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Topic Review (Newest First)
03-25-2014 06:15 PM
Dajerseyrat Not to revive an old thread but I decided to swap out cams on this car. Currently I have:

Lunati custom grind Solid Roller cam
Advertised duration 293/297
Duration@.50 260/264
Gross Valve lift .627/.600 lift
Lobe seperation 107*/104*
comes close to one of their Dirt Track 4000-8000 rpm cams.


I was thinking of this cam for more drivability
Advertised Duration (Int/Exh): 279/285
Duration @ .050 (Int/Exh): 249/255
Gross Valve Lift (Int/Exh): .585/.600
LSA/ICL: 110/106
Valve Lash (Int/Exh): 016/016
RPM Range: 2800-7200


What do you think?

BTW here is the motor in case you forgot.

383 Stroker motor bored out 4.065 (389 stroker)
10033867 Pontiac Motorsports Head (62cc)
Cometic .070 headgasket (11.0:1 compression ratio)
Lunati custom cam with a .627/.606 lift (4000-8000rpms)
293 intake 297 exhaust (advertised duration)
260 intake 264 exhaust at .50 tappet lift
JE custom pistons
A&C rings
Trend pins
CL77 race bearings
Dura Bond cam bearings
Magnum Callies 3.75 crank ($1200)
Manley valve springs
Manley SS valves
Manley titanium retainers
Manley locks
Manley pushrods
B&B poly locks
ARP rocker studs
ARP Stud washers
Crower ALM rockers
07-22-2013 08:16 AM
cobalt327 Hydraulic TOB adjustment is usually done by screwing the bearing in or out to set the gap. Some setups also use shims. In any event, if this is incorrect the TOB piston can bottom out against the retainer before the pedal travel is used up. This will cause hydraulic fluid to leak out around the seal.
07-22-2013 07:54 AM
Dajerseyrat
Quote:
Originally Posted by F-BIRD'88 View Post
Did you clean off all the anti corrosion oil from the new flywheel and clutch pressure plate before installing the clutch.?
lacquer thinner.

Clutch pedal adjustment.
I cleaned the flywheel with brake kleen, but might have forgotten the pressure plate looking back at it now..

Also I have a hydraulic throwout bearing, would that still be a pedal adjustment? Cause I would try that before removing the tranny.
07-21-2013 10:43 PM
F-BIRD'88 Did you clean off all the anti corrosion oil from the new flywheel and clutch pressure plate before installing the clutch.?
lacquer thinner.

Clutch pedal adjustment.
07-21-2013 06:15 PM
Dajerseyrat
Quote:
Originally Posted by F-BIRD'88 View Post
If the oil pan gasket, oil filter, oil cooler hoses, dry sump pump
rear main sear, front seal, timing cover, valve covers, back of the intake, oil pressure gauge sender, oil galley plugs in the back of the block
if any are leaking oil, oil can and will get on the clutch. if the front input shaft seal on the trans is leaking trans oil will get on the clutch.
If I get in there and dont see any oil on the clutch, are there any adjustments to be made that would cause it to slip? Or is there a way to tell if it just will not hold the HP?
07-20-2013 08:46 PM
Dajerseyrat
Quote:
Originally Posted by F-BIRD'88 View Post
If the oil pan gasket, oil filter, oil cooler hoses, dry sump pump
rear main sear, front seal, timing cover, valve covers, back of the intake, oil pressure gauge sender, oil galley plugs in the back of the block
if any are leaking oil, oil can and will get on the clutch. if the front input shaft seal on the trans is leaking trans oil will get on the clutch.
I think I narrowed it down to oil, from the oil filter adapter to the block...Got to get back under there and sort it out before I go any further.
07-20-2013 08:24 PM
F-BIRD'88 If the oil pan gasket, oil filter, oil cooler hoses, dry sump pump
rear main sear, front seal, timing cover, valve covers, back of the intake, oil pressure gauge sender, oil galley plugs in the back of the block
if any are leaking oil, oil can and will get on the clutch. if the front input shaft seal on the trans is leaking trans oil will get on the clutch.
07-20-2013 06:41 PM
Dajerseyrat
Quote:
Originally Posted by vinniekq2 View Post
Its your car,no one online can see it or hear it? If it slips then the clutch has a problem
Yeah, but If it is dry when I go under there what else could it be? Other than the clutch just not holding.
07-20-2013 06:12 PM
vinniekq2 Its your car,no one online can see it or hear it? If it slips then the clutch has a problem
07-20-2013 06:02 PM
Dajerseyrat
Quote:
Originally Posted by vinniekq2 View Post
cleaning oil from a friction surface usually involves brake cleans for the pressure plate and flywheel.and usually a garbage can for the disc.If it was a stock engine I would heat the disc with a torch,careful to avoid the springs.
you can try brakekleens and sandpaper, I wouldnt
Can Oil really get onto the surface from a leak by blowing backwards from the front of the engine?
07-20-2013 05:55 PM
vinniekq2 cleaning oil from a friction surface usually involves brake cleans for the pressure plate and flywheel.and usually a garbage can for the disc.If it was a stock engine I would heat the disc with a torch,careful to avoid the springs.
you can try brakekleens and sandpaper, I wouldnt
07-20-2013 05:49 PM
Dajerseyrat
Quote:
Originally Posted by thinwhiteduke View Post
Post a vid


Duke
Actually gonna pick up a GoPro just for this car..
07-20-2013 05:48 PM
Dajerseyrat
Quote:
Originally Posted by vinniekq2 View Post
550 torque and tire spin? the tires should break loose.
Full Hoosier road racing slicks, 90* outside.
07-20-2013 05:47 PM
Dajerseyrat
Quote:
Originally Posted by cobalt327 View Post
Clutches need to be broken in properly, just like brakes. And adjusted correctly. And no oil, etc. on the friction surfaces from the engine or tranny or even from over lubing the pilot.
I do have s light oil leak Im chasing down...Now that I think about it, oil could be blowing backwards and getting on it.. Im assuming this requires removing the clutch and cleaning the surface really good.

As far as break in, it said no hard launches for 500 miles. I havent launched the car as of yet. This was 3rd gear slippage.
07-20-2013 05:41 PM
cobalt327 Clutches need to be broken in properly, just like brakes. And adjusted correctly. And no oil, etc. on the friction surfaces from the engine or tranny or even from over lubing the pilot.
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