98 V6 to LS1 Swap

**Smittro** · 01-15-2012, 07:15 PM

Originally Posted by ls1camino

You'll blow the two piece apart on your first real WOT pull.

Get a single piece...steel is ok, aluminum would be better. I have my stock aluminum off my WS6 if you're interested.

Agree..

He should be ok with one piece v6 steel unit like my y87 had.

I believe GM dropped the 2 piece in the v6 f-body when they went to the LS1 body style.

**35th-ANV-SS** · 01-15-2012, 07:38 PM

Yeah. I had the 2 piece set-up in my 1996. It was a real POS. Ended up having a custom one built.

**cade75** · 01-15-2012, 07:39 PM

Originally Posted by ls1camino

You'll blow the two piece apart on your first real WOT pull.

Get a single piece...steel is ok, aluminum would be better. I have my stock aluminum off my WS6 if you're interested.

That will work I wouldnt be able to get it from you until the 1st, pay day and all unless your in no hurry to get rid of it I can get after tax time.

O and how much?

**cade75** · 01-15-2012, 07:51 PM

I would love to drop the cash on a set of L92 heads but my alternative thought was to grab a set of heads off of a Vette and have them ported and polished I found a few that are still assembled for around 250 , does anyone have an estimate on getting them machined or should I just get a new set?

By the way everyone here is really helpful and I appreciate all the tips, I been on some other sites and those guys/girls grill you even the most basic questions. This site is GREAT.

**cade75** · 01-15-2012, 07:59 PM

Any tips on a cam selection, the car will be on the bottle eventually just incase anyone needed to know.

**Cutlass** · 01-16-2012, 12:05 AM

Originally Posted by cade75

I would love to drop the cash on a set of L92 heads but my alternative thought was to grab a set of heads off of a Vette and have them ported and polished I found a few that are still assembled for around 250 , does anyone have an estimate on getting them machined or should I just get a new set?

By the way everyone here is really helpful and I appreciate all the tips, I been on some other sites and those guys/girls grill you even the most basic questions. This site is GREAT.

Port the stock 6.0 heads. They are almost identical to the LS6 heads and they'll make great power

**ls1camino** · 01-16-2012, 03:38 AM

Originally Posted by cade75

That will work I wouldnt be able to get it from you until the 1st, pay day and all unless your in no hurry to get rid of it I can get after tax time.

O and how much?

$100 and it's yours.

Also, I just noticed you're on Ft. Meade, so you're right around the corner from me. If you need any help working on your car, just let me know.

**cade75** · 01-16-2012, 04:55 AM

Originally Posted by ls1camino

$100 and it's yours.

Also, I just noticed you're on Ft. Meade, so you're right around the corner from me. If you need any help working on your car, just let me know.

That would be great, is the time line ok I would hate to hold you up the first would be the soonest I could grab it.

**ls1camino** · 01-16-2012, 05:10 AM

Originally Posted by cade75

That would be great, is the time line ok I would hate to hold you up the first would be the soonest I could grab it.

No, it's fine...I've got so many parts in my garage that I can't fit my car in there anymore.

**cade75** · 01-16-2012, 06:48 AM

Update

The driveshaft is covered, and the car should be here around the middle of Feb maybe the end , 98-00 LS1 w/harness is being hunted, Heads and intake should be done prior to the bolt up I have an eye on a set , Still need the rear end on the hunt for that as well. The great thing is the car is a V6 base no power locks or windows so the engine harness and some elbow grease should give me a great start.The fuel line assembly is what I need to find, I going to run a stock pump for now I can get that pretty quick.

I will post pic as I gather everything up and the build starts. Thanks Everyone

**Smittro** · 01-16-2012, 07:21 AM

The 3800 and the LS1 both use the same fuel pump configuration (cartrage style) in the tank, and both pump harnesses plug into the tunnel behind the driver rear passenger seat.

Both have the fuel lines that come up along the drivers side shock tower with 2 lines to the rail 1 inlet and one return.

Both also use a fuel tank vapor purge solenoid as well.

**Smittro** · 01-16-2012, 07:25 AM

fuel filter is also in the same location between the two.

**ls1camino** · 01-16-2012, 07:39 AM

Originally Posted by Smittro

The 3800 and the LS1 both use the same fuel pump configuration (cartrage style) in the tank, and both pump harnesses plug into the tunnel behind the driver rear passenger seat.

Both have the fuel lines that come up along the drivers side shock tower with 2 lines to the rail 1 inlet and one return.

Both also use a fuel tank vapor purge solenoid as well.

Late 4th Gens have the return to the tank right after the filter, so there is only one line going to the rails...the other is the EVAP.

**Smittro** · 01-16-2012, 07:43 AM

Originally Posted by ls1camino

Late 4th Gens have the return to the tank right after the filter, so there is only one line going to the rails...the other is the EVAP.

Not the v6 cars. They still have two @ the rail and a seperate evap line.

He could still make use of what is there just has to modify it a bit.

Sure beats changing it all around. imho

**ls1camino** · 01-16-2012, 07:47 AM

Originally Posted by Smittro

Not the v6 cars. They still have two @ the rail and a seperate evap line.

He could still make use of what is there just has to modify it a bit.

Really?

He can buy the stock setup from my T/A, since I'm junking it anyway in favor of a 10AN feed line and 8AN return

**Smittro** · 01-16-2012, 07:53 AM

Originally Posted by ls1camino

Really?

He can buy the stock setup from my T/A, since I'm junking it anyway in favor of a 10AN feed line and 8AN return

Yup late v6 cars have a return from the rail.

Inb4 the edit lol..

**Smittro** · 01-16-2012, 07:57 AM

As seen here on my 01 rail, there's an inlet and the return just below is the evap solenoid.

**cade75** · 01-16-2012, 10:11 AM

I thought that the V8 was a 2-line with a t-fitting in the rear for the evap/return I am not sure?? Here is a link to a swap that I found using google any tips on this will help. I am sorry if LS1T is a bad word here its what came up when I was looking for info on the fuel lines.

'99 L36 V6 to '01 LS1 V8 swap (w/PICS!) - LS1TECH

**cade75** · 01-16-2012, 10:56 AM

Originally Posted by ls1camino

Really?

He can buy the stock setup from my T/A, since I'm junking it anyway in favor of a 10AN feed line and 8AN return

How much where you asking. Looks like I might get a few things from you for the build.

**Smittro** · 01-16-2012, 11:15 AM

Originally Posted by cade75

I thought that the V8 was a 2-line with a t-fitting in the rear for the evap/return I am not sure?? Here is a link to a swap that I found using google any tips on this will help. I am sorry if LS1T is a bad word here its what came up when I was looking for info on the fuel lines.

'99 L36 V6 to '01 LS1 V8 swap (w/PICS!) - LS1TECH

The "T" creates 2 fuel lines in a looped fasion on the LS1 and the other line without the "T" is the evap.

Like I said you would need to modify the v6 line outlet (presure side) some by simply adding a "T" before the filter and connecting the v6 return to the "T" for your LS1.

Then you can connect the evap just like it was on the v6 to your evap solenoid on the LS1.

You'll just eliminate the v6 return line by caping it.