LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Cylinder Heads

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Old 03-23-2005, 11:48 AM
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Default Cylinder Heads

I have an order from AFR but they are 12-14 weeks back ordered on any LT1/LT4 head..

So I don't know what should I do.. This is a very very long time.. I sold my engine and I already miss my car..

Are there any head same quality with AFR heads???

I will go with 210cc ..

any suggestion will be great..!

Deniz
Old 03-23-2005, 11:49 AM
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You can get a set of Lloyd Elliot heads.... i think its www.leportworks.com
Old 03-23-2005, 02:20 PM
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ttttt
Old 03-23-2005, 03:11 PM
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More info on your setup. N/A, FI, cam, displacement, etc...
Old 03-23-2005, 03:16 PM
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I copy/paste my whole list.. I built a 383 LT4 engine except Heads.. And the cam selection will be later.. (I will chose after heads off course) Which heads will fit great here?? (I wish AFR but 12 weeks twelveee!)

-Also any suggestion will be great about the list.. its 97 LT1 Camaro with T56

BLOCK: Thermally cleaned and Stainless-Steel Shot. Inspected by MPI process. Decked, bored, honed with torque-plates and pressure washed. Clevite cam bearings and pioneer brass freeze plugs installed. Billet Splayed 4-bolt main caps.
4.030 Bore, 3.750" Stroke, 11.0:1 Compression (Internally Balanced) ((Balance assembly with metal))
Crank: Lunati Forged LT1 Crankshaft 3.75" Stroke
Rods: Oliver Billet I-Beam LT1/SBC Rod Set 6.00" Length
Pistons: Diamond Pistons SBC/LT1 Forged Flat Top Piston set w/ -5cc Valve Reliefs, 4.030" BORE / 3.75" Stroke / 6.000" Rods / .927 x 2.500 Wrist Pins Included
Rings: Diamond Pro-Select Piston Rings, 4.030 Bore, 1/16" - 1/16" - 3/16"
Bearings: #Clevite Cam & Connecting Rod bearings
#Coated Federal Mogul High Performance Main Bearings
Main Studs: ARP Performance main studs
Head Bolts: ARP Performance head bolts
Core Plugs: Brass Pioneer Core Plugs
Camshaft: Comp Cam Hydrolic Roller Cam (for nitrous 114 lsa)
Lifters: Comp Cam ‘R’ series lifters #875-16
Pushrods: Comp Cam Hi-Tech One-Piece Chromemoly pushrods
Rocker Arms: Comp Cam Non-Self Aligning Pro-Magnum full roller rockers 7/16" stud - 1.60 Ratio
Rocker Arm Studs: Comp Cam 7/16" Magnum Stud
Timing Set: GM LT4 Roller Timing Set #12370835
Timing Cover: GM Timing Cover #12552427
Gasket Set Fel-Pro Performance

HEADS: AFR 210cc LT4 Competition Package Heads CNC Ported Aluminum
((Combustion Chamber: 64cc , In Valves: 2.08" -- Ex Valves:1.60" ))
Valve Springs: Comp Cam Hi Performance Valve Springs #987-16
Retainers: Comp Cam Titanium Retainers #730-16
Locks: Comp Cam 10 Degree Super Locks #611-16
Guide Plates: Comp Cam 5/16” Guide Plates
Valve Seals: Viton Valve Seals
>> 3 Angle Valve Job <<
>>Set all Valve Spring Pressures and Heights<<
>>Flow Testing with Print Out<<

# Melling High Volume Pump-Pickup Tube and HD drive
# Canton Oil Pan #15-242T
# LT4 Intake Manifold (GM LT4 Intake Maniflod, Bored for 58mm Throttle Body and Gasket Matched to AFR Heads)
# Fel-Pro Performance Intake Manifold Gaskets
# ARP 12 Point Stainless Steel Intake Bolts
# 30lb Ford Motorsport Fuel Injectors #M9593B302
# Racetronix Fuel System w/ 255 LPH High-Pressure Fuel Pump and Series II Plug-&-Play Wiring Harness #FLT1-FPK2
# Aeromotive Adjustable Fuel Pressure Regulator #13107
# PCM Reprograming 96-97 Year Models (custom Program to Match Engine , Vehicle Mods and need to have my new PCM flashed to a 6speed PCM)
# PCM for 97 LT1 Z28
# GM Opti Spark Distributor 95-97 Year Models (vented)
# MSD Replacement Cap & Rotor 95-97 Year Models
# SPEC Clutch, 1993-1997 LT1 F-body, Stage 3 #SC423
# Fidanza Aluminum Flywheel (%100 Balanced)
# 1LE elbow
# MSD Spark Plug Wires,Super Conductor,8.5mm Black
# NGK spark plugs #TR6 (colder than stock plugs for nitrous)
# Polished Aluminum Valve Cover (pre-clearanced for the alternator)
# ATI SFI Aprroved Hub & Damper #917271
# 160 Degree Thermostat
Old 03-23-2005, 03:48 PM
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Who did you call for your AFR's? Have you tried any other vendors like AI? As was mentioned above Lloyd does great work and that's not only on stock castings as he'll do port work on aftermarket castings as well.

If you're set on aftermarket castings, you may want to just order a bare set and have Lloyd or another porter do the work for you.

Honestly I think some hogged out stock LT1 or LT4 castings would work well with your setup. Also what chamber size is your 11:1 based on? I'm assuming that you're still going to want to keep a higher CR since you have a nitrous setup....right?
Old 03-23-2005, 03:54 PM
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Paul from Thunder call AFR.. (Thunderracing is teh place where I order this list)..
Combustion chamber is 64cc as I wrote above.. Yes I will use nitrous for that reason I keep CR higher.. I want ~550bhp.. I will search on Lloyd Elliot ,but webpage is uncorrect I think.. I couldn't find their website..
Old 03-23-2005, 04:07 PM
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http://eportworks.com/

If it were me I'd go with Lloyd for the heads and contact Bret Bauer for a custom cam....both of those guys are some knowledgeable ****'s and have put out some killer combo's separately and together.



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