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Ew1 Head Bolts

Started by GLHS988, Jun 09 2017 09:21 PM

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9 replies to this topic

#1
GLHS988

Posted 09 June 2017 - 09:21 PM

Spyder-Man

Group: 2010 Contributing Member

Location:Northern Wackyfornia
Drives: 1984 CRX Spyder, 1987 Shelby GLHS, 1989 Shelby CSX-VNT

Hi all. Need some help. I need new cylinder head bolts for a EW1. What is the correct Honda part number? Are they still available? Thanks for your help.

Warren

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#2
gryffinwings

Posted 09 June 2017 - 11:57 PM

Slowpoke

Group: Members

Location:San Diego
Drives: 1987 Honda CRX Si

Check rockauto.com they should have them.

#3
GLHS988

Posted 10 June 2017 - 12:08 AM

Spyder-Man

Group: 2010 Contributing Member

Location:Northern Wackyfornia
Drives: 1984 CRX Spyder, 1987 Shelby GLHS, 1989 Shelby CSX-VNT

Check rockauto.com they should have them.

Thanks for the suggestion, but I already checked RA. Could not find any listed. Would like to use OEM if possible anyway.

#4
GLHS988

Posted 10 June 2017 - 12:17 AM

Spyder-Man

Group: 2010 Contributing Member

Location:Northern Wackyfornia
Drives: 1984 CRX Spyder, 1987 Shelby GLHS, 1989 Shelby CSX-VNT

I found a possible part number: 90006-PE0-003. Could somebody help to verify this? I think I remember there being 7 bolts from a previous tear down of another EW1.

#5
Sinub

Posted 10 June 2017 - 02:42 AM

In the left lane

Group: 2016 Contributor

Location:Orange County, CA
Drives: 2012 Civic Si, 1987 Crx Si

View Garage

Bolts are no longer available. I re-used mine and so have many others. Just clean the threads and holes very well. Check if threading is still within specs. Only available replacement art ARP bolts and HeelToeAuto carries them for our cars.

#6
GeezRX

Posted 10 June 2017 - 12:01 PM

In the left lane

Group: 2016 Contributor

Location:Beggs, Oklahoma
Drives: Only loaners at the present time!

View Garage

Racers on here have said reuse OEM ones if you have them. If you want to go the ARP route an old post from here stated that you would need 3 - AM5.700-1B short bolts, 7 - AM6.100-1LB long bolts, 300-8363 nuts and 200-8689 washers

"Old and usually in the way" - Check out my '86 3G build in "VIEW GARAGE"

#7
rallyxcrx

Posted 10 June 2017 - 12:40 PM

Slowpoke

Group: Members

Location:oakland ca
Drives: 87 crx

You could magnaflux your head bolts and studs if you are worried about a failure. I haven't had any head bolt failures in several rebuilt engines. Dave

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#8
shuttlecraft

Posted 10 June 2017 - 03:09 PM

Shuttlecraft

Group: Members

Location:Portland Or
Drives: 86 wagon fwd

It's been years since I replaced my original (stretched) bolts with a new ARPs and after having the head on an off the engine these ARPs are still holding strong and maintaining their elasticity. I would recommend that you order them through your local engine machine shop. They'll get the correct stud and bolt kit for your car. Besides, if they don't, it will be their issue to get right, not yours.