| [ Total Views: 1117 | Total Replies: 12 | Thread Id: 88454 ] |
|
|
 1916baja
Custom Title Time!
Posts: 1990
Threads: 176
Registered: September 20th, 2007
Member Is Offline
Location: Brisbane - Mt Gravatt
Theme: UltimaBB Pro Blue ( Default )
|
| posted on February 1st, 2011 at 06:06 AM |
|
|
Compression
Hey guys, sorry about all the questions....
Just wondering where the compression should be set for a fairly mild 2276 drag motor. these are the specs.
REBUILT unleaded heads
silicone bronze guides
42mm intake valves and 37.5mm exhaust valves
3 angle valve grind on intake and exhaust seats WITH a s.i blend
solid shaft rockers
chromolly push rods
94mm pistons and cylinders
NEW rings
NEW wrist pins and clips
8 brand new push rod tubes
forged chromoly 82mm crankshaft 8 doweled
REBUILT and balanced set of German connecting rods
Resurfaced and balanced flywheel 8 doweled and lightened to 12.5lbs
chromolly gland nut
Hi Performance cam with .390 lift and 298 duration (i have been told the he puts in a 110 cam but am seeing if he'll use a 130 or so instead.)
Brand new hi volume Oil pump
8 Rebuilt lifters
All gaskets and seals brand new through out the longblock
New double lipped Silicone rear main seal
BRAND new main rod and cam bearings
REBUILT case with case savors, alignbored, realigned cam journal and stroker relieved
thanks
Mick.
 |
|
|
SuperOwen
Fahrvergnugen
Posts: 868
Threads: 67
Registered: January 18th, 2009
Member Is Offline
Theme: UltimaBB Pro Blue ( Default )
|
| posted on February 1st, 2011 at 07:38 AM |
|
|
You have to decide what camshaft and fuel your using, more cam duration and better fuel means more comp can be run.
|
|
|
Craig Torrens
A.k.a.: Craig Torrens
Scirocco Rare
6 times Australian, 7 times State Hillclimb Class Champion
Posts: 8040
Threads: 347
Registered: January 10th, 2003
Member Is Offline
Location: Sydney
Theme: UltimaBB Pro Blue ( Default )
Mood: Time to go Salt lake racing, and actually achieve a result.
|
| posted on February 1st, 2011 at 07:57 AM |
|
|
you refer to "he" so I'm assuming you have someone building this motor for you ?
|
|
|
 matberry
Super Moderator
Go hard or go home
Posts: 8114
Threads: 134
Registered: March 7th, 2006
Member Is Offline
Location: Cooroy Qld
Theme: UltimaBB Pro Blue
Mood: enjoying waving at all my Kombi buddies from my T3
|
| posted on February 1st, 2011 at 07:59 AM |
|
|
Yep, cam, deck and head cc's required for this decision to be meaningful. (technically flow figures of heads too)
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
 |
|
|
dragvw2180
Officially Full-On Dubber
Posts: 393
Threads: 33
Registered: May 27th, 2006
Member Is Offline
Location: North Carolina,usa
Theme: UltimaBB Pro Blue
|
| posted on February 1st, 2011 at 09:24 AM |
|
|
Wedgemate the crank
|
|
|
fish26
A.k.a.: benito
Fahrvergnugen
Posts: 903
Threads: 38
Registered: July 13th, 2007
Member Is Offline
Location: sydney
Theme: UltimaBB Pro Grey
Mood: Ken awesome
|
| posted on February 9th, 2011 at 05:04 PM |
|
|
that 298* .390" lift sounds like fk-8, not a bad cam with the right heads and 1.4 rockers, like mentioned before make sure you know all the relevant
specs as well as cam duration @.050, good luck with the build show us some photos of the heads, there's a lot of HP hidden in there.
bitten by the bug..........several times
|
|
|
 vw54
Super Administrator
Always Waiting 4 Friday
Posts: 16723
Threads: 378
Registered: August 26th, 2002
Member Is Offline
Location: Sunny Sydney
Theme: UltimaBB Pro Blue ( Default )
Mood: Oval resto ongoing
|
| posted on February 9th, 2011 at 05:10 PM |
|
|
how fast and reliable do u want to go ???
|
|
|
1916baja
Custom Title Time!
Posts: 1990
Threads: 176
Registered: September 20th, 2007
Member Is Offline
Location: Brisbane - Mt Gravatt
Theme: UltimaBB Pro Blue ( Default )
|
| posted on February 9th, 2011 at 09:08 PM |
|
|
Looks like that engine fell through at this stage, it is actually a longblock. pricewise it was too good to be true. I'm still on the look out.
|
|
|
Craig Torrens
A.k.a.: Craig Torrens
Scirocco Rare
6 times Australian, 7 times State Hillclimb Class Champion
Posts: 8040
Threads: 347
Registered: January 10th, 2003
Member Is Offline
Location: Sydney
Theme: UltimaBB Pro Blue ( Default )
Mood: Time to go Salt lake racing, and actually achieve a result.
|
| posted on February 9th, 2011 at 10:51 PM |
|
|
| Quote: | Originally
posted by 1916baja
. pricewise it was too good to be true.
|
Cheap performance motors = BANG !
|
|
|
matberry
Super Moderator
Go hard or go home
Posts: 8114
Threads: 134
Registered: March 7th, 2006
Member Is Offline
Location: Cooroy Qld
Theme: UltimaBB Pro Blue
Mood: enjoying waving at all my Kombi buddies from my T3
|
| posted on February 9th, 2011 at 11:01 PM |
|
|
Cheap performance motors = cheap parts.....maybe?>*&^%$#%^???????????????????????? Too many questions!!
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
|
|
|
fish26
A.k.a.: benito
Fahrvergnugen
Posts: 903
Threads: 38
Registered: July 13th, 2007
Member Is Offline
Location: sydney
Theme: UltimaBB Pro Grey
Mood: Ken awesome
|
| posted on February 10th, 2011 at 09:34 AM |
|
|
| Quote: | Originally
posted by Craig Torrens
| Quote: | Originally
posted by 1916baja
. pricewise it was too good to be true.
|
Cheap performance motors = BANG !
|
LOL sooooo true,
unless you build it yourself and know what you're doing.
bitten by the bug..........several times
|
|
|
westi
Custom Title Time!
what the
Posts: 1610
Threads: 28
Registered: August 30th, 2005
Member Is Offline
Location: milperra
Theme: UltimaBB Pro Blue
Mood: not blue, pink
|
| posted on February 13th, 2011 at 06:16 AM |
|
|
yes and no boy's.
china crank still kickin in the junka,same goes for the rod's ,pistons.heads well there still on..
it were up to me i would buy a kit from cb performance.and get someone with some intellegence to but it together.
down sharon.
 |
|
|
matberry
Super Moderator
Go hard or go home
Posts: 8114
Threads: 134
Registered: March 7th, 2006
Member Is Offline
Location: Cooroy Qld
Theme: UltimaBB Pro Blue
Mood: enjoying waving at all my Kombi buddies from my T3
|
| posted on February 13th, 2011 at 08:23 AM |
|
|
Yeah, some China bits are fine....... but you do need to check EVERYTHING.
A 2442 build I have on at the moment is using a few top of the line Chinese and this is what we have to fix.
2x rods have the little end bush set with .010" out of true with the crank meanining the pin and piston are .010" crooked in the bore also making
the deck ht .010 out pin side to pin side
Out of the two other straight rods one is .003" shorter than the other
To fix this 3 rods get new pin bushes, no biggy
The pistons also look nice, good finish, very light low drag construction, just one has the pin height .005" higher than the rest, probably swarf or
something in the machine when it was made... no biggy, just machine .005" off the other three pistons......
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
|
|
|
