Does sound like an unsuitable cam for an auto, then.Captainbeaky wrote:Yup, mixture is fine, if anything, on the rich side.
Ignition is fine.
4hp22 vs 4hp24 do I upgrade?
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Just seen this thread!
You can rebuild the internals from the main case of a 4HP24 into a 4HP22 case and then use the normal hydromechanical valve block unit from the 4HP22, no need for Ashcroft's ridiculously priced controller! You can also use the 4HP24's larger "A" clutch, larger pump and thicker (by 18mm) pump plate too. Use the bellhousing, torque convertor and driveplate setup from a 4.6 rangie and it all fits together nicely.
I ran a fairly wild and torquey V8 in a 110 Defender for years on a standard 4HP24 - the 22's limit is 300lbft, my engine was built to give roughly 280-290lbft and I had no issues.
You can rebuild the internals from the main case of a 4HP24 into a 4HP22 case and then use the normal hydromechanical valve block unit from the 4HP22, no need for Ashcroft's ridiculously priced controller! You can also use the 4HP24's larger "A" clutch, larger pump and thicker (by 18mm) pump plate too. Use the bellhousing, torque convertor and driveplate setup from a 4.6 rangie and it all fits together nicely.
I ran a fairly wild and torquey V8 in a 110 Defender for years on a standard 4HP24 - the 22's limit is 300lbft, my engine was built to give roughly 280-290lbft and I had no issues.
