Building first engine....help

90lxracer · 11-18-2002, 07:53 PM

Ok heres the current parts list for my car:
-Holley Systemax II kit(ported heads/ported intake, cam, timing chain)
-24 # injectors
-70 mm mass air
-75mm throttle body
-1.6:1 roller rockers
-75mm egr spacer
-3.73 gear
-tremec TKO
-centerforce dual friction clutch
-pro5.0 shifter

Im building up the bottom end also and was wondering what crank and pistons to get.....this is my first project car.
Thanks guys

90lxracer · 11-18-2002, 10:34 PM

no suggestions???

HotRoddin · 11-18-2002, 11:37 PM

Do you plan on supercharging or running nitrous??
What cam do you have planned and what are you gonna use the car for ?

Jeff Chambers · 11-19-2002, 08:12 AM

The 24# injectors aren't going to support any more than 400HP at the crank (on a good day), so you're fine with a stock crank and stock rods. I ran a stock crank all last season with 465+hp and it survived the season. I won't be pushing my luck in 2003 though :^)

If you've got dreams of staying N/A but making serious HP on down the road, then try to lighten the rotating assembly as much as possible. Its amazing what taking 100+ grams off each rod/piston combo does for power production and throttle response. The stock rods are pretty light and when outfitted with some ARP bolts will do just fine at your level. Also consider getting them bushed for full floating wrist pins. For pistons, I'd look at JE, CP or Diamond for high quality, lightweight pieces.

11-18-2002, 07:53 PM	#1
90lxracer Registered Member Join Date: Oct 2002 Location: houston, Texas Posts: 65	Building first engine....help Ok heres the current parts list for my car: -Holley Systemax II kit(ported heads/ported intake, cam, timing chain) -24 # injectors -70 mm mass air -75mm throttle body -1.6:1 roller rockers -75mm egr spacer -3.73 gear -tremec TKO -centerforce dual friction clutch -pro5.0 shifter Im building up the bottom end also and was wondering what crank and pistons to get.....this is my first project car. Thanks guys __________________ 1990 lx 5.0L 5 spd. BBk Lt's/BBK o/r x-pipe/2 chamber flows/holley systemax upper intake/holley systemax lower intake/holley systemax heads/Lunati cam/timing chain/fms 1.6 rr's/ pro-m 80mm mass air/ 24# injectors/ 190lbh./fuel pressure regulator/BBK 70mm tb/BBK 70mm egr spcr/fms 3.73 gear/Fluidyne Aluminum Radiator/Ford Racing Water pump/Underdrive pulleys 1997 Chevy Silverado Z71 4x4 6'' Pro-comp triple shock lift / 35x12.5 Pro-comp x-terrains on 15x10 welds / 4.56 gear / hypertech power programmer / Flowmaster 40 series exhaust / 2 12'' Audiobahn subs powered by houston acoustic 900 watt amp / white face gauges

11-18-2002, 10:34 PM	#2
90lxracer Registered Member Join Date: Oct 2002 Location: houston, Texas Posts: 65	no suggestions??? __________________ 1990 lx 5.0L 5 spd. BBk Lt's/BBK o/r x-pipe/2 chamber flows/holley systemax upper intake/holley systemax lower intake/holley systemax heads/Lunati cam/timing chain/fms 1.6 rr's/ pro-m 80mm mass air/ 24# injectors/ 190lbh./fuel pressure regulator/BBK 70mm tb/BBK 70mm egr spcr/fms 3.73 gear/Fluidyne Aluminum Radiator/Ford Racing Water pump/Underdrive pulleys 1997 Chevy Silverado Z71 4x4 6'' Pro-comp triple shock lift / 35x12.5 Pro-comp x-terrains on 15x10 welds / 4.56 gear / hypertech power programmer / Flowmaster 40 series exhaust / 2 12'' Audiobahn subs powered by houston acoustic 900 watt amp / white face gauges

11-19-2002, 08:12 AM	#4
Jeff Chambers Moderator Join Date: Aug 2000 Location: Milan, OH Posts: 2,699	The 24# injectors aren't going to support any more than 400HP at the crank (on a good day), so you're fine with a stock crank and stock rods. I ran a stock crank all last season with 465+hp and it survived the season. I won't be pushing my luck in 2003 though :^) If you've got dreams of staying N/A but making serious HP on down the road, then try to lighten the rotating assembly as much as possible. Its amazing what taking 100+ grams off each rod/piston combo does for power production and throttle response. The stock rods are pretty light and when outfitted with some ARP bolts will do just fine at your level. Also consider getting them bushed for full floating wrist pins. For pistons, I'd look at JE, CP or Diamond for high quality, lightweight pieces. __________________ Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!"

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11-18-2002, 11:37 PM	#3
HotRoddin cranky old man Join Date: Sep 2001 Location: Longview Texas Posts: 683	Do you plan on supercharging or running nitrous?? What cam do you have planned and what are you gonna use the car for ?