Which parts did you get? The intake cover is just for looks, the side scoop actually decreases performance, but the intake manifold and TBI allow more air in.
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09:03 AM
AL87 Member
Posts: 2578 From: Bradenton, Florida, United States Registered: Mar 2010
I have the holley intake and "special" throttle body (it was further bored to a larger diameter) It also has the SD head (and not sure about the block) 6A series msd control with blaster 2 coil. performance cam (unknown) with big block 1.75ish roller rockers.
Any horsepower estimates out there?
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10:37 AM
Kento Member
Posts: 4218 From: Beautifull Winston Salem NC Registered: Jun 2003
Can you post pic's please. that would give us a better idea o what you got.
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**************************************** Found a 88 formula Waiting to get a fence so I can re-home it There are Two kinds of Fiero's : Notchies and Donors!
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11:09 AM
AL87 Member
Posts: 2578 From: Bradenton, Florida, United States Registered: Mar 2010
..Normally the super duty Valve cover has PONTIAC embossed in large letters into the head,, neato jet looking,sexy,, I want some now ..the stock duke head has a Very normal looking ""Im bored"" valve cover
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12:00 PM
TopNotch Member
Posts: 3537 From: Lawrenceville, GA USA Registered: Feb 2009
What's up with this "special edition" holley thing? I aquired this fiero with this holley stuff on it in a trade for a triumph spitfire.
I cant find any info on what this stuff is supposed to do for the duke... So, how was it "special"?
If this is a 4 cyl, and it's NOT a Super Duty vehicle, Holley offered a performance TBI unit, and a Holley intake manifold for the Iron Duke (84 model only, but will work with 85-86 others with minor modification).
I bought one back in the day for my 1984 Fiero 2m4 SE from the Fiero Store. At the time, my stock one needed rebuilding. I needed a new TPS, IAC, and fuel injector. When I added up the total, it was only like $50 bucks more to just get the Holley unit which already came with ALL the sensors already on it.
The guy who ended up with that Fiero is on here, but I don't think he's using it anymore.
Some are just look. Intake maniflold and TBI... Both Really Holly aftermarket part? MSD Ignition is nice and $ solution to fix repeat ignition module failure. But notice inside oil fill hole? Red aluminum rockers.
Engine should be interesting... Maybe engine is rebuilt or just bolt on stuff.
------------------ Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should. (Jurassic Park)
there should be some pics here if I did this right...
That stuff is pretty rare, and you seem to have all of it. Even with all that stuff, it's still not a very quick car... unless you had plans to do something with that stuff, you could make a real decent profit selling that stuff on eBay. I'm sure you could get $1,000 bucks for all that stuff.
Originally posted by KurtAKX: Can you take a picture of the top of the cylinder head on the exhaust side? I'm trying to see if you've got a SD head on there, and what header....
the head doesn't look like what a duke head or sd head is supposed to look like.
If could be someone has build whole engine Or just allot of bolt on stuff. Remote oil, Rocker arms, Holley intake and TBI...
It's enough to see if motor is good first before parting it out.
------------------ Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should. (Jurassic Park)
How much would a setup like that cost someone who might be interested? ( Future referance )
If I were to sell this car... I would maybe ask 3000 to start and negotiate from there.
pricing wise if I parted it out: complete holley system 500 msd 6A ignition & coil 175 roller rockers 175 performance cam 150 Hurst short shift kit 50 pistons (if) standard 50 pistons (if) upgraded 100 SD head 250 SD block 1000 car (part stage1 kit) 750
I know what I have will be hard to find, I wanna keep it, but if someone waved cash in my face, i'd consider it. its not in running condition right now, I just need a fuel pump and a rear brake job. $250 +/-...
what I hear from the previous owner is that he did some work laying bricks for some guy who was into racing at that time. the owner made a deal to get his car "gone through" as part of the payment plan.
this car would supposedly eat anything that wasnt a v8, so its like a four cylinder interceptor. I assume the owner was referring to when he actually drove the car before he parked it in 2000.
Originally posted by AL87: it started, and I had it idling with some starting fluid. sounded lopey when cranking and definate lope idling.
Sound likely mean it has an aftermarket Cam.... Try give fresh fuel and see if it will run on its own. (Check coolant and oil first.)
------------------ Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should. (Jurassic Park)
the engine is fine, its runs perfect, I just need a fuel pump and a rear brake job. then i'll take it to the local strip to test and tune. I need to repair the fiberglass stage 1 sd4 body kit that came with the car, and put it on... after I drop the engine to "refresh the gaskets and seals" I am wondering what it really has internally and if the head and block are SD or not.
I think its getting around 140rwhp if not more...I wish there was a dyno around here somewhere to see what it actually has...
stock duke 90hp holley intake system +10hp performance cam +20hp 1.73 roller rockers + 10hp MSD ignition +10hp
so that is 50 more hp over stock (140) not including any possible SD items, the perf. chip. bored TB, or any other misc. unknowns...
The add-ons do not add up in a linear fashion. I think your calculations are ambitious. I can tell you one thing for certain, the MSD ignition will not add 10 hp. It will make sure you have good spark though.
Arn
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02:31 PM
TONY_C Member
Posts: 2747 From: North Bellmore, NY 11710 Registered: May 2001
The add-ons do not add up in a linear fashion. I think your calculations are ambitious. I can tell you one thing for certain, the MSD ignition will not add 10 hp. It will make sure you have good spark though.
Arn
Arn took the words right out of my mouth. It's not reasonable to expect nearly 50% HP gains with just induction changes, especially with a Duke non-SD head which is what yours looks like. It's not reasonable to expect gains like that on any stock engine.
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02:42 PM
87antuzzi Member
Posts: 11151 From: Surrounded by corn. Registered: Feb 2009
That's not a stock valvetrain. The springs, retainers, etc are not stock 2.5
Alternatively, if you have the casting number (often between the intake and exhaust rocker studs for the #1 cylinder) we can tell what you've got.
If that's a casting 775, 323, or 322, I'm definitely interested for $250.
My hp esimates are just me being ambitious, lol. making a joke out of it but yeah, well at least 120, I am going off the "estimations" of the previous owner, whom had this car. his description to me was hinting at "faster than a V6 fiero" and also keep in mind that I haven' gone inside the motor to see if valves were enlarged, if the head/intake/exhaust had a Port and Polish on it, a high perf valve job, the type of pistons being used, stroke of the crankshaft, or piston bore out
I cannot see the SD castings on the head because there are "caps" in the area. and I couldnt find any numbers on the head either, and those pics you see with the valvecover off are from earlier today...
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05:33 PM
82-T/A [At Work] Member
Posts: 24974 From: Florida USA Registered: Aug 2002
I have the holley intake and "special" throttle body (it was further bored to a larger diameter) It also has the SD head (and not sure about the block) 6A series msd control with blaster 2 coil. performance cam (unknown) with big block 1.75ish roller rockers.
Any horsepower estimates out there?
this is what i was refering to when i said stock(the tbi looks stock for the holley unit); not that it was stock on the 2.5l(yay another useless post because someone can't read all the posts)
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02:54 AM
Oct 19th, 2010
Johns88GT T-Top Member
Posts: 41 From: Northern Michigan Registered: Aug 2005
My ex-boss was an engineer at Holley before they moved south. He was working on multiple upgrade packages that were going to be sold on the aftermarket for the 2.5L engine. When Holley closed down the Michigan office, they sold some of the parts & engines to employees. He bought one of the development engines and eventually sold that engine to my brother, who still has it. It has a stroker crank (3.0L), forged rods, a higher lift cam, a ported iron head with a wall added to separate the center exhaust ports and an experimental casting number on the side of the block (possibly a prototype super duty block). He told me the engine made "a little over 130 HP" on the dyno (at the flywheel) with the Holley aftermarket intake & throttle body, and "significantly more" with a 4-barrel carb. I wonder if AL87's engine is a similar deal.
Unfortunately, I don't have any pics of the engine. It's currently in my brother's '84 SE and he was having tuning problems with it, but he hasn't had time to mess with it lately.
John
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06:06 PM
AL87 Member
Posts: 2578 From: Bradenton, Florida, United States Registered: Mar 2010
My ex-boss was an engineer at Holley before they moved south. He was working on multiple upgrade packages that were going to be sold on the aftermarket for the 2.5L engine. When Holley closed down the Michigan office, they sold some of the parts & engines to employees. He bought one of the development engines and eventually sold that engine to my brother, who still has it. It has a stroker crank (3.0L), forged rods, a higher lift cam, a ported iron head with a wall added to separate the center exhaust ports and an experimental casting number on the side of the block (possibly a prototype super duty block). He told me the engine made "a little over 130 HP" on the dyno (at the flywheel) with the Holley aftermarket intake & throttle body, and "significantly more" with a 4-barrel carb. I wonder if AL87's engine is a similar deal.
Unfortunately, I don't have any pics of the engine. It's currently in my brother's '84 SE and he was having tuning problems with it, but he hasn't had time to mess with it lately.
John
Maybe, lol. idk... and I wont know until I take the engine apart... ALSO, are there different gaskets that are supposed to be used? I don't have a clue. and from what I've been hearing, 130 at flywheel sounds about right.
Hey John, if you could get pics, or casting #'s of that engine and head, I would appreciate it. I still have to try and find casting numbers. And as I said I could not find any on the head (with the valve cover off too). haven't climbed under the car to see the block's casting number in a long time, so I'll see when I see...
[This message has been edited by AL87 (edited 10-19-2010).]
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10:35 PM
Oct 20th, 2010
KurtAKX Member
Posts: 4008 From: West Bloomfield, MI Registered: Feb 2002
Look between the intake and exhaust for the #1 cylinder. You may not have a SD head. If you have the intake I'm thinking you do, it wouldn't really line up with the SD head's ports.
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09:53 PM
Oct 22nd, 2010
AL87 Member
Posts: 2578 From: Bradenton, Florida, United States Registered: Mar 2010
Look between the intake and exhaust for the #1 cylinder. You may not have a SD head. If you have the intake I'm thinking you do, it wouldn't really line up with the SD head's ports.
I'll check again, but I am sure I didn't see a cast number...anywhere. what are the SD casting numbers again? And as I said, the place where the "SD" cast label is supposed to be in between the head bolts has a cap there, there are four "caps" in between the outer head bolts...
can a casting number ID anything else about the part itself?
You won't have a SD block, thats just a plain jane from the looks of it. Also your looking like closer to 100-110 hp MAX. on those performance upgrades.
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07:54 PM
solotwo Member
Posts: 5374 From: Grand Rapids, MI. USA Registered: Jun 2002
