1.8 KR with ABF cams anyone?

Has anyone got any proven data from switching from KR cams to ABF cams (without mixing inlet/exhaust) in an otherwise std 1.8 KR engine with WUR set?

I've read near every post on ABF cams and it all seems like conflicting info with seat of the pants evaluation and no back to back dyno info.

Will be looking into this when I get back from hols as it's been suggested to me the ABF's will perform well with a mild port.

TIA

 

ok, maybe back to back dyno plots was a tall ask.

Has anyone any experience on using ABF cams in a KR? And would there be any issues with the higher lift?

 

ABF cams rule, plus i have some for sale if you want them?? lol

 

Don't think the lift will be an issue - you can buy aftermarket cams with higher lift. I saw a post from Toyotec suggesting that ABF cams would work better in a KJet car than the KR ones. I'd tend to back his judgement.

 

abf vs kr cams.... kr has a touch more duration, abf has more lift

its much of a muchness innit

 

ABF has a lot more lift on the inlet side (10.8 vs 9.6mm?)

 

ABF Cams:

Intake Cam: Duration 219 deg @ 1mm, 10.8mm maximum valve lift

Exhaust Cam: 220 deg @ 1mm, also 10.8mm maximum valve lift

Versus KR cams:

Intake: Duration: 218 @ 1mm, 9.6mm lift

Exhaust: Duration: 226 @ 1mm, 10.21mm lift

 

I'd like to try this but my friend has suggested a mild port and slight skim to increase the static CR a bit. More than I'd like to spend right now but it will be done before xmas.

 

Go for it... and get a proper head done when you can afford it

 

Well the ABF cams are here, did a RR session a few months ago with the stock KR cams, timing was a bit too far advanced at the time so figs weren't what I expected with having the WUR done. Will hopefully get the sticks in over xmas and get back on the rollers in the new year.

 

I heard having inlet cam changed to a exhaust cam, works wonders

 

When do you hope to have this done Phil?

 

Good question mate. The only thing stopping me doing it myself is my problem with inertia, that and a smaller torque wrench that will do the baring caps to 20Nm. Will have it done in Jan and on the rollers soon after.

 

looking at those stats on the cams surely an ABF inlet cam and a KR exhaust would be a good mix? with a port and polished head - 350 exchange from www.cncheads.co.uk should make for a nice bit of extra go

 

Halfords professional 3/8 torque wrench won the recent group test in "Car Mechanic", and can go down to something really low like 8Nm, or whatever.

 

thats the Exchange surcharge for the head , the heads are 750+vat +100+vat to hand finish the ports

 

If you keep getting your hand bitten by stray dogs you'll never get them fitted...

 

It's healing well.

Everyone wanted to know if the dog was ok.

 

Here mate I'm in Belfast, If your looking that thing ported
I have some bits a good drill and a torque wrench from makro
Get me a manual for it and I will even fit the sucker
She will fly boy

Work done in a shed in east B

 

Don't trust that fella, he's been in my garage and thrown my tools everywhere. Then went into my immaculate kitchen and messed it all up.