U.S. CitiesCity-Data Forum Index
Go Back   City-Data Forum > General Forums > Automotive
 [Register]
Please register to participate in our discussions with 1.5 million other members - it's free and quick! Some forums can only be seen by registered members. After you create your account, you'll be able to customize options and access all our 15,000 new posts/day with fewer ads.
Jump to a detailed profile or search
site with Google Custom Search

Search Forums  (Advanced)
Business Search - 14 Million verified businesses
Search for:  near: 
 
 
Old 07-04-2010, 07:53 AM
 
Location: Eastern Missouri
3,014 posts, read 2,592,942 times
Reputation: 1278
Quote:
Originally Posted by GTOlover View Post
I belive the 6.6 HO T/A had 220HP and was faster then the same model corvette of that era. the 77-78 T/A was one of the fastest american muscle cars of the late 70's and with the WS6 pkg could handle great in it's day.


best power to displacment is the 2.0 ecotec turbo-4 it has 130HP per liter or the 3.7 mustang V6 getting 306 horspower and 31MPG

also comparing the 5.7 TPI to a 6.6 liter emission choked poncho of course the TPI 5.7 will get better MPGs also don't forget it had a 4 speed overdrive. plus people don't buy muscle cars for awsome fuel mileage. I bet if you swapped out the 3-speed Th400 for a T-56 6-speed and put in some 3.42 gears it would of got some decent mpgs.

comparing modren cars to 35-40 year old muscle cars in terms of power to fuel economy is stupid because computers and modren EFI and emissions controls have come along way. cars burn fuel alot better and they get more power out of less gas by buring it more efficent and varible valve timing, DOHC and 4 valves per cylinder plus 5-6 speed overdrive trannys or CVT's help to get even better city and hwy mpgs.


Put a modern o/d trans behind an older engine and guess what happens? The old engine if well tuned gets just as good of gas mileage as the new engines! Like my 85 Delta 88, 403, with the 4L80E and 3.42 rear gear, is getting 23 mpg on the highway, around 19 in town stop and go. The fun part was getting a computer controled transmission to work with a carbed engine!!! (Thank You Jim Sammons of Roland Racing and Tom Martin of Motorola!) Proof no transmission should be computer controled, but let the engine tell it what it should be doing.
Quick reply to this message

 
Old 07-21-2010, 02:15 AM
 
Location: Eastern Missouri
3,014 posts, read 2,592,942 times
Reputation: 1278
Any more updates on the T/A?
Quick reply to this message
 
Old 07-21-2010, 07:19 AM
 
Location: Vancouver, B.C., Canada
9,007 posts, read 11,737,590 times
Reputation: 3774
Quote:
Originally Posted by 12GO View Post
Put a modern o/d trans behind an older engine and guess what happens? The old engine if well tuned gets just as good of gas mileage as the new engines! Like my 85 Delta 88, 403, with the 4L80E and 3.42 rear gear, is getting 23 mpg on the highway, around 19 in town stop and go. The fun part was getting a computer controled transmission to work with a carbed engine!!! (Thank You Jim Sammons of Roland Racing and Tom Martin of Motorola!) Proof no transmission should be computer controled, but let the engine tell it what it should be doing.
a 4L80E costs $2K-3K and up why not just go for the cheaper beefed up 700R4?
the 4L80E is a HD truck tranny and kinda overkill for a 85 delta 88
did you put in a 8.5 rear diff? or still running the stock open diff 7.5?

Last edited by GTOlover; 07-21-2010 at 07:28 AM..
Quick reply to this message
 
Old 07-22-2010, 01:01 AM
 
Location: Eastern Missouri
3,014 posts, read 2,592,942 times
Reputation: 1278
Quote:
Originally Posted by GTOlover View Post
a 4L80E costs $2K-3K and up why not just go for the cheaper beefed up 700R4?
the 4L80E is a HD truck tranny and kinda overkill for a 85 delta 88
did you put in a 8.5 rear diff? or still running the stock open diff 7.5?


the 4L80E is a stronger trans. It's not overkill. $1200 into the 4L80E. My Delta88 has a 8.5 out of a 77 LeMans ex-Highway Patrol pursuit vehicle. 2.73 gears, posi. I also have the largest aftermarket anti-sway bars for the 90's Impala SS on it, along with custom made springs. Afco adjustable shocks, 13"disc. Next step is rear disc and wider rims and tires.
Quick reply to this message
Please register to post and access all features of our very popular forum. It is free and quick. Over $68,000 in prizes has already been given out to active posters on our forum. Additional giveaways are planned.

Detailed information about all U.S. cities, counties, and zip codes on our site: City-data.com.


 
Please update this thread with any new information or opinions. This open thread is still read by thousands of people, so we encourage all additional points of view.

Quick Reply
Message:
Over $79,000 in prizes was already given out to active posters on our forum and additional giveaways are planned!

Go Back   City-Data Forum > General Forums > Automotive
Similar Threads

All times are GMT -6.

2005-2014, Advameg, Inc.

City-Data.com - Archive 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25 - Top