When going .030" over, what piston to use?

LUV24BY · 03-22-2007, 09:01 AM

I am preparing plans for the build up of another 22RE for my runner. I am eyeing EB's kits, and for a bit of extra ponies I am going to have the block bored .030" (I was told .040" is the most the 22R blocks can have, so I want to save a little for future needs) Here is my delema-

I saw EB has some Turbo Pistons which I could realistically use. I won't be running a Turbo or a Supercharger, however I wish for about 175-200hp. I would like the piece of mind of the added strength and durability if the turbo pistons provide that.
Is there a noticeable difference in the way the standard .030" pistons and turbo pistons are made and there features?? If using the Turbo Pistons without a turbo, does that effect/lower the compression of the engine? I will probably be running a performance 22RE head. I would do the 20R head however the EFI I hear is not a bolt on to the 20R.

Thanks for the knowledge in advance!

John

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deserttoy84 · 03-22-2007, 11:09 AM

running turbo pistons will give you less compression. what you should do is get your 30 over pistons/rings and take em to the machine shop and them bore the cylinder to the pistons so you get the best clearences.

LUV24BY · 03-22-2007, 11:18 AM

That's what the machine shop wants me to do. I just thought the Turbo pistons would be a bit more stout, however if they give less compression then I will stick with standard style pistons.

Thanks for the info DT!

John

03-22-2007, 11:09 AM	#2 (permalink)
deserttoy84 Registered User Join Date: Feb 2006 Location: san diego Posts: 862	running turbo pistons will give you less compression. what you should do is get your 30 over pistons/rings and take em to the machine shop and them bore the cylinder to the pistons so you get the best clearences. __________________ 1984 toyota sr5 4x4 22r w/ weber 32/36 Pro comp 4" front springs & 3" rear downey spring Home made On-board air system V6 4.88 lock rites F & R Bilstein 7100 reservoir shocks

03-22-2007, 11:18 AM	#3 (permalink)
LUV24BY Registered User Join Date: Jan 2007 Location: Phoenix, AZ Posts: 444	That's what the machine shop wants me to do. I just thought the Turbo pistons would be a bit more stout, however if they give less compression then I will stick with standard style pistons. Thanks for the info DT! John __________________ My Junk: 1985 Toyota 4 Runner DLX, 22RE, 5 SPD Mods: 4" TG 47" Front Springs w/ 5" Shackles, 3.5" Super Lift Rear Springs w/ 6" Shackles, TG Cross Over, TG Shock Hoops, 15x8 "Outlaw I" rims, 33x12.50 R15 BFG MT KM's, Doestch Tech 12" DT3000 shocks (4 corners), Custom Front Driveshaft w/ 12" Slip yoke & CV joint ground for higher angle, Toyota Fiberglass front fenders, Centerforce Dual Friction Clutch, SR5 Cluster My World: My 1985 4Runner's Profile My Car Domain Page.

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