I need a HP estimate

tireburner163 · 08-12-2001, 12:08 AM

My friend has a 1986 Z-28. He pulled the boad ancor 305 and is puting in a 350. It is a 350(from the late 80s i think) bored .30 over. With an edelbrock performer intake, edelbrock 650cfm mecanical secondary, comp cams 268H, headman long tube headers, mallory eletronic ignition, and a gear drive, rollor tip rockers, and full exhaust. What kind of HP would this thing make at the flywheel.

------------------
DEAD(FRIED TRANS)
1990 Dodge Dynasty with 275,000 miles. Mods:chiped paint, CD player. Sucks but it was free. Praying for a stang.
The "Guetto Glider"

If it ain't broke, you ain't tryin hard enough

Rev · 08-12-2001, 12:40 AM

I'm gonna guess about 350 flywheel, Lots of variables here...block prep (blue printing, balancing, torque plate honing, etc.). My guess is 350.

Rev

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'66 Coupe, 306, 300 HP, C-4, 13.97 e.t., 100.3 mph
1/4 mi.

red82gt · 08-12-2001, 03:20 PM

If it's got stock heads then I'd say 260-280hp, that motor wouldn't strike any fear into me.

------------------
GT-40 heads (ported, polished, + milled), B303 cam, 1.7rr's, JE pistons, Offy intake, Carter AFB 625cfm carb, Flowtech 1 5/8" shortys, Flowtech X-pipe, MAC Flowpath exhaust, MAC pulleys, 373's, subframes, Eibachs+Tokicos, B&M ripper, FMS Clutch, Zoom Quadrant+cable, 17" CSA Ultra rims, 235/45ZR17 Yokohama AVS S4's, MSD 6A ignition+coil, FMS 9mm wires, Carbed, Naturally Aspirated, and Nasty!

Dark_5.0 · 08-13-2001, 12:03 AM

He would be damn lucky to hit 280hp in my opinion that motor probably has double hump heads or something on it witch are pretty restrictive

[This message has been edited by 5.0 HO (edited 08-13-2001).]

Dark_5.0 · 08-13-2001, 06:01 PM

That motor looks just like my brothers 406 small block.

If he tunes it right 270-310 hp lots of things come into play.

Good Luck

------------------
88 mustang gt convertible bored to 306 BBk equal length headers mac cold air fender kit 3.73 FMS gears cowl hood nitto drag radials ford racing clutch flow masters h-pipe 160* thermostat 16 degrees of timing electric fan off 94' t-bird jacobs electronics cap and wires. Edelbrock 1 1/2 inch drop springs.

Rev · 08-13-2001, 10:13 PM

I think I missed the mark. I misread the post to include Edelbrock performer heads as well. With those heads, i think he would maybe be at 350 flywheel HP. My error.

Rev

------------------
'66 Coupe, 306, 300 HP, C-4, 13.97 e.t., 100.3 mph
1/4 mi.

08-12-2001, 12:08 AM	#1
tireburner163 It's a lot like a race car Join Date: Aug 2000 Location: Meridian, MS Posts: 4,130	I need a HP estimate My friend has a 1986 Z-28. He pulled the boad ancor 305 and is puting in a 350. It is a 350(from the late 80s i think) bored .30 over. With an edelbrock performer intake, edelbrock 650cfm mecanical secondary, comp cams 268H, headman long tube headers, mallory eletronic ignition, and a gear drive, rollor tip rockers, and full exhaust. What kind of HP would this thing make at the flywheel. ------------------ DEAD(FRIED TRANS) 1990 Dodge Dynasty with 275,000 miles. Mods:chiped paint, CD player. Sucks but it was free. Praying for a stang. The "Guetto Glider" If it ain't broke, you ain't tryin hard enough

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08-12-2001, 12:40 AM	#2
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	I'm gonna guess about 350 flywheel, Lots of variables here...block prep (blue printing, balancing, torque plate honing, etc.). My guess is 350. Rev ------------------ '66 Coupe, 306, 300 HP, C-4, 13.97 e.t., 100.3 mph 1/4 mi.

08-12-2001, 03:20 PM	#3
red82gt Sober voice of Reason Join Date: Nov 1998 Location: Kelowna, B.C., Canada Posts: 1,514	If it's got stock heads then I'd say 260-280hp, that motor wouldn't strike any fear into me. ------------------ GT-40 heads (ported, polished, + milled), B303 cam, 1.7rr's, JE pistons, Offy intake, Carter AFB 625cfm carb, Flowtech 1 5/8" shortys, Flowtech X-pipe, MAC Flowpath exhaust, MAC pulleys, 373's, subframes, Eibachs+Tokicos, B&M ripper, FMS Clutch, Zoom Quadrant+cable, 17" CSA Ultra rims, 235/45ZR17 Yokohama AVS S4's, MSD 6A ignition+coil, FMS 9mm wires, Carbed, Naturally Aspirated, and Nasty!

08-13-2001, 12:03 AM	#4
Dark_5.0 Registered Member Join Date: Apr 2001 Location: Staging lane Posts: 4,337	He would be damn lucky to hit 280hp in my opinion that motor probably has double hump heads or something on it witch are pretty restrictive [This message has been edited by 5.0 HO (edited 08-13-2001).]

08-13-2001, 06:01 PM	#5
Dark_5.0 Registered Member Join Date: Apr 2001 Location: Staging lane Posts: 4,337	That motor looks just like my brothers 406 small block. If he tunes it right 270-310 hp lots of things come into play. Good Luck ------------------ 88 mustang gt convertible bored to 306 BBk equal length headers mac cold air fender kit 3.73 FMS gears cowl hood nitto drag radials ford racing clutch flow masters h-pipe 160* thermostat 16 degrees of timing electric fan off 94' t-bird jacobs electronics cap and wires. Edelbrock 1 1/2 inch drop springs.

08-13-2001, 10:13 PM	#6
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	I think I missed the mark. I misread the post to include Edelbrock performer heads as well. With those heads, i think he would maybe be at 350 flywheel HP. My error. Rev ------------------ '66 Coupe, 306, 300 HP, C-4, 13.97 e.t., 100.3 mph 1/4 mi.