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Print in friendly format Send this term to a friend  4L80E
Automatic Transmission - 4 Speed

1st Gear: 2.43
2nd Gear: 1.49
3rd Gear: 1.00
4th Gear: 0.75

Reverse: 2.07

- Used in production GM models...
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Re: Driving impressions with the AFR heads

Subject: Re: Driving impressions with the AFR heads
by Josh on 2009/8/18 18:37:04

My TFS heads were ported by Lloyd Elliot. They also had very nice valve springs and retainers on them. Once all the cost of the port work and valve springs was added in, the TFS heads came in nearly identical in price to the AFR heads. From my stickied thread:

Quote:
TFS aluminum 195 CC heads, P/N TFS-30400006-CNC.
The heads have bee hive springs, 10 degree locks, and titanium retainers.
The heads have been lightly ported and decked by Lloyd Elliot.
Total retail for the heads with port work and upgraded springs is $2000.


VS

Quote:
AFR aluminum 195 CC heads competition ports, P/N AFR-1095. Nothing has been done to the heads, they will be bolted on as they come from AFR. Total retail for these heads is $2016.

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