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sb edelbrock head ? #79039 06/24/08 07:06 AM 06/24/08 07:06 AM
Joined: Nov 2004 Posts: 892 USA K krw71ragtop OP super stock
krw71ragtop OP super stock K Joined: Nov 2004 Posts: 892 USA	what is the torque specs for edelbrock heads with ARP bolts ? The ARP bolt package says 75 ft lbs with assembly lube. Edelbrock instructions say 45-65-95.

Re: sb edelbrock head ? [Re: krw71ragtop] #79040 06/24/08 10:55 AM 06/24/08 10:55 AM
Joined: Apr 2007 Posts: 1,261 ILL mark7171 pro stock
mark7171 pro stock Joined: Apr 2007 Posts: 1,261 ILL	my addvice is to use the grade 8 hardware and follow edelbrock specs. arp is fine, the strech is different to keep it tight. i would contact both companies and compare notes. investigate discrepancies.

Re: sb edelbrock head ? [Re: krw71ragtop] #79041 06/24/08 02:10 PM 06/24/08 02:10 PM
Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central RobX4406 I Live Here
RobX4406 I Live Here Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central	Call ARP if you are unsure. This is more about bolt characteristics than the head itself. Do the instructions require a different torque spec for another style head, aluminum vs. iron? If not, I'd tend to lean towards the ARP spec as they designed, manufactured and tested the product. Edelbrock has no idea regarding your ARP bolt characteristics. and for the "But you ain't got no legs, Lieutenant Dan." crowd. He's already identified a discrepancy. Might that be the reason for the question.

Re: sb edelbrock head ? [Re: RobX4406] #79042 06/24/08 02:46 PM 06/24/08 02:46 PM
Joined: Jan 2003 Posts: 11,708 Portage,michigan B B3422W5 I Live Here
B3422W5 I Live Here B Joined: Jan 2003 Posts: 11,708 Portage,michigan	I have used the above eddie specs before, they look right on. 69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight 418 BPE factory replacement headed stroker, 565 lift solid cam Best so far, 10.40 @127 1/4 1.41 best 60 foot 6.60 at 103.90 1/8

Re: sb edelbrock head ? [Re: RobX4406] #79043 06/24/08 07:58 PM 06/24/08 07:58 PM
Joined: Nov 2004 Posts: 892 USA K krw71ragtop OP super stock
krw71ragtop OP super stock K Joined: Nov 2004 Posts: 892 USA	Quote: Call ARP if you are unsure. This is more about bolt characteristics than the head itself. Do the instructions require a different torque spec for another style head, aluminum vs. iron? If not, I'd tend to lean towards the ARP spec as they designed, manufactured and tested the product. Edelbrock has no idea regarding your ARP bolt characteristics. and for the "But you ain't got no legs, Lieutenant Dan." crowd. He's already identified a discrepancy. Might that be the reason for the question. ARP indtructions: Preload (torque recommendations: [A] Torque values are based on 75% of the fasteners yeild strenght. Use the manufacturers torque sequence but do not use the engine manufacturers torque specs. Torque the bolts to 85 ft lbs for ARP MOLY ASSEMBLY Lubricant (or ARP thread sealer) or torque to 130 ft lbs with 30wt motor oil. B] Due to the heat expansion rate of ALUMINUM, it is recommended that the torque should be 75 ft lbs with ARP moly assembly lubricant (or arp thread sealer). I e-mailed Edelbrock this morning but havent gotton a response.

Re: sb edelbrock head ? [Re: krw71ragtop] #79044 06/24/08 09:39 PM 06/24/08 09:39 PM
A Anonymous Unregistered
Anonymous Unregistered A	I torqued mine w/arp lube to 75lb, that was 4 years ago. So far so good.

Re: sb edelbrock head ? #79045 06/24/08 10:16 PM 06/24/08 10:16 PM
Joined: Nov 2004 Posts: 892 USA K krw71ragtop OP super stock
krw71ragtop OP super stock K Joined: Nov 2004 Posts: 892 USA	Well that gives me some verifivation that 75 ft lbs will work. Thanks Anyone else do 75 ft lbs ?

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