8.1 Chevy Vortec Swap.... - Lateral-g Forums

70rs · #1 06-09-2009, 10:02 AM

Is that your old car? That is very nice! It looks like Jack Roushs' brother shaking your hand.

Or at least some one who stole his hat.
You have got to get a build thread going when you get the car home. Lots of pics too. This will be a good one to watch come together.
When do you expect to have it? Is there anything being done to it where it is now?

69MyWay · #2 06-09-2009, 11:34 AM

Quote:

Originally Posted by 70rs

Is that your old car? That is very nice! It looks like Jack Roushs' brother shaking your hand.

Or at least some one who stole his hat.
You have got to get a build thread going when you get the car home. Lots of pics too. This will be a good one to watch come together.
When do you expect to have it? Is there anything being done to it where it is now?

That is Mike Yager - big Vette guy. That hat is like his trademark. That is my old 69 - had a blast buidling and playing with it - then sold it prior to relocating from FL to Illinois...and have missed it everyday - then this other opporutnity came up.

Right now the car is at Jody's in Cali waiting in his garage for the shipper to pick it up. I am in the process of finishing my detached garage and should have it all done and ready by the time the car gets here. Last part is to get some concrete in and a lift.

I'll keep the updates coming!

69MyWay · #3 06-11-2009, 07:38 AM

here is the beast on the engine stand.

Wayne S · #4 06-11-2009, 09:31 AM

That should be a fun tire roaster. I have an '04 Suburban 2500 with the 8100 in it and 4.10's and a Hypertch programmer set to 87 octane (plus I upsized the tires to 265/75-16's). It weighs a little over 7,000 lbs., and for a big old thing, it sure can get out of it's own way. I've never run it at the track, but it feels like it might crack into the 15 second zone. And you're vette would be at least 3500 lbs less, so even in stock trim, it should at least be in the mid-low 13's. Another note, my Suburban doesn't need to rev past 4800 rpms either, so you won't need much gear. Plus, it can lug pretty low too. I can get about 13.5-14 mpg out on the highway, but my rpms are killing me, 2500 rpms at 65mph (plus it's a heavy brick). You shouldn't have any problem getting over 20mpg in the Vette with a 6 spd.

Good luck.

70rs · #5 06-11-2009, 09:56 AM

What's your solution for the oil pan? Is there an aftermarket one or will you have to mod the factory unit?
Is there any pics of the car you can post?
Looking forward to pics and video if you can with the car going down the track.

69MyWay · #6 06-11-2009, 10:26 AM

I am told the oil pan rails are wider on this than a traditional BB, so an aftermarket pan won't work. I assume (I know that can get me in trouble) that I can have this pan cut down and welded like I did the LS pan in my 69 Camaro. If so...getting it to fit shouldn't be an issue.

Right now the biggest issue I see is clearing the dbw throttle body under the hood (making a cold air connection, etc) and the front accessory drive.

I am currently thinking about making sure I have the highest possible rear gear, then keep this as a low RPM growler...that will still be quick, but just sip the gas on the highway.

I don't want to be a self inflicted victim of soon to be again ultra high fuel prices by putting together a monster that can't pass a gas station.

70rs · #7 06-11-2009, 10:55 AM

You have an 8.1 that you are going to modify. I'm thinking it doesn't matter what gears you use, there will be frequent visits to the gas station in your future.

I get what you are saying about the gears, it will help alot with the MPG if you gear it right.
Be carefull with the oil pan mods, if you reduce capacity too much that oil pump will suck the pan dry quickly. The same thing can happen if the pick up point isn't right too.