Anyone who has a Chevy powered 928 please post!
03-13-2012, 06:13 PM
#16
Administrator - "Tyson"
Lifetime Rennlist
Member
Lifetime Rennlist
Member
Which one? I can show you plenty of Chevy V8's that make less power than even the US 16V's.
One of the ZO6's on my race team has an LS powered engine on par for quality and power as a Greg Brown 928 engine. Cost about the same too.
I've had my fare share of these "cheap" Corvette engines. I help push them back on the trailer all the time.
Is that why the 911 is one of the most successful race cars ever?
One of the ZO6's on my race team has an LS powered engine on par for quality and power as a Greg Brown 928 engine. Cost about the same too.
I've had my fare share of these "cheap" Corvette engines. I help push them back on the trailer all the time.
Is that why the 911 is one of the most successful race cars ever?
03-13-2012, 06:47 PM
#17
Captain Obvious
Super User
Super User
03-13-2012, 06:52 PM
#19
Rennlist Member
I'm not MIA, just sitting on the sidelines with not much more to add. I'm more than happy to provide info on what I've done with the 91 track car and with the 82 auto.
The 82 is just great. Only 420 crank hp out of our LS6 and it's coupled to a 3 speed auto. Everything works except the mileage gauge. Starts, steers and stops like it should. Nothing could be more opposite the track car.
I have had my ups and downs with the race car. In an effort to be completely unique, I was always in an area that hadn't been tested. So, we found that many things didn't work as advertised. I've blown engines, transmissions, hubs, axles and now I have a driveshaft coupler bolt that sheered off at about 6,000 rpm. Back to the drawing board to determine the permanent fix. Better bolts (probably) solid couplers (likely), different method of attachment (also likely) or carbon fiber shaft ($2K, unlikely).
Building LS 928s for the street is really a good move under many circumstances. Building an LS track car is also a good move if you want to be fast and unique. But be careful what you wish for.
The 82 is just great. Only 420 crank hp out of our LS6 and it's coupled to a 3 speed auto. Everything works except the mileage gauge. Starts, steers and stops like it should. Nothing could be more opposite the track car.
I have had my ups and downs with the race car. In an effort to be completely unique, I was always in an area that hadn't been tested. So, we found that many things didn't work as advertised. I've blown engines, transmissions, hubs, axles and now I have a driveshaft coupler bolt that sheered off at about 6,000 rpm. Back to the drawing board to determine the permanent fix. Better bolts (probably) solid couplers (likely), different method of attachment (also likely) or carbon fiber shaft ($2K, unlikely).
Building LS 928s for the street is really a good move under many circumstances. Building an LS track car is also a good move if you want to be fast and unique. But be careful what you wish for.
03-13-2012, 06:56 PM
#20
Race Director
I'm not MIA, just sitting on the sidelines with not much more to add. I'm more than happy to provide info on what I've done with the 91 track car and with the 82 auto.
The 82 is just great. Only 420 crank hp out of our LS6 and it's coupled to a 3 speed auto. Everything works except the mileage gauge. Starts, steers and stops like it should. Nothing could be more opposite the track car.
I have had my ups and downs with the race car. In an effort to be completely unique, I was always in an area that hadn't been tested. So, we found that many things didn't work as advertised. I've blown engines, transmissions, hubs, axles and now I have a driveshaft coupler bolt that sheered off at about 6,000 rpm. Back to the drawing board to determine the permanent fix. Better bolts (probably) solid couplers (likely), different method of attachment (also likely) or carbon fiber shaft ($2K, unlikely).
Building LS 928s for the street is really a good move under many circumstances. Building an LS track car is also a good move if you want to be fast and unique. But be careful what you wish for.
The 82 is just great. Only 420 crank hp out of our LS6 and it's coupled to a 3 speed auto. Everything works except the mileage gauge. Starts, steers and stops like it should. Nothing could be more opposite the track car.
I have had my ups and downs with the race car. In an effort to be completely unique, I was always in an area that hadn't been tested. So, we found that many things didn't work as advertised. I've blown engines, transmissions, hubs, axles and now I have a driveshaft coupler bolt that sheered off at about 6,000 rpm. Back to the drawing board to determine the permanent fix. Better bolts (probably) solid couplers (likely), different method of attachment (also likely) or carbon fiber shaft ($2K, unlikely).
Building LS 928s for the street is really a good move under many circumstances. Building an LS track car is also a good move if you want to be fast and unique. But be careful what you wish for.
Will your car be running by April 7-8? It would be great for you to join us at Thunderhill!!!! Things are looking good for a strong race 928 turnout..with at least 5 for sure..... Maybe only 4 on track....but 5 will be there....
My LS2 engine will be done by late April too.....its quoted at 520hp 475ftlbs....but I don't think I will install it anytime soon...but its nice to know its there waiting....
03-13-2012, 07:00 PM
#21
Three Wheelin'
Thread Starter
That's a poor a$$ excuse. Even NASCAR went to EFI, apperantly it isn't good enought for them. What will you say when KTM coverts?
2 * enough
Whats with all the hate, buddy?
Carbs were good enough for billion dollar industry NASCAR racers for 50+ years, and IF KTM converts I'll say thats too bad because carbs are so easy to rebuild and maintain, an autistic monkey could do it. I am a weekend racer who is just out of college and broke as ****.. If you want to drop $2000 and get my *** a shiny new EFI system (which on SBCs is just carb with injectors instead of jets) be my guest.
03-13-2012, 07:07 PM
#22
Rennlist Member
Hacker-
Really? Even if I figure the cost of fixing two previous iterations of my current motor AND Greg ignores his failure cost, I would estimate the cost of 700 LS crank hp to be about 40% of the cost of 700 928 stroker hp. I'm not saying we have figured out everything yet, but neither has Greg. It is all work in progress. The real difference is the abundance of aftermarket parts and machining for LS motors and the limited number of specialists like Greg who are out there working more or less on their own. It is bound to cost more to develop 928 parts and build techniques.
My other point is that there is no right or wrong with either approach. However, as this is a 928 forum, I am more than happy to admit that the purists should occupy higher moral ground than the LS conversion crowd.
Really? Even if I figure the cost of fixing two previous iterations of my current motor AND Greg ignores his failure cost, I would estimate the cost of 700 LS crank hp to be about 40% of the cost of 700 928 stroker hp. I'm not saying we have figured out everything yet, but neither has Greg. It is all work in progress. The real difference is the abundance of aftermarket parts and machining for LS motors and the limited number of specialists like Greg who are out there working more or less on their own. It is bound to cost more to develop 928 parts and build techniques.
My other point is that there is no right or wrong with either approach. However, as this is a 928 forum, I am more than happy to admit that the purists should occupy higher moral ground than the LS conversion crowd.
03-13-2012, 07:12 PM
#23
Rennlist Member
I'm in Arizona thru much of May, planning to do a PCA event at Spring Mountain May 26-7 on my way up to Tahoe. Haven't really worked out a schedule for the summer. Given the heat index, want to do Laguna and Sears more than TH. But, things change as I am now waiting for driveshaft answers and parts.
03-13-2012, 07:55 PM
#24
Rennlist Member
The reason for this thread is to identify people who have a converted car or are interested in knowing more about the conversion and the part numbers used to do a reasonably priced first class conversion. For 8 years I have read the countless threads of "which is better" vs "which is worse". We only want to identify WHO is intererested in something different than OEM,,,particularly with an interest towards a track car. Once those people are identified.....then we will quietly go to a separate corner of the room and have our discussion without offending anyone.
03-13-2012, 10:27 PM
#25
Advanced
Join Date: Jul 2004
Posts: 82
Likes: 0
Received 0 Likes
on
0 Posts
I have had a '79 928 for about 8 years now and if the engine had of given out would probably have replaced with a Chevy.
A SB would be easy and I have a GMC pickup with a 454 that could be a donor as I recently got a '95 Dodge Diesel Dually 3500.
The cost of Porsche parts are literally dragging these fine cars to the crushers.
I have a Jaguar '62 XKE Roadster. Burned holes in three pistons and after getting prices from a Jag dealer converted to a Chevy SB. Other than oil, filter, plugs etc. $0.00 over 8 years as I recall on the engine. I don't know if an LS would fit without further modifications but I am looking for a 383 stroker to replace the early '60s 327.
The "chevy-powered-928" is a good idea to keep a 928 drivable, for an original show car or a garage queen no.
If it is a decision between chevy engine v. $$$$$$$$$$$$$$$$ v. crusher it is an owners choice.
edit: Lloyd, do you have a link to pictures of the 914-V8?
A SB would be easy and I have a GMC pickup with a 454 that could be a donor as I recently got a '95 Dodge Diesel Dually 3500.
The cost of Porsche parts are literally dragging these fine cars to the crushers.
I have a Jaguar '62 XKE Roadster. Burned holes in three pistons and after getting prices from a Jag dealer converted to a Chevy SB. Other than oil, filter, plugs etc. $0.00 over 8 years as I recall on the engine. I don't know if an LS would fit without further modifications but I am looking for a 383 stroker to replace the early '60s 327.
The "chevy-powered-928" is a good idea to keep a 928 drivable, for an original show car or a garage queen no.
If it is a decision between chevy engine v. $$$$$$$$$$$$$$$$ v. crusher it is an owners choice.
edit: Lloyd, do you have a link to pictures of the 914-V8?
03-13-2012, 10:57 PM
#26
Three Wheelin'
Thread Starter
Headcount so far: Larry, Lloyd, Boganspeed (the Australian guy), and I thought ricersnittzle had one but havent seen him around lately.
Last edited by ubercooper; 03-14-2012 at 07:30 PM.
04-26-2012, 10:17 PM
#28
Rennlist Member
Join Date: Nov 2007
Location: Edmonton,Alberta
Posts: 1,003
Likes: 0
Received 0 Likes
on
0 Posts
I'm interested in this thread. Brian aka. IcemanG17 is building a 500/500 Ls motor that is going to find its way into either the 51or 52 at T-Hill Garage 17. We'll see how long it takes to break it.
Sean
Sean
04-27-2012, 03:25 AM
#29
Cruisin'
Join Date: Mar 2012
Location: Bisbane, Australia
Posts: 9
Likes: 0
Received 0 Likes
on
0 Posts
I am in Australia too. And I own 3 928's
A 1980 wide body with a chevy, A 1979 standard and a parts car.
I would have to say that the chevy is much cheaper to build for same HP.
Down here you can buy 350 blocks for $100 - 500 and build with new crank, pistons, cam, and alloy heads for around the $2500 mark, that gives you a bit over 350HP at the flywheel, take 20% off for the drive train and you get 280HP at the wheels. Even if you take 30% off you get 245HP at the wheels.
I love both the cars
A 1980 wide body with a chevy, A 1979 standard and a parts car.
I would have to say that the chevy is much cheaper to build for same HP.
Down here you can buy 350 blocks for $100 - 500 and build with new crank, pistons, cam, and alloy heads for around the $2500 mark, that gives you a bit over 350HP at the flywheel, take 20% off for the drive train and you get 280HP at the wheels. Even if you take 30% off you get 245HP at the wheels.
I love both the cars
04-27-2012, 09:42 AM
#30
Rennlist Member
There's a cheap one in Houston. I don't know anything about it. Got to love the big round hole in the hood!
http://houston.craigslist.org/cto/2958209573.html
http://houston.craigslist.org/cto/2958209573.html
