag race a family sedan?
You got to be kidding? Right? Do race cars need to have two doors only? Tell that to any owners of a late model SS Impala RWD or any owner of a Mercury Marauder and they will laugh at you
If ever you attend an NHRA or IHRA meet, you will see all kinds of cars in Stock Eliminator from 4-Door Sedans, Station Wagons, Pickup Trucks and FWD'*. You would be surprise to know there are a couple of GM FWD, NA cars with the 3.1, 3.3 and 3.8L engines running in the 13'*, including a FWD Turbo Toronado from Utah that runs in the low 12'*. I have a friend that owns a 2003 Mercury Marauder that he drives everyday and will go 12.45 on street trim, and no nitrous. To me, I would enjoy a family sedan that would be a threat to any ricer, late model Camaro or Mustang. It is called a Sleeper.
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