nid help from sifoo n ppl who experience it b4......my car is a saga 4g13 12valve,i juz install in a hi cam...bought it 2nd hand previous owner say it was a australia cam...RPW i think....after installing it,my car can only rev up till 5.5k rpm then it cut off....but my car is a carby>>/if i install in 1 adj cam pulley,wil it solve tis prob??n how do i nid 2 set the cam pulley?advance or retard??plsss help.....
question abt Hi-Cam on 4g13....nid help!!!!
- Thread starter nician
- Start date
usually they will set it retard 4 degrees.... but power delivery at what rpm band can be adjusted according to ur preference... ask ur mech to tune it correctly... if not, look for reputated tuner to do it...
Bro...installing adjustable campulley is a must if u are using racing cams since it will fine tune the cams. This is why your max rev is 5.5k. You also should ask for the cam lifting degree from the owner.
Advance or retard depends to your powerbands. Better test for each degree to obtain the best setting. Do not set to high or too low. Usually 4 degrees is the max.
Hope this helps...good luck!
skywalker:
usually it set at 4deg retard....means the power band comes at which RPM?now i can feel my car at highway...4k rpm onwards can feel like the car very easy 2 reach top speed....but it start 2 cut off at 5.5k rpm then it mati terus at 6k rpm....plss guide me>>/
usually it set at 4deg retard....means the power band comes at which RPM?now i can feel my car at highway...4k rpm onwards can feel like the car very easy 2 reach top speed....but it start 2 cut off at 5.5k rpm then it mati terus at 6k rpm....plss guide me>>/
khoyos:
4 ur info i m stil running wif stock 12v carb...wen tis prob happen...i edy change so many stock carb,but it stil happens the same prob>>/
4 ur info i m stil running wif stock 12v carb...wen tis prob happen...i edy change so many stock carb,but it stil happens the same prob>>/
hayabuza:
i m not sure watz the lift of tis cam..but duration i think is 272...my car at highway after 4krpm can feel very easy 2 reach top speed...but it cut at5.5k rpm n totally stop moving at 6k rpm....tis cam the distributor timing i set at 10deg btdc...if i set it below 10deg it cant idle,but 10deg oso the idling not stable...but suprisingly tis cam i set the distributor timng at 15deg btdc or turn the distributor advance max my engine oso no knocking...
now sementara i havent get the adj cam pulley.....i juz fix back my stock cam but can set timing max is 12deg btdc...if more it got knocking edy but now wif the stock cam,it can rev up till 7-8k rpm without any cut off...
plsss guide me.....
i m not sure watz the lift of tis cam..but duration i think is 272...my car at highway after 4krpm can feel very easy 2 reach top speed...but it cut at5.5k rpm n totally stop moving at 6k rpm....tis cam the distributor timing i set at 10deg btdc...if i set it below 10deg it cant idle,but 10deg oso the idling not stable...but suprisingly tis cam i set the distributor timng at 15deg btdc or turn the distributor advance max my engine oso no knocking...
now sementara i havent get the adj cam pulley.....i juz fix back my stock cam but can set timing max is 12deg btdc...if more it got knocking edy but now wif the stock cam,it can rev up till 7-8k rpm without any cut off...
plsss guide me.....
err.... i also not sure la bro... but i'm gonna install mine soon... i'll feedback to u whats my experience and settings k.....
alrite, no problem.... but my cams are lower grade ones... pipercams reprofiled.... so, performance wont be as good as matspeed, RPW, or even powerzone....
- Aug 6, 2004
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I doubt it's 272 degrees as there's a significant idling problem when set to neutral/normal idling. You might have to pike-up your idle timing a little & adjust the retard/advance.
I don't use a high cam, but this is what I could digest from your description.
Oh, as for the cut-off, try using bigger jettings (1.6 should be a good start) .
I don't use a high cam, but this is what I could digest from your description.
Oh, as for the cut-off, try using bigger jettings (1.6 should be a good start) .
installed mine today... at first after installing, without adjusting the campulley yet, my mech claim the power only comes at 5.5k rpm... den tried adjusting the campulley and valve clearance over n over again... power now comes in at about 3k rpm, ends at about 6.5k-7k rpm....
overall, satisfied with where the powerband is... but disappointing thing is i cant feel much ummph when the powerband kicks in... i only can see rpm revs up pretty fast past 3k rpm.....
my engine still standard 1.3L.... cylinder head not ported/polished... only changed to weber dgv carburetor....
overall, satisfied with where the powerband is... but disappointing thing is i cant feel much ummph when the powerband kicks in... i only can see rpm revs up pretty fast past 3k rpm.....
my engine still standard 1.3L.... cylinder head not ported/polished... only changed to weber dgv carburetor....
Guys, before you install your cams, please don't think that camshafts will make a very big difference to your engine.. It won't.
At most you can rev higher easier only.. How much bhp it adds, lol i dunno lah. But all I can say is, don't expect much difference like your car suddenly can feel the geeeees when revving or something. It will still be a 4G13. Easily tapau-ed by a modified 4G15.
At most you can rev higher easier only.. How much bhp it adds, lol i dunno lah. But all I can say is, don't expect much difference like your car suddenly can feel the geeeees when revving or something. It will still be a 4G13. Easily tapau-ed by a modified 4G15.
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