timmee
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Registered: 28th Jul 06
Location: watton, norfolk
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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
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DaNnY_LaD
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Registered: 30th Nov 05
Location: Walkden,Manchester
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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..
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timmee
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Registered: 28th Jul 06
Location: watton, norfolk
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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
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Jake
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Registered: 24th Jan 05
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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
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DaNnY_LaD
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Registered: 30th Nov 05
Location: Walkden,Manchester
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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!
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L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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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.
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timmee
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Registered: 28th Jul 06
Location: watton, norfolk
User status: Offline
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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
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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teres a very important sequence to follow when fitting ARP's. the bearing caps need drilling and countersinking as well. not a direct fit.
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csweatherston
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Registered: 16th Jan 06
Location: Devon
User status: Offline
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er?.......the arp heads arnt tapered..... there flat
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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but under the head theres a 0.5mm taper from the shank of the bolt.
and then theres the 4 stage torquing sequence....
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L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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is this in the instructions as a garage fitted mine
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csweatherston
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Registered: 16th Jan 06
Location: Devon
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no its not...it tells your the 4 stage sequence tho........
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csweatherston
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Registered: 16th Jan 06
Location: Devon
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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
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L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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i thought you were speaking about con rod bolts
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csweatherston
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Registered: 16th Jan 06
Location: Devon
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first one was yep.....2nd post was headbolts lol
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L30 SCT
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Registered: 27th Nov 05
Location: aberdeen
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 you got me confused
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matt_aka_smiler
Member
Registered: 7th Dec 05
Location: Stoke-on-Trent Drives: MK4 Astra GSi Turbo
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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
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
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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?
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matt_aka_smiler
Member
Registered: 7th Dec 05
Location: Stoke-on-Trent Drives: MK4 Astra GSi Turbo
User status: Offline
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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 
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timmee
Member
Registered: 28th Jul 06
Location: watton, norfolk
User status: Offline
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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
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Robin
Premium Member
Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
User status: Offline
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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.
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RobHayes
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Registered: 6th Sep 03
Location: Lincolnshire
User status: Offline
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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.
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ffls
Member
Registered: 29th May 02
User status: Offline
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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 nş 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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