I second this one I am going to do this in one of my cars once I can get the funds and time. if anyone wants this setup let me know I have the hookup at Proline for this just bring me your car and a fat wallet 1000 + HP Fiero ! I am all for it.
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10:50 AM
Isolde Member
Posts: 2504 From: North Logan, Utah, USA Registered: May 2008
I'm stuck until GM gets around to cutting 2 cylinders off an LS3 block, and then adds cathedral-port heads. Stupid f'ing GM. We need the replacement for the 4.3 already! the 3.6 is 1L not enough. And the heads are too bulky. The new V6/90 would be smaller and lighter outside, but bigger and torquier inside. THAT'S what we ALL NEED! N/A it would be capable of way over 320 HP and 315+ ft-lbs with a factory cam, and properly geared, 35 mpg should be easy, too. With a Thunder Racing or Texas Speed cam (which really come from COMP) we could do what the 3.6 can't: 400 crank HP N/A. Sure, we'd need custom 1.75" long tubes and a tune.
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10:57 AM
Blacktree Member
Posts: 20770 From: Central Florida Registered: Dec 2001
My ideal engine would be a small-bore, all-aluminum DOHC V8 with a flat-plane crankshaft. Something between 3.5 and 4.0 liters with a red-line of 9K RPM should suffice.
But a little more realistically i would want to do the JDM B18C NA. Maybe a single turbo... not sure. decent power, great fuel economy. and the WTF factor would be through the roof. i wonder how much different the mounting would be.
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11:28 AM
kwagner Member
Posts: 4257 From: Pittsburgh, PA Registered: Apr 2005
The new Saab 2.8 DI intercooled Turbo V6 hooked to the 6 speed manual transaxle with some additional boost to around 350 rwhp. That way I could still say it's a "2.8"
[This message has been edited by Rick 88 (edited 04-30-2010).]
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06:07 PM
30+mpg Member
Posts: 4049 From: Russellville, AR Registered: Feb 2002
Large displacement, like 8.0 L ~ish 60 degree V12 Pushrod Variable cam phasing 24-valve Naturally aspirated Direct injection Coil on plug (or near the plug, like the LS V8s) Mechanical throttle linkage 7000 RPM redline or so All-aluminium Solid roller lifters Roller rockers
[This message has been edited by pmbrunelle (edited 04-30-2010).]
Large displacement, like 8.0 L ~ish 60 degree V12 Pushrod Variable cam phasing 24-valve Naturally aspirated Direct injection Coil on plug (or near the plug, like the LS V8s) Mechanical throttle linkage 7000 RPM redline or so All-aluminium Solid roller lifters Roller rockers
Why push rod? are there any advantages to it?
my ideal engine would be...either a v10 or v8, 11 plus litres. dohc turbo(s), carb'd unless huge gains with black magic ( ecu ) megaphone exhaust.
not sure on the internals as i lack the knowledge to say.
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10:54 PM
California Kid Member
Posts: 9541 From: Metro Detroit Area, Michigan Registered: Jul 2001
OK 4.125 bore 3 inch stroke V8 with 6.250 long rods with DOHC 4 valves per cylinder all aluminum with all forged internals priority oiling with dry sump sequenchal injection crank trigger ignition the heads need to flow over 300 cfm on the intake and 240 cfm exh twin turbos with water to air intercooler and water/methanol injection and 15 pound boost at 8000 RPM
[This message has been edited by engine man (edited 04-30-2010).]
LS9. 'nuff said. But on a more realistic note, in a money not a factor scenario... custom titanium/steel alloy internals(naturally balanced to reduce the size of the balancer if one is even needed) on a twin-turbo 4.3... Gotta make the internals light enough to safely hit 9 grand on the tach, high power brushless alternator, hi-flow electric water pump, etc, etc.
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01:01 AM
ckrummy Member
Posts: 517 From: Lexington, KY Registered: Oct 2008
Fully built ls1 twin charged with twin turbos with a dual setting boost controller set at 7psi and 27psi and cut outs on the same switch, mated to a BEEFED UP F40. But i think i will keep the L67 and put that crazy fantasy motor in a trans am.
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01:12 AM
Hockaday Member
Posts: 2165 From: Clifton Park, New York, The States. Registered: Sep 2009
Ford put out a lethel 427 SOHC engine back in the 60's. Origionally intended for NASCAR, but outlawed because they were so brutal...they ended up with the drag racers who then ruled the 1/4 mile with them. If I'm not mistaken, Sherley Moldoney started out with one in a blown Cougar funny car she obtained from Connie Collita.
I would take smokey uniches redesigned duke motor and apply his theories to a chevy small block. If his turbo duke got 50 mpg and made 250 h.p, then a turbo 5.7 by his design should make around 400 h.p and get 25 mpg. I it's hard to find a modern day engine with those numbers let alone turbo charged. That would make an awefully cool fiero
------------------ 1986 Pontiac Fiero SE 3.4L | The Fiero Blog (Since April 2000) ----------------------------------------------------------- My Portfolio site | JustinChristie.ca
1000 + HP Fiero ! I am all for it. 
Still decent gas mileage and yet WOW!!! (507 hp and 507 lb-ft of torque) in a 6cyl 
i wonder how much different the mounting would be. 
