how safe to rev the x14xe to 7200 without arps fitted - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » how safe to rev the x14xe to 7200 without arps fitted

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timmee

Member

Registered: 28th Jul 06
Location: watton, norfolk
User status: Offline

26th Dec 06 at 16:02

Evening peeps just a quick question how safe is it to rev the x14xe to 7200 without the arp bolts fitted some people reckon it's safe some reckon it an't just thought i'd check before giving it the big'un cheers

DaNnY_LaD

Member

Registered: 30th Nov 05
Location: Walkden,Manchester
User status: Offline

26th Dec 06 at 16:14

yeah its safe as the limiter is there for a reason..

But only do it when its warm/Hot and you can only do it every so ofton as it will fuck it up if u do it all the time..

timmee

Member

Registered: 28th Jul 06
Location: watton, norfolk
User status: Offline

26th Dec 06 at 16:18

cheers Danny cool when i take out tomorrow for a blast i can see how much difference the manztel and chip change has really done as i an't been reving past 6500(old rev limit) just in case i killed it

Jake

Member

Registered: 24th Jan 05
User status: Offline

26th Dec 06 at 16:18

the limiter on a standard 14xe is something like 6200/6500 this is why he's asking if it is safe to rev to 7200.

you have to think of cambelt rollers as these can fail with a higher rev range

DaNnY_LaD

Member

Registered: 30th Nov 05
Location: Walkden,Manchester
User status: Offline

26th Dec 06 at 16:23

oright didnt nw u had a manztel ect..

Id be very carefull as jake says as if the belt and vernier pulleys go at high revs ur fucked!

L30 SCT

Member

Registered: 27th Nov 05
Location: aberdeen
User status: Offline

26th Dec 06 at 16:37

i drove mine for a little while without the apr's but i would advice you to get sbd rollers and arp rod bolts. its £100 that could save your engine from falling into pieces.

some people on here have had there rev limit raised for ages and run on standard pulleys and con rod bolts.

timmee

Member

Registered: 28th Jul 06
Location: watton, norfolk
User status: Offline

26th Dec 06 at 21:51

best i get some arp bolts ordered then picked up a new exhaust manifold for it today should help things a bit i'll get it dyno'd after i have fitted the bolts it'll be nice to see how little power it's got

Dave A

USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline

26th Dec 06 at 22:57

teres a very important sequence to follow when fitting ARP's. the bearing caps need drilling and countersinking as well. not a direct fit.

csweatherston

Member

Registered: 16th Jan 06
Location: Devon
User status: Offline

26th Dec 06 at 23:26

er?.......the arp heads arnt tapered..... there flat

Dave A

USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline

26th Dec 06 at 23:53

but under the head theres a 0.5mm taper from the shank of the bolt.

and then theres the 4 stage torquing sequence....

L30 SCT

Member

Registered: 27th Nov 05
Location: aberdeen
User status: Offline

26th Dec 06 at 23:56

is this in the instructions as a garage fitted mine

csweatherston

Member

Registered: 16th Jan 06
Location: Devon
User status: Offline

26th Dec 06 at 23:57

no its not...it tells your the 4 stage sequence tho........

csweatherston

Member

Registered: 16th Jan 06
Location: Devon
User status: Offline

26th Dec 06 at 23:58

funny thing was it didnt tell me the sequence for the head studs

... i used the sequence for standard headbolts and seems to be fine tho

L30 SCT

Member

Registered: 27th Nov 05
Location: aberdeen
User status: Offline

27th Dec 06 at 00:00

i thought you were speaking about con rod bolts

csweatherston

Member

Registered: 16th Jan 06
Location: Devon
User status: Offline

27th Dec 06 at 00:07

first one was yep.....2nd post was headbolts lol

L30 SCT

Member

Registered: 27th Nov 05
Location: aberdeen
User status: Offline

27th Dec 06 at 00:14

you got me confused

matt_aka_smiler

Member

Registered: 7th Dec 05
Location: Stoke-on-Trent Drives: MK4 Astra GSi Turbo
User status: Offline

27th Dec 06 at 01:20

ok im confused :S ive got some arps but do the bearing end caps need drilling & countersinking or can they go straight on?? if so it seems stupid to sell them if something else needs to be done to fit them properly

Dave A

USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
User status: Offline

27th Dec 06 at 01:43

they need to be countersunk and then the bolts torqued up using a 4 stage process.

ARP rod bolts were never designed to go into these engines, it just so happens that they are the right length and thread and stronger so people use them.

if anyone wants I will post up full instructions?

matt_aka_smiler

Member

Registered: 7th Dec 05
Location: Stoke-on-Trent Drives: MK4 Astra GSi Turbo
User status: Offline

27th Dec 06 at 01:53

you get the 4 stage process with the bolts dont you? but i would like to see the full instructions if you have them please Dave

timmee

Member

Registered: 28th Jul 06
Location: watton, norfolk
User status: Offline

27th Dec 06 at 10:59

i have fitted a set before to my mates 1.6 16v engined nova track car and yes you do have to counter sink the bearing caps cheers for all the advice

Robin

Premium Member

Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Online

27th Dec 06 at 19:36

I didnt have ARPs.
I had a 7200rpm rev limit.
I drove my car HARD every day.
It never broke a bolt.

Definitely get some SBD rollers though, they're worth it.

RobHayes

Member

Registered: 6th Sep 03
Location: Lincolnshire
User status: Offline

29th Dec 06 at 12:27

quote:
Originally posted by Robin
I didnt have ARPs.
I had a 7800+rpm rev limit.
I drove my car HARD every day.
It never broke a bolt.

Definitely get some SBD rollers though, they're worth it.

ffls

Member

Registered: 29th May 02
User status: Offline

30th Dec 06 at 15:31

quote:
Originally posted by Robin
I didnt have ARPs.
I had a 7200rpm rev limit.
I drove my car HARD every day.
It never broke a bolt.

Definitely get some SBD rollers though, they're worth it.

But don't get their uprated valve springs because they will destroy your GM cam rollers

And when they sell the valve springs they don't say nothing!!!!!!!!
But you do need new valve springs, after 60k of driving till 7500 rpm tha standard valve springs didn't recover the valves and hitted the nº 4 pistons

Then fitted the uprated SBD valve springs and caps and it destroyed the cambelt Urg-hhhhhhhhhhhhh!

now with new GM valve springs, SBD valve caps and 1 mm C16XE pistons and everything is ok...

ARP bolts??

never broked a conrod bolt

cheers

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