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Old 01-23-2013, 07:34 PM   #1 (permalink)
JSarge
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Where to buy 4 pre cups

Well, i'll be replacing a head on this engine build. One turned up cracked before even sending it to be pressure tested (very visible crack in between the seats, leading into intake seat itself).

Assuming the other head is good, and knowing the replacement head will have diamond pre cups in it, my current precups have circle's. I would much prefer to have matching pre cups.. where can i buy 4 diamond's? I was told 'GMpartsguy' on here, however his last login was july of last year according to his profile.
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Last edited by JSarge; 01-23-2013 at 07:34 PM.
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Old 01-24-2013, 12:46 PM   #2 (permalink)
JSarge
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Anything on on this ladies and gents?
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[ '95 GMC C2500HD SLE 6.5TD 4L80E/G80/3.73 "F" TRIM - Ext Cab/Long Box ] Rebuild Thread: Click Here!
Vac pump del DE 3" down pipe w/ 4" straight pipe exits before axle H/O water pump 195 degree tstat
Manual Boost/Fuel Pres gauges Walbro FRC-10 Lift pump FFM delete Volvo marine water seperator/filter
Bumper mounted FSD Home made TM @ 10 PSI Lube specialists oil line's Rebuilt 506 w/ ARP main studs


[ '88 GMC C3500 DRW SLE 6.5TD TH400/DANA 80/4.10 "F" TRIM - Ext Cab/Long Box ] Rebuild Thread: Click Here!
SOLD

6.5 FAQ L@@K!: Click Here!
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Old 01-24-2013, 06:27 PM   #3 (permalink)
Octane
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i got my heads from a company in florida called clear water heads? or clear water something, they where new heads, SOOO i wonder if a company like them would sell the pre cups or what?, so id go around and try to find companies selling new heads and see if they can get some precups
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1995 Chevy 2500 6.5l Turbo Diesel w/ intake restrictions removed . Diamond eye 4" exhaust straight piped, HX40W-II turbo with a K&N 4" pod ( temporary), ARP head studs & new heads, injectors w/ pop @ 2300 psi, Buddy "3" banger chip, VIN F, Currently running 24# boost-ish
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Old 01-24-2013, 08:11 PM   #4 (permalink)
JSarge
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It's clearwater cylinder head.. or CCH. I'm about 40 minutes from them. They dont supply them, they buy there bare's with precups pre installed.
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[ '95 GMC C2500HD SLE 6.5TD 4L80E/G80/3.73 "F" TRIM - Ext Cab/Long Box ] Rebuild Thread: Click Here!
Vac pump del DE 3" down pipe w/ 4" straight pipe exits before axle H/O water pump 195 degree tstat
Manual Boost/Fuel Pres gauges Walbro FRC-10 Lift pump FFM delete Volvo marine water seperator/filter
Bumper mounted FSD Home made TM @ 10 PSI Lube specialists oil line's Rebuilt 506 w/ ARP main studs


[ '88 GMC C3500 DRW SLE 6.5TD TH400/DANA 80/4.10 "F" TRIM - Ext Cab/Long Box ] Rebuild Thread: Click Here!
SOLD

6.5 FAQ L@@K!: Click Here!
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Old 01-25-2013, 06:38 PM   #5 (permalink)
JSarge
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Well, for further reference .. i found a company that sell's diamond precup's for ~$8 a piece plus ship on ebay. There user name is 'factory_diesel'. Message them, and they will get you what you need. The admin says they will have an ad listed sometime next week for them.

As far as my situation goes, they are useless because the pressure test result's came back, and it looks like im in the market for a pair of heads and not just one ;(

Good day everyone.
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[ '95 GMC C2500HD SLE 6.5TD 4L80E/G80/3.73 "F" TRIM - Ext Cab/Long Box ] Rebuild Thread: Click Here!
Vac pump del DE 3" down pipe w/ 4" straight pipe exits before axle H/O water pump 195 degree tstat
Manual Boost/Fuel Pres gauges Walbro FRC-10 Lift pump FFM delete Volvo marine water seperator/filter
Bumper mounted FSD Home made TM @ 10 PSI Lube specialists oil line's Rebuilt 506 w/ ARP main studs


[ '88 GMC C3500 DRW SLE 6.5TD TH400/DANA 80/4.10 "F" TRIM - Ext Cab/Long Box ] Rebuild Thread: Click Here!
SOLD

6.5 FAQ L@@K!: Click Here!
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Old 01-25-2013, 11:03 PM   #6 (permalink)
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Quote:
Originally Posted by JSarge View Post
Well, for further reference .. i found a company that sell's diamond precup's for ~$8 a piece plus ship on ebay. There user name is 'factory_diesel'. Message them, and they will get you what you need. The admin says they will have an ad listed sometime next week for them.

As far as my situation goes, they are useless because the pressure test result's came back, and it looks like im in the market for a pair of heads and not just one ;(

Good day everyone.
well thats unfortunate, i can tell you so far that their heads seem to be good, i had heads that where donezo, cracked everywhere, leaking compression into intake and straight into the antifreeze, which caused me to loose a radiator and such...,

but yeah their heads are good i'd say, i put arp head studs on and their heads, i run 20-25# boost all the time on my race tune, i just give er shit ha ha, ( i love the sound of the hx40), so far i'd say ive put about 4k km's with the heads and my new setup and no issues so far
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1995 Chevy 2500 6.5l Turbo Diesel w/ intake restrictions removed . Diamond eye 4" exhaust straight piped, HX40W-II turbo with a K&N 4" pod ( temporary), ARP head studs & new heads, injectors w/ pop @ 2300 psi, Buddy "3" banger chip, VIN F, Currently running 24# boost-ish
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Old 01-28-2013, 10:50 AM   #7 (permalink)
roadhog0
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Any news on those precups? At 8 bucks I'm wondering if they're some Chinese knock off stuff. I dont want to put them in my engine till someone knows what they're like because i push some ponnies and cant have my motor down due to bad precups.
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1986 Chevy K20 6.2TD NV4500!! 4.10's (Name: POS Truck)
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Old 01-29-2013, 02:44 AM   #8 (permalink)
JSarge
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Search for that ebay username i posted above and ask them. I dont plan to buy them, i wound up buying a pair of heads from another company. Dont really see them failing if they are china, maybe the design will differ .. not too sure.
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[ '95 GMC C2500HD SLE 6.5TD 4L80E/G80/3.73 "F" TRIM - Ext Cab/Long Box ] Rebuild Thread: Click Here!
Vac pump del DE 3" down pipe w/ 4" straight pipe exits before axle H/O water pump 195 degree tstat
Manual Boost/Fuel Pres gauges Walbro FRC-10 Lift pump FFM delete Volvo marine water seperator/filter
Bumper mounted FSD Home made TM @ 10 PSI Lube specialists oil line's Rebuilt 506 w/ ARP main studs


[ '88 GMC C3500 DRW SLE 6.5TD TH400/DANA 80/4.10 "F" TRIM - Ext Cab/Long Box ] Rebuild Thread: Click Here!
SOLD

6.5 FAQ L@@K!: Click Here!
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Old 01-29-2013, 02:20 PM   #9 (permalink)
roadhog0
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Quote:
Originally Posted by JSarge View Post
Search for that ebay username i posted above and ask them. I dont plan to buy them, i wound up buying a pair of heads from another company. Dont really see them failing if they are china, maybe the design will differ .. not too sure.
I'm afraid of poor metalurgy. I found em on eBay, I'll ask em about the quality of the precups
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1986 Chevy K20 6.2TD NV4500!! 4.10's (Name: POS Truck)
6.2 Turbo Diesel (HX40 CKO), 6.5 Serp, 6.5 Lift Pump, intercooler (to come), more broken or missing parts than you can shake a fist at, balls.
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Old 01-29-2013, 10:09 PM   #10 (permalink)
metallica21156
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i read in another post that the cheaper precups are magnetic and good ones are not.
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