Anybody here built a 90mm stoke VW engine? If so what did you have to do to do it other than clearencing the case and cam. What case you used etc.

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Water cooled Dry Sumped Subaru Powered Turbo Charged Fuel Injected 2500CC Tank. Oh Rah! He who dies with the most Toys not only wins, He also wears them out!

[quote='Odyknuck']Anybody here built a 90mm stoke VW engine? If so what did you have to do to do it other than clearencing the case and cam. What case you used etc.[/quote]

Getting ready to order all the parts for a 2498cc 94 x 90mm engine.

CB 7.5mm raised deck alum. case.
DPR 90mm crank
CB 5.7 Buick journal H beam rods.
FK8 camshaft, stroker notched.

Need a little extra clearance on cam bearing towers, little deeper notches in cam (don't lathe turn it), bit more rod bolt

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Gary

Turbo VW Sand Racer
Polaris Ranger



"If you don't run into the Devil every once in awhile, you must be going in the same direction!"

Davis Motorsports FaceBook Page

Gary does the motor need the longer cylinders or does the 7.5mm high cylinder deck take care of it. I would assume my case is standard considering it only has a 78mm crank and would have to add cylinder shims.

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Water cooled Dry Sumped Subaru Powered Turbo Charged Fuel Injected 2500CC Tank. Oh Rah! He who dies with the most Toys not only wins, He also wears them out!

[quote='Odyknuck']Gary does the motor need the longer cylinders or does the 7.5mm high cylinder deck take care of it. I would assume my case is standard considering it only has a 78mm crank and would have to add cylinder shims.[/quote]

The raised deck compensates for the longer cylinders.
You still may have to shim accordingly to achieve the desired deck and compression.
This case allows you to keeps those to a minimum.

_________________
Gary

Turbo VW Sand Racer
Polaris Ranger



"If you don't run into the Devil every once in awhile, you must be going in the same direction!"

Davis Motorsports FaceBook Page

Just so Im clear here, are you saying you do not need longer cylinders and just shim the stock length cylinders to get the required deck height. I ask because I have heard that you need to go with longer cylinders because of the increased stroke and required length of rod to run thew longer stroke.

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Water cooled Dry Sumped Subaru Powered Turbo Charged Fuel Injected 2500CC Tank. Oh Rah! He who dies with the most Toys not only wins, He also wears them out!

[quote='Odyknuck']Just so Im clear here, are you saying you do not need longer cylinders and just shim the stock length cylinders to get the required deck height. I ask because I have heard that you need to go with longer cylinders because of the increased stroke and required length of rod to run thew longer stroke.[/quote]

The long cylinders are theoretically just longer from where they sit on the case to the end that seals on the head.
I can't find the paperwork on the last one

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Gary

Turbo VW Sand Racer
Polaris Ranger



"If you don't run into the Devil every once in awhile, you must be going in the same direction!"

Davis Motorsports FaceBook Page

Gary, do they make a raised deck mag case? or are they all aluminum?

[quote='Eric DeBord']Gary, do they make a raised deck mag case? or are they all aluminum?[/quote]

All aluminum AFAIK.........

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Gary

Turbo VW Sand Racer
Polaris Ranger



"If you don't run into the Devil every once in awhile, you must be going in the same direction!"

Davis Motorsports FaceBook Page

turbo you da man

[quote='rockrockets1']turbo you da man [/quote]

I don't know about that but I have stayed at a Holiday Inn..........

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Gary

Turbo VW Sand Racer
Polaris Ranger



"If you don't run into the Devil every once in awhile, you must be going in the same direction!"

Davis Motorsports FaceBook Page

Now thats Funny, I dont care who you are

_________________
Water cooled Dry Sumped Subaru Powered Turbo Charged Fuel Injected 2500CC Tank. Oh Rah! He who dies with the most Toys not only wins, He also wears them out!