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> Dyno Cams 275 Grind for 13HP Honda GX390
Dyno Cams 275 Grind for 13HP Honda GX390
Dyno Cams 275 Grind for 13HP Honda GX390
Also works on 8HP 301cc Predator
Part Number:
275-GX390
Manufacturer's Part Number:
Dyno Cams 275-GX390
Availability:
In Stock
Location:
0100.03.01,
;
4
Review(s)
5
/
5
stars
Price
Your Price:
$140.95
Quantity
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Description
Customer Reviews
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This cam is used in mild modified applications. It will require an upgraded spring package, billet rod, and billet flywheel.
The lobes are welded to increase durability, extending the life of this cam.
Product Specs:
Engine: 390cc OHV Clone 13HP or 301cc Predator Engine 8HP
Recommended Class: Modified
Target (MAX) RPM: 6500
Spring Pressure (In / Ex): 32 lbs Single Spring
Valve Lash (In/Ex): .003"
Ignition Timing:
93 Octane 28 Deg BTDC
110 Octane 32 Deg BTDC
Methanol 36 Deg BTDC
Compression Ratio:10.2 to 1
Grind Number : 275
Recommended Class: GX-390 Mild Modified
Valve Timing
Intake
Exhaust
Open
50 BTDC
88.5 BBDC
Close
88 ABDC
50.0 ATDC
Lift
.276
.276
C/L
108 ATDC
110 BTDC
Valve Lash
.003
.003
Check lash when engine is cold
Did you find this helpful?
Reviewed by:
Erica Zimmerman
on 3/8/2020
5
/
5
Did you find this helpful?
Reviewed by:
Heather Wang
on 10/4/2019
5
/
5
Did you find this helpful?
Reviewed by:
Todd Berger
on 3/21/2019
5
/
5
Did you find this helpful?
Reviewed by:
Vanessa Potter
on 1/15/2019
5
/
5
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