Help with vortec worth? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Olden Days · 12-07-2005, 05:09 PM

I recently bought a (wrecked) 98 GMC to get the motor tranny (for a future 68 project) on the word of someone that it was a 350. I looked up the codes (later)and it turns out to be a 305 with 4l60-e tranny. The odometer says 117000 miles. I know I dont want the 305, I havent decided whether I want the tranny or not. Any how I was considering parting this truck out. Can anyone help with what that engine tranny combo should be worth together or seperate? thanks....

shifty · 12-07-2005, 05:16 PM

With that kind of mileage? You might be able to get between $1000 out of it (fairly), possibly as high as $1500. The mileage is the killer - should get a freshen up and rebuild.

That's a great engine, good fuel economy and power. I'd take it over a 350 any day (My '03 GMC Sierra had 4.8L Vortec in it, 305 I think, it kicked ass).

llegos · 12-07-2005, 07:48 PM

4.8 and 305 are totally different engines. the 4.8 is a GenIII smallblock, and I dont think any 350's or 305's were made to GenIII(excluding the LS1/6)

**Palf70Step** · 12-07-2005, 09:01 PM

the 5.0 is a good motor, and not the same as the 4.8 newer series. Like shift said,the mileage is a killer for resale. I've seen 305's go for 300 up to about 600. If it runs good, and you just want a Vortec engine, clean it up and install it into your truck. It is a good street combo and will serve you well.

TEXAS 68 · 12-08-2005, 04:13 PM

I bought the same combo for my 68. There's not much performance diff in 5.0-5.7 that a few bolt ons and comp tuning won't fix. It depends on what you want,I wanted a mild performance combo with reliablity to cruise. Besides, a stock F.I. small block in a stepside like mine should roast the tires when you want to and get 15-20 mpg on the highway JMO. Anyway I paid $500 for a 98 5.0 with tranny,comp,and harness with 58,000 miles.

stueber68 · 12-08-2005, 04:25 PM

HEY TEX, I HAVE BEEN TRYING TO FIND YOU. How have you hooked up the fuel pump module on yours? PM me please.

Old guy! (just kidding) There really is no difference between the 305 and 350. Same cam, heads, and stroke for the most part. You will actually find that the 305 will be a little bit smoother.
This swap is definately worth it. You just have to keep patient during the install. Main thing is the fuel pump and the power supply

TEXAS 68 · 12-08-2005, 05:01 PM

Quote:

Originally Posted by stueber68

HEY TEX, I HAVE BEEN TRYING TO FIND YOU. How have you hooked up the fuel pump module on yours? PM me please.

Old guy! (just kidding) There really is no difference between the 305 and 350. Same cam, heads, and stroke for the most part. You will actually find that the 305 will be a little bit smoother.
This swap is definately worth it. You just have to keep patient during the install. Main thing is the fuel pump and the power supply

Man, didn't know I was that popular

I havn't got that far yet, but from the painless harness I'm using has the feul pump wires included and the engine harness is a one wire hook up.BTW what did you do for a drive shaft?

12-07-2005, 05:09 PM	#1
Olden Days Living In The Past Join Date: Nov 2003 Location: Rockies Posts: 709	Help with vortec worth? I recently bought a (wrecked) 98 GMC to get the motor tranny (for a future 68 project) on the word of someone that it was a 350. I looked up the codes (later)and it turns out to be a 305 with 4l60-e tranny. The odometer says 117000 miles. I know I dont want the 305, I havent decided whether I want the tranny or not. Any how I was considering parting this truck out. Can anyone help with what that engine tranny combo should be worth together or seperate? thanks....

12-07-2005, 05:16 PM	#2
shifty Questionable Join Date: Mar 2005 Location: Atlanta Posts: 13,376	Re: Help with vortec worth? With that kind of mileage? You might be able to get between $1000 out of it (fairly), possibly as high as $1500. The mileage is the killer - should get a freshen up and rebuild. That's a great engine, good fuel economy and power. I'd take it over a 350 any day (My '03 GMC Sierra had 4.8L Vortec in it, 305 I think, it kicked ass). __________________ If I've got anything up for grabs, it'll be here: 7-hole gauge cluster for a 67-72 p/u FREE (link) I can't check the forum daily. If I don't reply to you within 24 hours, drop me a PM! I'm (hopefully) still alive and will reply faster to a PM.

12-07-2005, 07:48 PM	#3
llegos Registered User Join Date: Aug 2005 Location: pleasanton, CA Posts: 570	Re: Help with vortec worth? 4.8 and 305 are totally different engines. the 4.8 is a GenIII smallblock, and I dont think any 350's or 305's were made to GenIII(excluding the LS1/6) __________________ -Steve

12-07-2005, 09:01 PM	#4
Palf70Step State of Confusion! Join Date: Jul 2002 Location: Gulfport, MS USA Posts: 46,865	Re: Help with vortec worth? the 5.0 is a good motor, and not the same as the 4.8 newer series. Like shift said,the mileage is a killer for resale. I've seen 305's go for 300 up to about 600. If it runs good, and you just want a Vortec engine, clean it up and install it into your truck. It is a good street combo and will serve you well. __________________ Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God!

12-08-2005, 04:13 PM	#5
TEXAS 68 Vortec in the works Join Date: Nov 2003 Location: Spring,Texas Posts: 735	Re: Help with vortec worth? I bought the same combo for my 68. There's not much performance diff in 5.0-5.7 that a few bolt ons and comp tuning won't fix. It depends on what you want,I wanted a mild performance combo with reliablity to cruise. Besides, a stock F.I. small block in a stepside like mine should roast the tires when you want to and get 15-20 mpg on the highway JMO. Anyway I paid $500 for a 98 5.0 with tranny,comp,and harness with 58,000 miles. __________________ 68? It's all figured out untill you get it apart. Is it Sunday yet??? 68 Project 68 SWB frame off/98 Vortec with stock FI/power everything. 95 ECLB 2500 with 346,000 on the clock(the original HD) 99 Lesabre-wifes ride 08 Crew Cab LTZ-All Mine 89 SWB 5/7 drop-Son's first ride.

12-08-2005, 04:25 PM	#6
stueber68 1968 C20 Vortec Beast Join Date: Jun 2005 Location: STILLWATER,OKLAHOMA Posts: 483	Re: Help with vortec worth? HEY TEX, I HAVE BEEN TRYING TO FIND YOU. How have you hooked up the fuel pump module on yours? PM me please. Old guy! (just kidding) There really is no difference between the 305 and 350. Same cam, heads, and stroke for the most part. You will actually find that the 305 will be a little bit smoother. This swap is definately worth it. You just have to keep patient during the install. Main thing is the fuel pump and the power supply __________________ Ugly or not it still kicks a*! Last edited by stueber68; 12-08-2005 at 04:26 PM.*



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