Thread: Plans for High CR VE build

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2009-01-08 00:37:22

#21

jer_760

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Originally Posted by ca18

interesting budget build. I know the 16ve pistons are around 13.5:1 in a de with ve head, but in a ve it would be lower. Have you worked out your comp? What rods you decide to go? if you are gonna go fs4's try and get them made with 20v bottoms as the fs4 low lobes leave a little to be desired, but the high lobes dont seem that bad.

The 16ve pistons on a de block with a ve head will yield the exact same compression as being in a ve motor, because the compression difference is in the ve combustion chamber. For example, if you put a de head on a ve block, it would yield LESS compression than a ve motor.

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2009-01-08 00:48:41

#22

STRATTON

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i suggest finding a good machine shop.

do a 88mm bore on the stock sleeve. its been done before with reliability in btcc and in many other countrys. just have to make sure its dead center.

that will put you at a 2.1. lighten and balance everything wih 12:1 compression and the right bolt ons and 230whp should be no issue. of coarse some headwork.

stratton.

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if ruled the world and everything in it, skys the limit id push the q 4 5 infinit....

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2009-01-08 00:54:58

#23

jer_760

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Originally Posted by STRATTON

Since he is wanting to use the new "off the shelf" cp pistons from mazworx, the only other bore options he has other than stock is 86.5 and 87. I just saw that they offered 87, so I retract my previous recommendation to use the 86.5's, and go with the 87's.

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2009-01-08 00:56:32

#24

anomaly

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listen to donttazmebro, the header and intake manifold might do better than a compression bump.

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2009-01-08 01:00:23

#25

STRATTON

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egh isnt there companys that make 86-92mm ve pistons ?

if not what about a de 12:3:1 piston and making deeper valve notches.

stratton.

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2009-01-08 02:30:04

#26

donttazmebro Online/offline status of donttazmebro is unknown

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it's apparent that everyone has an opinion

there are no cams that are readily avaible that will make any power to 9k rpm. The only thing you should be focused on is headwork and a custom intake manifold.

Nothing else should matter

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IX MR vs VVL guess who's faster

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2009-01-08 02:47:49

#27

anomaly

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Originally Posted by donttazmebro

dont forget that header there guy! i am in agreement though,
i would say if you do have the money to get at the least a "pocket port" then do so.
the intake manifold and header are key,

hopefully soon i can see what a custom intake manifold paired with a good header and tuning can do. or if not maybe someone else can

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2009-01-08 05:08:56

#28

jer_760

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Guys, read the bold. That is why none of us mentioned anything about the header or intake manifold choices......

Originally Posted by nismos13silvia

This motor will be some weekends track warrior and daily driven in the summer. I done lots of reading/searching. It's time to take some action. Here's a setup I'm thinking about going with.

-Mazworx CP SR20VE Pistons, 86 or 86.5 x 12.5:1 CR.
-Eagle rods
-New OEM head bolts
-New OEM bearings
-8 CW from a DE
-DE Girdle
-Other parts needed would be NEW OEM

Head with be stock w/N1 cams, turbofreak springs and retainers. (Glad I didn't sell these:rolleyes

Got my hands on a LOW(62k) milage lowport DE. The VE(thanks DJ) is running condition w/rod knock. I'm going to find a good machine shop for this build. Plan to get everything balance from crank pulley to flywheel. Just want to get it done right the 1st time and have it be reliable for years to come.

Don't need other input, like headers, exhaust, clutch, ECU etc.. Everything else has been properly chosen/taken care of. Just thoughts for the block, please.

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2009-01-08 17:54:29

#29

STRATTON

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then if hes not gonna touch the head just go with 87mm h.c pistons and call it a day. use stock rods no need for aft. use the 4cw crank, they work fine in stock and semi built ve's.

and then dyno when your all done so we can see what gains one would get from pistons.

stratton.

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2009-01-08 18:29:15

#30

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my apologies, that disclaimer missed me, i guess for all others that are on lookers then they should take note.

sorry

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