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Search: Posts Made By: mcdonaldm
Forum: Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) 10-27-2014, 05:15 PM
Replies: 5
Views: 414
Posted By mcdonaldm
heat could be a major reason for this. also could...

heat could be a major reason for this. also could be that your timing is not set right and when hot, the engine is harder to turn over. check the timing and make sure the advance mechanism in the...
Forum: Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) 10-08-2014, 06:24 PM
Replies: 4
Views: 446
Posted By mcdonaldm
do you have the cam specs? the stock rocker...

do you have the cam specs?
the stock rocker arms are really only good to about .5 lift, after that then you should be going to roller rockers and new studs and guideplates.


also how are you...
Forum: Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) 10-02-2014, 05:57 PM
Replies: 3
Views: 509
Posted By mcdonaldm
another option to look at is replacing the DOVE...

another option to look at is replacing the DOVE heads with a set of aluminum heads. the DOVE heads while decent heads are the biggest restriction on these motors to making hp. they have very...
Forum: Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) 07-23-2014, 12:49 PM
Replies: 2
Views: 286
Posted By mcdonaldm
did you check the fluid level with the truck...

did you check the fluid level with the truck running in park? sounds like the fluid level is low. if the torque converter was not filled before you installed it, it will take a lot of fluid to refill...
Forum: 1957 - 1960 F100 & Larger F-Series Trucks 03-03-2014, 04:55 PM
Replies: 13
Views: 648
Posted By mcdonaldm
changing the spider gears is a big task as you...

changing the spider gears is a big task as you have split the whole differential case apart to get at them. the easier way is to just swap the ring and pinion onto your existing 28 spline carrier....
Forum: 1957 - 1960 F100 & Larger F-Series Trucks 01-27-2014, 12:13 PM
Replies: 10
Views: 360
Posted By mcdonaldm
the one i took out of my 59 truck is silver faced...

the one i took out of my 59 truck is silver faced and i think it was silver or grey surround. i would have to see if i could find it as i didn't re-use it on my build as i didn't put a heater back...
Forum: 1957 - 1960 F100 & Larger F-Series Trucks 01-23-2014, 01:08 PM
Replies: 37
Views: 2,196
Posted By mcdonaldm
i have a 70 460 in my 60 and am using a rad from...

i have a 70 460 in my 60 and am using a rad from a 460 camper special truck with a/c (4 row core) and a 16" pusher fan mounted in front of the rad and have not had any cooling issues at all even on...
Forum: Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) 11-28-2013, 01:01 PM
Replies: 4
Views: 464
Posted By mcdonaldm
if it was me i would go with an after market...

if it was me i would go with an after market setup. i would get a set of roller rockers, new studs (the non-positive stop style), guide plates and hardened pushrods. it will be a bit more expensive...
Forum: Alberta Chapter 10-23-2013, 06:42 PM
Replies: 5
Views: 368
Posted By mcdonaldm
i didn't buy a truck but i bought my Probe from...

i didn't buy a truck but i bought my Probe from an auction. it has been a great little car so far with just normal maintenece and wear items needing replacement. had it for about 10yrs now. as far as...
Forum: Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) 10-01-2013, 11:11 AM
Replies: 5
Views: 486
Posted By mcdonaldm
easy way to tell an external balance from an...

easy way to tell an external balance from an internal balance is look behind the harmonic dampner. the external balance will have a spacer with what looks like a hatchet on it while the internal...
Forum: Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) 10-01-2013, 11:04 AM
Replies: 11
Views: 780
Posted By mcdonaldm
another option is since you are taking the heads...

another option is since you are taking the heads off anyways, is swap them for the later D3VE heads with the bigger chambers. this will lower your compression into the 9 to 9.5 range and you will get...
Forum: Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) 08-29-2013, 12:50 PM
Replies: 7
Views: 544
Posted By mcdonaldm
there really is no one production block that is...

there really is no one production block that is better then the others.

some of the early blocks did have thicker main webs and pan rails and were used for the 4 bolt main CJ and SCJ blocks (not...
Forum: Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) 08-22-2013, 04:55 PM
Replies: 7
Views: 544
Posted By mcdonaldm
i don't know if they made a 429 marine engine,...

i don't know if they made a 429 marine engine, but they made lots of 460 marine engines which would be the same block as the 429 (only difference between a 429 and 460 is the crank and piston pin...
Forum: Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) 07-03-2013, 01:41 PM
Replies: 3
Views: 488
Posted By mcdonaldm
is it a stock 460 or slightly modified? if so i...

is it a stock 460 or slightly modified? if so i would say 4" is a little overkill for a 460. main thing is it will hurt your low end power. i would stick with either a 2.5 or 3 in single exhaust.
...
Forum: Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460) 06-26-2013, 02:14 PM
Replies: 1
Views: 518
Posted By mcdonaldm
the 351m was by no means a fuel miser engine and...

the 351m was by no means a fuel miser engine and neither is the 460. i would suspect that you will get 1 - 2 mpg less with the 460 compared to the 351, but you would gain a whole lot more hp and...
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