what axle ratios are available for 1.1 ?

Terry McCormick · 01-23-2006

What axle ratios were made for the 1.1, I am looking for something in the 4:56 to 4:88 range or even 5:13. prefer not to pay the big $$$ for custom made gears. I also have to run the stock rear end housing for the 1.1 gt.

jeff denton · 01-24-2006

As far as I know, and somebody will correct me if I'm wrong, the 1.1 cars had a whole different differential than the 1.9 cars and they were all 4.11 ratio, were too weak to withstand steeper ratios or much horsepower.
If there are higher ratios available, you need to hope to hell they are not as rare and expensive as they are for the 1.9 diff, trust me! That is only one reason that total rear end swaps are common in performance GTs. Doing anything to a stock rear end is expensive.

BQS4 · 01-24-2006

Most people go for the 3:18 gears to take better advantage of the mileage the 1.1 can get.

GTJIM · 01-24-2006

The smaller 1.1 diff is only listed with two ratios - 3.89:1 and 4.11:1
Most Kadetts have 3.89 and GTs have 4.11 as they are heavier.
As far as I can find out there are no aftermarket gears for them.
It is possible that UK Vauxhall Vivas had a similar sized diff ....... investigation continues!

01-23-2006	#1 (permalink)
Terry McCormick Opeler Join Date: Jul 2003 Location: texas Posts: 3	what axle ratios are available for 1.1 ? What axle ratios were made for the 1.1, I am looking for something in the 4:56 to 4:88 range or even 5:13. prefer not to pay the big $$$ for custom made gears. I also have to run the stock rear end housing for the 1.1 gt.

01-24-2006	#2 (permalink)
jeff denton former opel racer Join Date: Nov 2002 Location: near some glaciers Posts: 2,863 Real Name: Jeff "Oh-Oh" Denton	As far as I know, and somebody will correct me if I'm wrong, the 1.1 cars had a whole different differential than the 1.9 cars and they were all 4.11 ratio, were too weak to withstand steeper ratios or much horsepower. If there are higher ratios available, you need to hope to hell they are not as rare and expensive as they are for the 1.9 diff, trust me! That is only one reason that total rear end swaps are common in performance GTs. Doing anything to a stock rear end is expensive. __________________ No Opels were harmed in the filming of this movie. However two Mustangs, a Pinto, and a Capri were hospitalized. One Mustang was euthanized the next morning.

01-24-2006	#3 (permalink)
BQS4 Southern Red Neck Join Date: Mar 2002 Location: Snellville, GA Posts: 6,028 Real Name: Gene	Most people go for the 3:18 gears to take better advantage of the mileage the 1.1 can get. __________________ "Yes, I do have a rifle rack in my Sportwagon"

01-24-2006	#4 (permalink)
GTJIM Old Opeler Join Date: Jun 2003 Location: New Zealand Posts: 5,686	I Think .... The smaller 1.1 diff is only listed with two ratios - 3.89:1 and 4.11:1 Most Kadetts have 3.89 and GTs have 4.11 as they are heavier. As far as I can find out there are no aftermarket gears for them. It is possible that UK Vauxhall Vivas had a similar sized diff ....... investigation continues! __________________ GTJim Opel Owner since last Century! Copyright © 2000-2009 J D Henry All Rights Reserved

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