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By Hollow Head - 16 Years Ago
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http://www.riley-auto.com/ADAPTERS.html There is an adapter to connect Y-block to Chevy transmission. PG maybe?
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By Ted - 16 Years Ago
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Looked at the site but wasn’t much detail on the adapters. Sounds like you’ll need to contact them for more information. Besides verifying that the adapter will fit a powerslide, a couple of other questions that need asking are what flywheel is being used and what starter is required. And also ask if a standard length converter will work or if that needs to be lengthened by the amount of adapter thickness.
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By paul2748 - 16 Years Ago
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Any one care to guess why a 292/350 adapter is 295 while a 312/350 adapter is 495?
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By uncleaud - 16 Years Ago
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This is just a guess. However, the format of the add looks the same as Wilcap. when i called and ask I was told that the $295 adapter was for a standard transmission and the $495 was what was needed for any of the automatic belhousings. I'm thinking that it is a typo.
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By HT32BSX115 - 16 Years Ago
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paul2748 (1/15/2009)
Any one care to guess why a 292/350 adapter is 295 while a 312/350 adapter is 495?
Hey, that's a good price......I paid almost $900 for the adapter, flexplate, & starter to adapt my 292 + E4OD!!
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By slepe67 - 16 Years Ago
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uncleaud (1/16/2009)
This is just a guess. However, the format of the add looks the same as Wilcap. when i called and ask I was told that the $295 adapter was for a standard transmission and the $495 was what was needed for any of the automatic belhousings. I'm thinking that it is a typo.I saw that yesterday, and was wondering what differences there were between the two. I'll call them this week and find out.
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By bird55 - 16 Years Ago
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HT32BSX115 (1/18/2009)
paul2748 (1/15/2009)
Any one care to guess why a 292/350 adapter is 295 while a 312/350 adapter is 495?Hey, that's a good price......I paid almost $900 for the adapter, flexplate, & starter to adapt my 292 + E4OD!!
I agree, never thought I would pay that much. BUT it works perfectly without any mistakes or missing elements to fabricate.
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By yalincoln - 16 Years Ago
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can anyone explane to me why anyone would put a GM trans behind a y-block unless he was putting it in a camero? a c-4 takes less HP, weights less, and is just as strong as any GM trans. just wandering, wayne.
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By Hollow Head - 16 Years Ago
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PG is very much used at drag racing applications and there is lot's of speed parts available for that sport. It is short and so easier to use in altereds and dragsters. That's why. 
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By Hollow Head - 16 Years Ago
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This is taken from another forum...
If your car is only used occasionally and on the weekend, then overdrive may not matter to you.
4R70W would cost alot more though (expensive). Also it's heavier and soaks up more HP than C4.
Powerglide is the lightest and eats up less horsepower. Only has 2 speeds but the 2nd gear ratio is 1:1 just like a C4 in 3rd gear.
On the highway the RPM of a Powerglide is the same as a C4.
The disadvantage of the Powerglide on the street is that 1st gear is very tall and you need good low end torque to get it moving (maybe your 408 makes good torque down low?)
Powerglides were production transmissions and were used on the street however.
With 3.27 gears and 26" tires at 60mph would be about 2600 RPM
The advantage of the Powerglide on the track is that the tall first gear makes launches more manageable when leaving off the line with twin turbo boost or 500 hp nitrous like you intend.
Plus the powerglide is cheap to build strong. Also you only shift once!
So... C4 is good and doable, but I quess it takes more money?
Keeping Ford as a Ford is ok, but if you only have a tube frame it's ok to use chevy parts. Ain't it Ted?
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By Larry D - 16 Years Ago
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For a race car I say "No Problemo"!!! Hell look at NASCAR, they all use Ford toploader transmissions and 9" rear ends. Every time a "Scrub" wins a race I remind the guys at work that two-thirds of the car crossing the finish line was a FORD!
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By LordMrFord - 16 Years Ago
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I think Ford vs. Chevy competition is not so important in Finland cause in here, 99% of cars come from Japan or Europe.
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By Ted - 16 Years Ago
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Hollow Head (2/13/2009)
Keeping Ford as a Ford is ok, but if you only have a tube frame it's ok to use chevy parts. Ain't it Ted?I do have a ‘Glide in my roadster but also have one in my ’64 T-Bolt. After a short stint with C6’s behind a stroker 427 Ford, the change to the ‘Glide was worth an easy 3/10th’s in quarter mile ets and that clinched it for using those trannies in my Ford powered race cars. When I made this switch, the serious parts to make a C6 or C4 live were not readily available but the performance industry was already geared up in making the ‘right stuff’ for the Powerglide transmission and being able to race every weekend without breakage was the deciding factor on staying with the ‘Glide for the last three decades. My T-Bolt weighs in at 3050 lbs and would be considered marginal as far as car weight goes for a ‘Glide but still works well in that car with a 2.03:1 low gear. But for a lighter car like my roadster, the lower numeric ratio of the ‘Glide’s low gear as well as the overall weight of the transmission are hard to beat. As an FYI, the roadster runs a 1.94:1 low gear versus the stock 1.76:1. But everything I own isn’t Powerglide equipped. I’ve a ’66 Fairlane with a C6 with a reverse valve body that also works well for that particular car but modern transmission technology has been applied to it. And for my latest ’57 Ford racecar (tube chassis), it is a modern prepped C4 with all the bells and whistles as I’m wanting the C4 low gear without requiring additional gearing in the rear for a harder launch at the sacrifice of a strong top end charge.
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