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Discussion Starter #1 (Edited)
Hey guys, so I have taken apart the truck to do some maintenance things. Have everything off down to the lower intake( should have waited to do the turkey pan plug now instead of struggling!! Didn't know I was going to go this far with things)

I have went through the posts here to try and find as many ARP bolt numbers as I could. I do not have a digital caliper ( may end up getting one tomorrow) so I'm going off of what guys have posted in the past. I know Josh, Harley#356 did a write up on a few packages that he purchased and where they go. I was hoping to get most of a list together and get them ordered.

I have a 2.3 Whipple setup, Metco idler pullies and auxiliary idler kit and 4# lower.

Below is a list and pictures of the stock bolts and ARP numbers. Please chime in if something is incorrect or fill in the blanks. I will probably update the stock bolts sizes when I get a caliper to measure them correctly.

Thanks guys!
IMG_20200522_161435_resized_20200522_060902306.jpg
Lower intake: QTY. 9-
Size: M8 1.25X35MM
ARP 771-1004

IMG_20200522_161542_resized_20200522_060902534.jpg
Thermostat housing: QTY.2
Size: M8 1.25 X 90MM
ARP 771-1014


IMG_20200522_161639_resized_20200522_060902895.jpg
Fuel rails: QTY. 4
Size: M6 1.00X 20MM
ARP 770-1016


IMG_20200522_161824_resized_20200522_060903221.jpg IMG_20200522_161850_resized_20200522_060903047.jpg
Accessory and S/c tensioners: QTY. 6 total
Size: M8 1.25X 30MM
ARP 771-1003


IMG_20200522_161955_resized_20200522_060903867.jpg
Idlers: QTY. 4
Size: M8 1.25X 25MM
ARP 771-1002
WASHERS: M8
ARP 200-8642



IMG_20200522_162123_resized_20200522_060904015.jpg
Idler bridge: QTY. 1 bolt
Size: M8 1.25X 30MM
ARP 771-1003


IMG_20200522_161609_resized_20200522_060902729.jpg
Coil packs: QTY. 8
Size: M5 .90X 25MM
ARP (NO M5)


IMG_20200522_161708_resized_20200522_060903611.jpg
Mid plate for a 2.3 Whipple: QTY. 12
Size: M10 1.50X 50MM
ARP 772-1007



2nd post coming.
 

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Discussion Starter #2 (Edited)
ARP bolts cont. and Gaskets:

IMG_20200522_162127_resized_20200522_060904186.jpg
Idler bridge: QTY. 3 nuts
Size: M8 1.25
ARP 400-8311
Idler bridge: QTY. 1 screw (change to bolt)
Size: M8 1.25X 25MM 771-1002



IMG_20200522_190757_resized_20200522_071041745.jpg
Throttle body: QTY. 2 nuts
Size: M6 1.00
ARP 400-8380
Throttle body: QTY. 2 bolts
Size: M6 1.00X 30MM
ARP 770-1003
Throttle body bracket: QTY. 2 long bolts w/ nuts
stock size: M6
ARP Could not find


IMG_20200522_190832_resized_20200522_071041899.jpg
Whipple S/C to mid plate: QTY. 4 bolts
Size: M8 1.25X 25MM
ARP 771-1002


IMG_20200522_162219_resized_20200522_060904374.jpg
Alternator bracket bolts?
Size: M6 1.00X 20MM
ARP 770-1001



538809

Metco lower 4# pulley bolts: Mine are all rusted and ive heard not so good stories so I want to replace them. I believe there are 6. SIZE??

IMG_20200522_190837_resized_20200522_071042121.jpg
Lower intake gasket set:
item #LTP-94140
From LMR. Not sure why theirs are red gaskets over the blue from factory?

IMG_20200522_190840_resized_20200522_071042287.jpg
Mid plate to lower intake Gasket:
Item #LTP-9461BA
MPN# 1L3Z9461BA
From LMR

IMG_20200522_190911_resized_20200522_071041391.jpg
Intercooler to mid plate gasket:
Item #LTP-9436AA
MPN# L3Z9M436AA
From LMR.

Intercooler bolts: QTY. 11
Size: M5 0.09X15MM
ARP NO M5 FOR 12PT


IMG_20200522_190940_resized_20200522_071041189.jpg

Whipple 2.3 to mid plate gasket:
Might have to contact whipple for this gasket.

IMG_20200522_191008_resized_20200522_071040969.jpg
Bypass actuator Whipple: QTY. 4bolts
Size: M6 1.00X 20MM
ARP 770-1001


Found what I could. If there's a mistake or something that needs to be changed, let me know. Ill update. I used a digital caliper that I picked up. If your unsure of the measurements maybe you should do the same and measure them yourself for peace of mind.

Thanks again,
 

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Well you’re definitely gonna have some money involved in the bolts ! As far as the gasket for the Whipple we always use ultra seal Silicone no gasket
 

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Discussion Starter #4
Well you’re definitely gonna have some money involved in the bolts ! As far as the gasket for the Whipple we always use ultra seal Silicone no gasket
Yah I found that out haha. Just going to get the ones I really want to replace. Lower intake, midplate and a few other ones. Will go all out on ARP bolts when I do a built engine.

And thanks for the tip about the Whipple gasket!
 
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